Pontiac 6x Heads.
Camshaft selection, degreeing, and valvetrain gear is thoroughly explored and made simple to understand. However, Pontiac made two different 6X heads in '77. favorite this post Jun 3 GM fwd TRANSMISSION Buick Pontiac $200 (mil > Waukesha) pic hide this posting restore restore this posting. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. Comes with starter, alternator, cooling fan, all mounting brackets and pulleys ready to install $1200. There is a 40. Free shipping. 7K3 heads have "4" manifold bolt holes and bosses for drilling and machining for the other two, which most guys into performance using RA3 manifolds or headers drill and tap. favorite this post May 25. 1:1 Horsepower @ RPM: 220 @ 4,000 Torque @ RPM: 320-lb. These heads are shipped UPS shrinkwrapped and sprayfoamed into dimensional lumber crates. Like all PONTIAC engines since , the firing order sets is: , all by turning it counterclockwise. PONTIAC HEADS 4X, 6X, 6H $125 (HOUSTON) hide this posting restore restore this posting. Preparation: Hot tanked, magnetic particle inspected for cracks, and shot blasted. Floating pin h-beam rods, roller lifters, roller cam 243 Int 252 Exh @ 050, 502 502 lift with 1. 1965 Pontiac GTO. GM FoMoCo MOPAR Gaskets Ignition & Small Electrical Items Light Bulbs Owner's Manuals Seals Spark Plugs Thermostats & Oil Filters Wheels, Fender Skirts, and Hubcaps. Pontiac 350 cu inch engine rebuilt with new rings bearings camshaft lifters, has 6X heads Edlebrock inlet manifold holly double pumper carb locking valve adjusters. 6 compression ratio. With a 3:42 posi-traction rear end, this car was reconfigured to go fast. 15,791 miles. The only difference between the two (or possible three) versions is chamber size. Valve jobbed and sonic cleaned with a fresh skim on the decks. 6X heads won't work as well as # 7K3 or # 64 because even the 6X 400 heads only have 101CC which are too low compression. Crankshaft Coalition Wiki -- hot rod tech articles. Free shipping. WS4 and WS6 performance package. Part Number: EDL-60599. favorite this post Jun 1 Pontiac 455 fresh short block buttler $2,800 (nsh > Nashville) pic hide this posting restore restore this posting. Stock heads / stock valvesflowed @ 28" H2O. do NOT contact me with unsolicited services or offers. 6L - 400ci - V8Description: 73-79 Pontiac 6. favorite this post Jun 2 1967 Pontiac Bonneville Convertible parts $0 (mil > Menomonee falls) pic hide this posting restore restore this posting. Right now the heads on there are 6x-8, but I also have a set of "46" from a '73 pontiac 350. The '68 heads used the larger plugs with washers. They have 87cc combustion chambers designed. 470 look appropriate. 030 over bore and heads cut. Most all the normal Pontiac heads flowed about 195 - 200 cfm ( except the RAM AIR with round port exhaust), the 6x will come in around 210-215 cfm @. Local pick up only. Pontiac fans know we have something special here: Z VIN code, Pontiac's 400 4BBL W72 version, 4-speed, with air conditioning. This process is made easier since the majority of Pontiac cylinder heads have the casting number, or a portion of it, on the outside of the head (as opposed to under the valve cover like many other makes). he nearly plagerized the Flow Bench Fallacies article in his Pontiac Enthusiast. In Pontiac gearhead lingo they are 6X-4 or 6X-8 heads. Compression Ratio: 9. You may have to register before you can post: click the register link above to proceed. block#481988,500557, head#46, 4X, 6X, 5C,4H farmer head ;) crank#2 1/2" centering ring $2,290 $500. 00 – $ 3,200. They have 87cc combustion chambers designed. 05-04-2007, 02:01 PM. 57 + head cc (assuming 6cc for valve relief, 9. favorite this post Jun 6 2003 Pontiac Vibe $1 (fay > Rockingham) pic hide this posting restore restore this posting. The price for crating each head is $20 USD The valves and other parts if included are shipped in a separate parcel. Pontiac 6X-4 Cylinder Heads $250 (chi > Cedar Lake Indiana) pic hide this posting restore restore this posting. 15,791 miles. 6X heads, swap in some swirl polished valves, basic polish job and 3 to 5 angle valve job and matched ports and a Pontiac can push well over 500 lb ft of torque, MUCH more useful over 500 HP. Re: Pontiac 6X heads and cam suggestions. The date code is 4 digits. favorite this post May 26 TOW BIG TIRES OR HP 7004R 4L60E 4L65E 4L70E. favorite this post Jun 1 1973-1975 Grand Prix Regal Skylark Cutlass Bucket Seats A & G Body. Part Number: EDL-61579. Some will notice these heads were o-ringed. 10045427 — Pontiac Super Duty Cylinder Head (Large Port) 1965-90 Pontiac Motorsports' aluminum cylinder heads for big-block V8s have high-flow 460cc intake runners which are raised and relocated to enhance airflow. Valve Diameters: 1. These engines make are excellent for both street & strip, they can be driven everyday and. Re: Pontiac 6X-head problem. Dual over head cam Pontiac V-8 picture. Performance Updates: Dyno info: Out of the box heads make 552 tq. Pontiac 400 Heads These are #15 heads off a 1968 Pontiac. 68 Pontiac Cylinder Heads. Intakes in stock: None in stock Heads in stock: NOS Offenhauser dual quad Pontiac intake manifold for 59-64 389 engines 1978 Trans Am 400 6X-8 101 cc, 2. 500 hp will be a challenge for a street engine. The 6X heads were used on some 350 and 400 Pontiacs. Ferrea Racing Engine Valves and Components use the latest technological advances through the development of engine valve programs through racing teams. favorite this post May 21 Complete PONTIAC Tripower Intake & Carb System $2,250 (Vashon Island) pic hide this posting restore restore this posting. If the chamber volume is increased, the C. The Pontiac V-8 valvetrain is a simple overhead-valve design that’s comprised of several different components. They were pulled from a running motor several years ago. 6X Pontiac heads $200 (fay > Raeford) pic hide this posting restore restore this posting. Preparation: Hot tanked, magnetic particle inspected for cracks, and shot blasted. Stock Pontiac Head Flow Head Casting Number: Year: Notes: Porting: Intake Lift: Intake Flow: Exhaust Lift: Exhaust Flow: Download Desktop Dyno 2000. Engine Rebuild Kit. Third, came the Pontiac 455, mated to a set of 6X cast iron heads. PONTIAC HEADS 4X, 6X, 6H $125 (HOUSTON) hide this posting restore restore this posting. 1964 Pontiac LeMans. PONTIAC ( CYLINDER HEADS) ( 6X & " 326 ") ) $125 (Mukwonago,WI) hide this posting restore restore this posting. 00) 04 05 deville / bonneville * complete right rear cylinder head assembly * 14178(US $291. Cylinder Head, Performer RPM, Aluminum, Assembled, 72cc Chamber, 215cc Intake Runner, Pontiac, 389-455, Each. People started to wonder what head they had on. Stock heads / stock valvesflowed @ 28" H2O. PONTIAC HIGH PERFORMANCE CYLINDER HEADS; Year(s) App. In light of this, the 'Year' entry, as indicated by the chart below, may actually represent the year that the heads were cast, versus the year that they were actually installed on an automobile. Casting numbers, generally located on the center exhaust port, identify Pontiac's D-port cylinder heads. Most of the Pontiac guys use thin metal block off plates, which come with the Mr. Performer Rpm intake. help pontiac head porting. favorite this post May 24 PONTIAC 421, 428 CRANKSHAFTS $125 (HOUSTON) hide this posting restore restore this posting. ) pic hide this posting restore restore this posting. The 6X-4 and 6X-8 heads were used only after 1976. The 6X head was installed on the 350, 400 and 455 Engines during the mid to late 70's. by Firechicken » Mon Sep 21, 2020 1:23 am. 6:1 compression ratios. 000 NOS GM Parts. These cylinder heads are ready to bolted to your engine block. 87 for deck height volume) *blocks are assumed to have a. The 6X-8 heads were on the 180 HP 400 motors, the 6X-4 heads were on the 200 HP 400 motors, starting in '77. Putting a bigger cam in an engine with those heads is not the direction I would take. 00 1978 GM 459755 & 459763 66 Front drums 40. The 6X-4 heads were on the 200HP 400s with a 8. to build a set of Stock Pontiac 6X heads that will flow 240 cfm and net you a pump gas friendly compression. B - $800up + T/C $799 (3RD/4TH GEAR SOLUTION !! L. favorite this post Jun 1 2005 GTO. On Site 5 Axis CNC Head and intake Porting Service WE ARE HERE TO SELL YOU THE RIGHT PARTS FOR YOUR APPLICATION We can help you accomplish your pre '79 Pontiac V8 Performance goals, From Dyno And Track Tested Pontiac Engine Combinations, On Site CNC ported heads and intakes, custom camshafts, top end kits to many parts you may need to build. Auction Lot F214, Schaumburg, IL 2016. Stamping location to determine the cc's of the later 4X or 6X heads are as follows: Looking at the head from the exhaust port side, there are two drilled bosses for an A/C bracket on the passenger side (over the end exhaust port) on 4X or 6X heads. favorite this post Jun 1 Pontiac 455 fresh short block buttler $2,800 (nsh > Nashville) pic hide this posting restore restore this posting. Click Here for Edelbrock Aluminum Head Installation Sheet PONTIAC HEAD CHART CASTING NUMBER YEAR FACTORY APPLICATION CHAMBER VOL# CC'S EXHAUST PORT NOTEWORTHY ATTRIBUTES 528511 1958 370 62 D-Port 1. 66 valve: 4. 060 over pistons Edelbrock cam and intake. Correct 6X heads sorted by Butler Performance Comp Cams hydraulic roller camshaft with. We implemented a new laser that increases the accuracy and speed of the laser etching by 50%. Stetson 4X Corral Wool Felt Cowboy Hat, Chocolate. Casting # Year CID HP Valve CC Notes 518024 1955 287 173, 180, 200 1. Edelbrock 61579 - Edelbrock Performer Cylinder Heads. Pontiac Cylinder 6X Heads 2 Pairs $225 (Gnadenhutten) pic hide this posting restore restore this posting. Ferrea Racing Engine Valves and Components use the latest technological advances through the development of engine valve programs through racing teams. by Firechicken » Mon Sep 21, 2020 1:23 am. Also fits 70 1/2 - 81 f-body. #ferr May 3, 2021. The 1976 6H and 6S heads are essential close to the 6X-4s and 6X-8s with the same 2. WOW! 1979 Pontiac Firebird Trans AM with 6. Share This: When we decided to sell Aftermarket Performance cylinder heads the decision was easy! When performance counts, the Trick Flow Heads for the 2008-2009 Pontiac G8 LS2 deliver. So here go's. 6 55-60 INT MAN 538177 61-62 389 62 D-Port 1. Dyno tuned at 325 ft/lbs of torque. PONTIAC HIGH PERFORMANCE CYLINDER HEADS; Year(s) App. Casting #s 4X, 6X, 6H, some are complete and some are bare. The 6X heads were installed after February 1975. CC-1351975. The 6X 4 heads used smaller, (91-93cc). favorite this post May 14 pontiac cam. 6L 400 ci pontiac motor, numbers matching drive t 1967 Pontiac GTO matching # YS 400 Motor. Buy It Now. favorite this post Jun 6 2003 Pontiac Vibe $1 (fay > Rockingham) pic hide this posting restore restore this posting. KRE 74 cc Pontiac Aluminum D Port Cylinder Head Complete Priced per head / each 2. favorite this post Jun 1 2005 Pontiac g6. # 16 Heads 800. Edelbrock Performer 750 cfm carburetor. Your Pontiac Firebird is a classic and sleek performance vehicle that turns heads wherever you drive. favorite this post Jun 9 TOW BIG TIRES OR HP 7004R 4L60E 4L65E 4L70E "A" B. For comparison, a typical Pontiac 6X casting requires 36 to 38 degrees to achieve the same performance. Pontiac Cylinder Head Casting Numbers. The W72 400's were the top engine option and were different, using the stronger early 70's 400 blocks, 6X-4 higher compression heads and other goodies. D-Port heads are the most popular Pontiac heads. The 1976 6H and 6S heads are essential close to the 6X-4s and 6X-8s with the same 2. People started to wonder what head they had on. This head is available with initial flow numbers around 260 cfm! This heads comes as cast with a 65cc chamber, 74 and 85cc CNC'd chambers are available. Dual over head cam Pontiac V-8 picture. The 6x-8 heads are low compression heads, they will work good on a 400 engine if prepped properly, larger exhaust valves, port work, etc. The Edelbrock cylinder heads have Ram Air exhaust IV ports—so you should use this set of Hedman headers. Head flow of 310-320+ cfm from the 72cc Perormer RPM heads for a Pontiac V8. Fits 68-79 GM A-body; 70 1/2-81 F-Body; 69-77 G-Body, 69-81 B-Body with these heads: RA II, RA IV, 455 HO, 455 SD, Edelbrock heads. I've had this motor for at least 15 years looking for the perfect project for it. A set of aluminum heads would be a good addition. PONTIAC HEADS 4X, 6X, 6H. We implemented a new laser that increases the accuracy and speed of the laser etching by 50%. It will LOOK original if you want it to, and that's up to you. Overdrive automatic transmission. favorite this post May 23 1966 Pontiac 389 heads intake carb. It will LOOK original if you want it to, and that's up to you. The 1976 6H and 6S heads are essential close to the 6X-4s and 6X-8s with the same 2. better intake manifold, better carb, headers, heads just basic things, my question is, can a stock 305. 7:1, which is a better deal. favorite this post May 17. Stamping location to determine the cc's of the later 4X or 6X heads are as follows: Looking at the head from the exhaust port side, there are two drilled bosses for an A/C bracket on the passenger side (over the end exhaust port) on 4X or 6X heads. 71" 455: 7 : 6S (AIR) 100. Supposedly the car these heads were on went 8. However, starting in 72, Pontiac has an extra exhaust crossover port in one of the heads. Over the years Pontiac v8 Cylinder heads came in many specifications. Pontiac fans know we have something special here: Z VIN code, Pontiac's 400 4BBL W72 version, 4-speed, with air conditioning. 1977 Pontiac 400 - $500 (Blackfoot) < image 1 of 3 > QR Code Link to This Post. Pontiac 350 cu inch engine rebuilt with new rings bearings camshaft lifters, has 6X heads Edlebrock inlet manifold holly double pumper carb locking valve adjusters. pulled off motor a long time ago and sat in the basement since then. 5L/455 Cylinder Heads Aluminum Cylinder Head Material and get Free Shipping on Orders Over $99 at Summit Racing!. favorite this post May 25 Buick,Olds,Pontiac. 00 outright (no core charge) for 6X heads Stage 2 ported heads (428-455 cubic inch motors) At 245 cfm (at 28"), our Stage 2 "D"-port heads' intakes flow comparably to factory Ram Air IV heads, while our exhaust ports are lightly cleaned-up. Specify if A. favorite this post Jun 3. 00) 04 05 deville / bonneville * complete right rear cylinder head assembly * 14178(US $291. or Best Offer. Flat head ford v8 heads(US $75. favorite this post Jun 9 TOW BIG TIRES OR HP 7004R 4L60E 4L65E 4L70E "A" B. These cylinder heads are ready to bolted to your engine block. favorite this post Jun 6 2003 Pontiac Vibe $1 (fay > Rockingham) pic hide this posting restore restore this posting. Joined Apr 30, 2008 · 102 Posts. Following is a listing of the chamber volume in cubic centimeters (cc) of selected Pontiac heads used from 1966 to 1979. 00 shop fee for this mod to the factory. 00 L103, K203 1974 # 6X Heads 400. Asking $700 Really don t want to ship but can deliver for gas money within reason. Over the years Pontiac v8 Cylinder heads came in many specifications. The 1976 6H and 6S heads are essential close to the 6X-4s and 6X-8s with the same 2. 400 Cu In V8 engine, 6X heads, Edelbrock 4 barrel carburetor, HEI electronic ignition, headers, dual exhaust, 2 speed automati. Dealership. Look for the secondary identifier (location of code shown below), details on the codes here. Pontiac 6X-4 Cylinder Heads $250 (Cedar Lake Indiana) pic hide this posting restore restore this posting. ) pic hide this posting restore restore this posting. favorite this post Jun 12 Pontiac 455 fresh short block buttler $2,800 (nsh > Nashville) pic hide this posting restore restore this posting. Low pricing and fast free shipping on Trick Flow® GenX® Cylinder Heads. Estimated Ship Date: 7/16/2021 (if ordered today) Free Shipping. Cylinder Heads. 6:1 compression ratios. 1:1 Horsepower @ RPM: 220 @ 4,000 Torque @ RPM: 320-lb. I am learning as I go. So here go's. Pontiac 6x heads $225 (nsh > Nashville) pic hide this posting restore restore this posting. Location: Chicago, Illinois, United States. These cylinder heads are designed for outstanding performance gains in 1962-79 389-455ci Pontiac engines. Comes with starter, alternator, cooling fan, all mounting brackets and pulleys ready to install $1200. Many guys "out-science" themselves which simply shows. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. The resulting compression ratio depending on which chamber size you have. Look for the secondary identifier (location of code shown below), details on the codes here. 5 rocker ratio. The Boss Stamping to determine the cc's of the 6X heads are as follows: A # 4 is 91 cc's (Installed on both. They were put in over 95 percent of Pontiac V-8s from 1959-1979, with the most popular of these manufactured for model years 1967-1976. inch Flowmaster exhaust and headers. 00 F176, F186 1966 # 4X Heads 300. Compression Ratio: 9. 1967 Pontiac Tempest Custom. Cylinder Head, Performer, Aluminum, Assembled, 87cc Chamber, 204cc Intake Runner, D-Port, Pontiac, Each. favorite this post May 21 ** Pontiac Grand Prix Parts **ALL FOR. 11 Intake / 1. I have a pair of 6X-4 Heads off of a 1979 Trans Am. The L78 engines used the 6X 8 heads which featured larger (90-101 cc) combustion chambers. Pontiac used these heads in the mid-'70s, and unlike most earlier 350 heads, these utilize the same 2. 315 -- Throat 87% area =2. Intakes in stock: None in stock Heads in stock: NOS Offenhauser dual quad Pontiac intake manifold for 59-64 389 engines 1978 Trans Am 400 6X-8 101 cc, 2. Update on the gasket match, exhaust bowl cut and blend. Came across a set of these and was wondering how good of a head are they. Engine Type: Pontiac OHV V-8; cast-iron block and cylinder heads Displacement: 400 cubic inches (currently 406) Bore x stroke: 4. My engine is just about done: 73 455 block, stock rods with ARP bolts, forged TRW pistons, 6X-8 heads milled to. favorite this post May 26 TOW BIG TIRES OR HP 7004R 4L60E 4L65E 4L70E "A" B. favorite this post Jun 6 2003 Pontiac Vibe $1 (fay > Rockingham) pic hide this posting restore restore this posting. Performer heads #60579/60575 are 50-state emissions legal for 1965-79 vehicles. Heads with a 72cc chamber would give you 9. They actaully flowed 218. Featuring a Pontiac 400 cubic inch block stroked to 455 cubic inches, this authentic Pontiac stroker is perfect for street and strip use. 1976 1977 6x Pontiac 350 400 455 Heads Trans Am Firebird. Pontiac fans know we have something special here: Z VIN code, Pontiac's 400 4BBL W72 version, 4-speed, with air conditioning. Free shipping. favorite this post May 26 Pontiac Ram Air III Heads number 13 $600 (Cedar Lake,Indiana) hide this posting restore restore this posting. The May 7, 1973 changeover date is Motor Unit Number 709986 assembled on or about May 7, 1973 May 7, 1973 is the head assembly date, NOT the casting date. Pontiac made closed chambered heads until 1967. 90 shipping. The heads will bolt to traditional Pontiac blocks as well as aftermarket blocks. 060 over pistons Edelbrock cam and intake. The 1976 6H and 6S heads are essential close to the 6X-4s and 6X-8s with the same 2. 000 NOS GM Parts. Cylinder Heads: The W72 engines used a specific 350 V8 head casting called 6X 4. 6: 111: 543796: 2: 64: NA. Have everything for. Pontiac engines were available in many different displacements, ranging from 265 CID to 455 CID. Pontiac Engine Motor parts, Body parts. Free shipping. favorite this post May 26 TOW BIG TIRES OR HP 7004R 4L60E 4L65E 4L70E. In 1967 Pontiac made some open chamber heads(i. 500 and then port stalls out at 256 cfm at 28". The '77 6X heads do have the more desirable 2. Valve Diameters: 1. Check your heads for a secondary stamping on the side boss. Heads with casting dates starting around mid-March 1973 to mid-April 1973usually will have screw-in studs. 1976 1977 6x Pontiac 350 400 455 Heads Trans Am Firebird. 400 Cu In V8 engine, 6X heads, Edelbrock 4 barrel carburetor, HEI electronic ignition, headers, dual exhaust, 2 speed automati. Valve and Seat Preparation: Three-angle valve job. Location: Chicago, Illinois, United States. , , *, , , , , , , Firing Order. 68 Pontiac Cylinder Heads. Item Is For [email protected] Auction Lot F214, Schaumburg, IL 2016. Engine Type: Pontiac OHV V-8; cast-iron block and cylinder heads Displacement: 400 cubic inches (currently 406) Bore x stroke: 4. Premiering in the 1967 Pontiac GTO/Firebird, the 400 cubic-inch RA-I produced 360 horsepower using a large camshaft, a bespoke intake and cast-iron exhaust headers along with unique cylinder heads. favorite this post May 26 Pontiac Ram Air III Heads number 13 $600 (chi > Cedar Lake,Indiana) hide this posting restore restore this posting. ARP Item #: 190-3602 -. PONTIAC HEADS ENGINE PARTS $1 (sfo > hayward / castro valley) hide this posting restore restore this posting. Pontiac Firebird. This is a 4-speed car with 3:31 rear gear with power. 66" 1974 GTO 350 code 46 screw in studs 1. 75:1 compression — that’s too low. Find PONTIAC 7. PONTIAC HEADS 4X, 6X, 6H $125 (HOUSTON) hide this posting restore restore this posting. New valves, springs, hardened seats installed. Factory V8 Iron Heads; After Market Heads. Pontiac engines were available in many different displacements, ranging from 265 CID to 455 CID. pulled off motor a long time ago and sat in the basement since then. Tags: mailbag, Pontiac 400. $250 (1021 Combe St Ripon Wi) pic hide this posting restore restore this posting. The heads will bolt to ALL traditional Pontiac blocks and do not require you to run any off-set lifters or rocker shaft systems. However, Pontiac made two different 6X heads in '77. High Output and Super Duty versions of the 455 were added in. 12 (currently 4. The bore size is then listed on our web site along with the machine shop"s recommended final bore size (most blocks on the web site). Head flow of 310-320+ cfm from the 72cc Perormer RPM heads for a Pontiac V8. All heads will CNC chambers and will be capable of flowing 400 cfm. Together with the casting code and casting date you can determine where what the engine is. Buy It Now. 1968 1/2PONTIAC RA II heads. For comparison, a typical Pontiac 6X casting requires 36 to 38 degrees to achieve the same performance. Pontiac V8 Cylinder Heads. by Firechicken » Mon Sep 21, 2020 1:23 am. The Fel-Pro gaskets are higher quality. 66 Exhaust 260 cfm Intake / 210 cfm Exhaust Standard D Port exhaust Complete heads come with 5000 series Ferrea valves, steel retainers, 10 degree locks, PC seals, hyd cam springs for. 060'' or larger bore. do NOT contact me with unsolicited services or offers. Most popular cam. 6 compression ratio. The information below reflects the research conducted by Pontiac enthusiast/ author Pete McCarthy, much of which is from his book, Pontiac Musclecar Performance 1955-1977, as well as information gathered from many other Pontiac enthusiasts world-wide. When engine was rebuilt, 1 piston was not secured right. Low pricing and fast free shipping on Trick Flow® GenX® Cylinder Heads. Buy It Now. 500 lb ft of torque is doable. 00 – $ 3,200. However, Pontiac made two different 6X heads in '77. High Output and Super Duty versions of the 455 were added in. 1976 High Performance 100. 00 shop fee for this mod to the factory. Works with stock parts. If you have questions please direct them to the Q & A. 00 C288, D038 1968 HO # 092 Heads 300. Performer Rpm intake. favorite this post May 25 Buick,Olds,Pontiac Manual Bellhousing $100 (col) pic hide this posting restore restore this posting. Cylinder Heads For immediate assistance please call us at 1-800-275-7371 We have a large inventory of domestic cylinder heads, however most import cylinder heads are done on special order, please ask a salesman for further details. PONTIAC HEADS 4X, 6X, 6H $125 (HOUSTON) hide this posting restore restore this posting. As-cast chamber volume measures 65 cc, but it can be CNC machined to 74 or 85 cc at an additional cost. I have a complete 400 with 6X heads, that I think is stock bore, and I have a YH virgin 455 with the rotating assembly. Pontiac 400 Heads These are #15 heads off a 1968 Pontiac. favorite this post May 21 ** Pontiac Grand Prix Parts **ALL FOR. 500 hp will be a challenge for a street engine. 66" Ferrea 6000 series SS valves the difference in exhaust flow #'s. 000 NOS GM Parts. favorite this post. jake_arcticcat · Registered. Frank's Pontiac Parts Pair #6X (8) Heads sold. Pontiac's Ram Air IV engine was the fourth evolution of an engine that had helped to create the muscle car as we know it. favorite this post Jun 10 2007 g6 Pontiac $1,500 (fay > Turkey) pic hide this posting restore restore this posting. 57 + head cc (assuming 6cc for valve relief, 9. 6 55-60 INT MAN 538177 61-62 389 62 D-Port 1. Pontiac 1973-1974 Cylinder Heads; No "H" stamp on early 1973 heads. 66 valve: 4. Condition:Used. Designed for Pontiac applications, this 4L80E-based TCI® 6x Six-Speed Automatic Transmission is a fully programmable transmission that gives you six forward gears (2. Head flow of 310-320+ cfm from the 72cc Perormer RPM heads for a Pontiac V8. 6L 400ci V8 - 4X/6X Cylinder HeadThe cylinder head included in this. Update on the gasket match, exhaust bowl cut and blend. Some will notice these heads were o-ringed. favorite this post May 31 1963 pontiac 389 engine Pontiac Cylinder 6X Heads 2 Pairs $225 (New Philadelphia) pic hide this posting restore restore this posting. Original casting numbers on Manifolds: LH 490803, RH 490802 Exact Reproductions from GM blueprints. They will be going on my 455. favorite this post Jun 1 Pontiac 455 fresh short block buttler. Split duration/Single pattern, rough duration needs, lift, exc. The bore size is then listed on our web site along with the machine shop"s recommended final bore size (most blocks on the web site). $125 per set, or make a package deal on all of them. 315 -- Throat 87% area =2. Designed for Pontiac applications, this 4L80E-based TCI® 6x Six-Speed Automatic Transmission is a fully programmable transmission that gives you six forward gears (2. CC-1351975. Can a Pontiac 400 with 6X heads setup properly make around 400 HP with good torque for street use with the right compression, good hydraulic flat tappet cam, RPM type intake and 750/800 cfm carb, full length headers and a 2 1/2" full length dual exhaust system?. The W72 400's were the top engine option and were different, using the stronger early 70's 400 blocks, 6X-4 higher compression heads and other goodies. Following is a listing of the chamber volume in cubic centimeters (cc) of selected Pontiac heads used from 1966 to 1979. goes down; if the displacement is increased, the C. Performer Pontiac heads utilize a D-Port exhaust port configuration for use with standard D-port exhaust systems. However, stroking the engine to say 461ci and retaining the 6X heads, the torque will increase to tire-frying proportions, and the W72 block will hold up better than the regular late '75-'78 400. Get the valves changed to Stainless, with bronze guides. On Site 5 Axis CNC Head and intake Porting Service WE ARE HERE TO SELL YOU THE RIGHT PARTS FOR YOUR APPLICATION We can help you accomplish your pre '79 Pontiac V8 Performance goals, From Dyno And Track Tested Pontiac Engine Combinations, On Site CNC ported heads and intakes, custom camshafts, top end kits to many parts you may need to build. A typical cast-iron Pontiac D-port measures 190 to 210 cfm of peak intake airflow at 28 inches of pressure. Following is a listing of the chamber volume in cubic centimeters (cc) of selected Pontiac heads used from 1966 to 1979. The "hole" is the heat crossover. New valves, springs, hardened seats installed. 6X Pontiac heads $200 (fay > Raeford) pic hide this posting restore restore this posting. favorite this post May 31 Partingout 2004 Pontiac Grand Am GT. Horsepower: Cubic Inches: Trans: Code: Compression: Cam: Heads: Carb: Year: 215: 389: M: 02B: 8. (after claiming big air flow numbers for years, I have a set of his D-port heads he claimed. 500 lb ft of torque is doable. Step by step modifications are shown for. The 6X-4 heads were on the 200HP 400s with a 8. favorite this post May 26 Pontiac Ram Air III Heads number 13 $600 (Cedar Lake,Indiana) hide this posting restore restore this posting. Refurbished. Recent searches: pontiac grand prix parting 1971 pontiac lemans 1974 pontiac lemans 79 pontiac trans am headlight pontiac Raleigh, NC > Buy & Sell > Auto Parts Sale in Raleigh, NC > Pontiac 6X heads - $300 (google map). Pontiac engines were available in many different displacements, ranging from 265 CID to 455 CID. Heads with casting dates starting around mid-March 1973 to mid-April 1973usually will have screw-in studs. Was going to get it bored and sleeved but ended up with another 400 engine. 00 E187, E187 1977 # 77 Heads 800. Except for some special heads. Discussion Starter · #1 · Jul 5, 2008. Pontiac fans know we have something special here: Z VIN code, Pontiac's 400 4BBL W72 version, 4-speed, with air conditioning. The May 7, 1973 changeover date is Motor Unit Number 709986 assembled on or about May 7, 1973 May 7, 1973 is the head assembly date, NOT the casting date. Listed is a true 1975 Pontiac 455 - (462) cubic inch engine with 2 Bolt mains with Arp Main Studs, Arp Head and Connecting Rod bolts, Ready to Ship. Item Is For [email protected] D-Port heads are the most popular Pontiac heads. This car is a great driver car has and been repainted by previous owners, the Pontiac 400 motor has 6x heads, Quadrajet carburetor, long tube headers, MSD Soft touch rev control & Optima battery, BF Goodrich Radial T/A tires, Gen II frame connectors welded in, KYB shocks, polyurethane sway bar. Specify if A. I am doing up a set of pontiac 6x-4 heads and first time on the bench was very encouraged at low lift flow up to. Most heads are shipped UPS Ground, unless otherwise specified. Intakes in stock: None in stock Heads in stock: NOS Offenhauser dual quad Pontiac intake manifold for 59-64 389 engines 1978 Trans Am 400 6X-8 101 cc, 2. Engine dimensions and specs many makes. 1967 Pontiac Tempest Custom. The seller describes the powerplant as being a "pump gas" edition with 6X heads and supported by headers and a Flowmaster exhaust system. Most popular cam. 68 Pontiac. 61 MCSA = 2. Pontiac 1973-1974 Cylinder Heads; No "H" stamp on early 1973 heads. I know this is a Camaro site, but the Firebirds and Trans Ams are sister cars to our cars. jake_arcticcat · Registered. Works well with large displacement stroker engines. Factory Iron Heads V8 Engines (5/16" Pushrod Ball) STUDEBAKER; PONTIAC. 281-seven99-543zero. The stamped number was the last digit of. In light of this, the 'Year' entry, as indicated by the chart below, may actually represent the year that the heads were cast, versus the year that they were actually installed on an automobile. Like all PONTIAC engines since , the firing order sets is: , all by turning it counterclockwise. 1975 Pontiac. Performance Updates: Dyno info: Out of the box heads make 552 tq. *Pontiac 455 compression area = 25. Horsepower: Cubic Inches: Trans: Code: Compression: Cam: Heads: Carb: Year: 215: 389: M: 02B: 8. Keep your compression ratio at about 9. Stamping location to determine the cc's of the later 4X or 6X heads are as follows: Looking at the head from the exhaust port side, there are two drilled bosses for an A/C bracket on the passenger side (over the end exhaust port) on 4X or 6X heads. 455 Long Block. Get the heads ported and. Block is coded from 1977 and has the good 6x heads. 00 Exhaust hangers 40. Cylinder Head, Performer RPM, Aluminum, Assembled, 72cc Chamber, 215cc Intake Runner, Pontiac, 389-455, Each. More commonly known today as the means of identifying 6X heads, the 4X head was among the first Pontiac heads to receive an external application stamping. They were put in over 95 percent of Pontiac V-8s from 1959-1979, with the most popular of these manufactured for model years 1967-1976. Stock heads / stock valvesflowed @ 28" H2O. Let me know if you have a Digital camera, and some heads that are not represented below, I would love to add your pics!. PONTIAC HEADS 4X, 6X, 6H. We use an in-house Superflow 901 dynomometer to test and maximize every part that we make. favorite this post May 29. Suggested Airflow at 28 inches: Stock 210 cfm. Pontiac fans know we have something special here: Z VIN code, Pontiac's 400 4BBL W72 version, 4-speed, with air conditioning. AutoZone has the Firebird performance spark plugs to keep the performance of your engine up to par with its stylish exterior. These cylinder heads are designed for outstanding performance gains in 1962-79 389-455ci Pontiac engines. Pontiac engines have block code. Questions and Answers. Static compression, (C. Stamping location to determine the cc's of the later 4X or 6X heads are as follows: Looking at the head from the exhaust port side, there are two drilled bosses for an A/C bracket on the passenger side (over the end exhaust port) on 4X or 6X heads. This head is available with initial flow numbers around 260 cfm! This heads comes as cast with a 65cc chamber, 74 and 85cc CNC'd chambers are available. 500 hp is a pretty stout 400 cid pontiac motor. Over the years Pontiac v8 Cylinder heads came in many specifications. Pontiac V8 Cylinder Heads. Low pricing and fast free shipping on Trick Flow® GenX® Cylinder Heads. 6X Pontiac heads $200 (fay > Raeford) pic hide this posting restore restore this posting. 68 Pontiac. Floating pin h-beam rods, roller lifters, roller cam 243 Int 252 Exh @ 050, 502 502 lift with 1. Edelbrock aluminum intake. 1971-73 Firebird aircleaner picture. 12 watching. The 6X heads were used on some 350 and 400 Pontiacs. (after claiming big air flow numbers for years, I have a set of his D-port heads he claimed. they're listening to the wrong people, or simply guessing at what to do. Engine Details: w/o Oil Pump & Timing Belt Or Timing Kit, w/ 2nd Design Timing & Valve Cover Gaskets. pontiac 6x heads. 1975 Pontiac 455-4bbl Casting 51 2. Check your heads for a secondary stamping on the side boss. head bolt kit - fits all pontiac d port heads including 1969 & 1970 ram air iii and 1970 & 1975 455 h/o. Refurbished. 500 hp will be a challenge for a street engine. favorite this post May 31 Partingout 2004 Pontiac Grand Am GT. Over 4 weeks ago on USClassifieds4all. favorite this post May 26. Comes with starter, alternator, cooling fan, all mounting brackets and pulleys ready to install $1200. Pontiac 350 cu inch engine rebuilt with new rings bearings camshaft lifters, has 6X heads Edlebrock inlet manifold holly double pumper carb locking valve adjusters. Cruise RPM 2200-2700. Pictures of my blown up Buick 350. Works with stock parts. While I love the Bullet, Pontiacs are not very well represented here so here is where we help our own. 66 Exhaust 260 cfm Intake / 210 cfm Exhaust Standard D Port exhaust Complete heads come with 5000 series Ferrea valves, steel retainers, 10 degree locks, PC seals, hyd cam springs for. Head flow of 310-320+ cfm from the 72cc Perormer RPM heads for a Pontiac V8. PONTIAC ( CYLINDER HEADS) ( 6X & " 326 ") ) $125 (Mukwonago,WI) hide this posting restore restore this posting. This head is available with initial flow numbers around 330 cfm. favorite this post May 24. Static compression, (C. 1975/79 Stampings on Head codes - 6X / 6H; Year Stamped ID Head # Code MVMA Chamber Vol. Look for the secondary identifier (location of code shown below), details on the codes here. Re: Pontiac 6X-head problem. favorite this post May 21 ** Pontiac Grand Prix Parts **ALL FOR. 71" 455: 7 : 6S (AIR) 100. Remember, this is a low buck build. The heads will bolt to ALL traditional Pontiac blocks and do not require you to run any off-set lifters or rocker shaft systems. Except for some special heads. Due to spam, if you have an out of state cell please call. 0 compression ratio. What is the stock valve angle for pontiac head #6X - Answered by a verified Pontiac Mechanic We use cookies to give you the best possible experience on our website. Update on the gasket match, exhaust bowl cut and blend. 500 hp will be a challenge for a street engine. WOW! 1979 Pontiac Firebird Trans AM with 6. B - $800up + T/C $799 (fay > 3RD/4TH GEAR SOLUTION !! L. In Pontiac gearhead lingo they are 6X-4 or 6X-8 heads. The '77 6X heads do have the more desirable 2. The price for crating each head is $20 USD The valves and other parts if included are shipped in a separate parcel. head bolt kit - fits all pontiac d port heads including 1969 & 1970 ram air iii and 1970 & 1975 455 h/o. Valves: Ferrea Stainless Steel. 87 for deck height volume) *blocks are assumed to have a. PONTIAC HIGH PERFORMANCE CYLINDER HEADS; Year(s) App. Dealership. of torque with a compression ratio of 9. There is no special intake gasket to accomplish this. More commonly known today as the means of identifying 6X heads, the 4X head was among the first Pontiac heads to receive an external application stamping. favorite this post May 31 Partingout 2004 Pontiac Grand Am GT. We implemented a new laser that increases the accuracy and speed of the laser etching by 50%. While I love the Bullet, Pontiacs are not very well represented here so here is where we help our own. jake_arcticcat · Registered. Engine Rebuild Kit. It is possible to convert a pressed in stud Pontiac head to a screw in stud but, it is better to pick a head with screw in studs to begin with ( all 6X heads have screw in studs ) to keep you costs down. 75 inches Compression ratio: 8. 1, Glendale, AZ 2019. Pontiac Cylinder Head ID Numbers. You may have to register before you can post: click the register link above to proceed. 11 Richmond Gears and,Eaton Posi,Yukon axles,it has a pontiac 350 with an Edlebrock. $125 (HOUSTON) hide this posting restore restore this posting. Eagle Beam rods and flat top pistons. The 455 Pontiac V8 was introduced in 1970 and provided large-bodied Pontiacs a torque-friendly engine. (after claiming big air flow numbers for years, I have a set of his D-port heads he claimed. Comes with starter, alternator, cooling fan, all mounting brackets and pulleys ready to install $1200. PONTIAC HEADS ENGINE PARTS $1 (sfo > hayward / castro valley) hide this posting restore restore this posting. I have a pair of 6X-4 Heads off of a 1979 Trans Am. The 455 engines are built with stock block, crank, rods, and 6X head castings. favorite this post Jun 6 2003 Pontiac Vibe $1 (fay > Rockingham) pic hide this posting restore restore this posting. Engine Rebuild Kit. 6X Heads (other numbers available) Milling optional / additional charge (let us know your desired compression ratio) Completely ported and polished (starting @ 240+ cfm) Competition 3 angle valve job done with our Serdi machine; FULL bronze guides (not liners) Ferrea Stainless Steel valves; Surfaced on all 3 sides; Retainers & HD valve locks. 281-seven99-543zero. Pontiac 350 cu inch engine rebuilt with new rings bearings camshaft lifters, has 6X heads Edlebrock inlet manifold holly double pumper carb locking valve adjusters. Custom-Ported Pontiac Cylinder Heads: At Nitemare Performance, we only build and modify pure Pontiacs with traditional Pontiac engines — the legendary 326-455 cubic inch V8s produced from 1964 through 1980. Exhaust manifolds, pulleys, alt power steering bracket , Set of Rods , Transmissions super turbine 300 auto and 3 speed sanginaw, Have some. favorite this post May 25 2002 Pontiac Firebird. Cylinder Head, Performer RPM, Aluminum, Assembled, 72cc Chamber, 215cc Intake Runner, Pontiac, 389-455, Each. Identifying Pontiac cylinder heads is also a fairly straightforward procedure. (95 Reviews) Stetson 4X Broken Bow Buffalo Cowboy Hat. The 6X 4 heads used smaller, (91-93cc). The upper port can be filled with funace cement and sanded flush then you will be able to use any year intake and gasket on your 6x heads there is a article in january 2013 in high performance pontiac about how to do this. 1976 Pontiac Trans Am 400 Matching numbers project car 6X-8 heads Resend Offers! 1967 Pontiac Bonneville Base 6. Item Is For [email protected] We use cookies to give you the best possible experience on our website. It might actually be cheaper to rebuild the engine with different pistons to bring. 75) for quicker acceleration and increased fuel economy at cruising speeds. The "hole" is the heat crossover. 1971-73 Firebird aircleaner picture. 3 / L4 / Valves: 16. 11 Intake / 1. 57 + head cc (assuming 6cc for valve relief, 9. 600 lift, ARP rocker studs, spring seats and 5 angle valve job. This head is available with initial flow numbers around 260 cfm! This heads comes as cast with a 65cc chamber, 74 and 85cc CNC'd chambers are available. Heads can be used on your 1965 - 1979 Pontiac motor. 450ish lift at the valve, keep the 30 deg. In Pontiac gearhead lingo they are 6X-4 or 6X-8 heads. flow bench. A set of aluminum heads would be a good addition. Refurbished. Valve Diameter Valve Length CID; 1975-76: 4: 6X: 93. favorite this post May 14 pontiac cam $100 (woodlands) pic hide this. 6X heads won't work as well as # 7K3 or # 64 because even the 6X 400 heads only have 101CC which are too low compression. This car is a great driver car has and been repainted by previous owners, the Pontiac 400 motor has 6x heads, Quadrajet carburetor, long tube headers, MSD Soft touch rev control & Optima battery, BF Goodrich Radial T/A tires, Gen II frame connectors welded in, KYB shocks, polyurethane sway bar. 407 camshaft, HO oil pump, slotted bearing caps, special balancer, and distributor curve, another 20. They were put in over 95 percent of Pontiac V-8s from 1959-1979, with the most popular of these manufactured for model years 1967-1976. 6X-8 cleaned up heads are unaltered ports. 6 55-60 INT MAN 538177 61-62 389 62 D-Port 1. Pontiac Cylinder 6X Heads 2 Pairs $225 (Gnadenhutten) pic hide this posting restore restore this posting. 8 bolts have the correct stud for accessory mounts. jake_arcticcat · Registered. Pontiac 6x heads $225 (nsh > Nashville) pic hide this posting restore restore this posting. Pontiac 350 cu inch engine rebuilt with new rings bearings camshaft lifters, has 6X heads Edlebrock inlet manifold holly double pumper carb locking valve adjusters. The cylinder bores are measured at the top, bottom and center as well as inspected for damage. by Firechicken » Mon Sep 21, 2020 1:23 am. The stamped number was the last digit of. *Pontiac 455 compression area = 25. 407 camshaft, HO oil pump, slotted bearing caps, special balancer, and distributor curve, another 20. Free shipping. Stamping location to determine the cc's of the later 4X or 6X heads are as follows: Looking at the head from the exhaust port side, there are two drilled bosses for an A/C bracket on the passenger side (over the end exhaust port) on 4X or 6X heads.