• Ultimate Head Flow Charts - Pontiac

    Ultimate Head Flow Charts by Pete McCarthy and High Performance Pontiac 1958 No. 528511 (1958 370-cid 270-hp 4-bbl) Date cast: J277 Grade: 3 (3 cfm seat leakage) Valve sizes: 1.88/1.60

  • Olds FAQ -- Heads

    Small Block Head ID/Codes, Casting Numbers, VIN Derivative Numbers. The 4 or 6 digit casting number is found around the center exhaust side rocker arm cover bolt or among the rockers on really early heads [pre-68]. Really late heads have #'s like 4417 or such, they might be out closer to the top of the exhaust port.

  • Pontiac Street Performance: Heads

    For example: A109 is probably a casing from January 10, 1969; a head casting with E248 is a casting from 1968 or 1978. If the casting identifier on the center exhaust ports is visible and it's alphanumeric (E.g. 6x) then it's from 1978. If there are two numbers, say 16, or 62 or 48, it's a 1968 casting.

  • Pontiac 400 428 455 Engine Codes — Patterson Coachworks

    Pontiac 400 428 455 Engine Casting Numbers; Pontiac Cylinder Head ID Numbers; This is a quick block ID for junk yard hunting, etc. You must find the date code at the back LH side of the block first. The letter is the month, next 2 digits are the day and the last digit is the year. Here are 2examples:

  • Ron's Pontiac Page: Stock Pontiac Head Flow Charts

    Jul 06, 2009· Stock Pontiac Head Flow Head Casting Number: Year: Notes: Porting: Intake Lift: Intake Flow: Exhaust Lift: Exhaust Flow: Download Desktop Dyno 2000 .flw file

  • Porting Pontiac Heads - Pit Stop - Hot Rod Magazine

    Sep 01, 2005· I have a set of '69 Pontiac 400 heads, casting No. 46. I would like to try my hand at porting and polishing. I would like any information on how to do this and what tools are needed.Connie ...

  • Cylinder Head Rebuild - How To - Hot Rod Magazine

    While few Hot Rodders have access to cylinder-head rebuilding machinery, its important to know the difference between a dime-store rebuild and competent machine work.

  • Pontiac Cylinder Head Stock Flow Numbers - Ken's Auto ...

    Pontiac Cylinder Head Stock Flow Numbers (Flow is figured at 28" of water) HEAD CASTING PART # COMBUSTION CHAMBER CC's.100 Int / Exh .200 Int / Exh .300 Int / Exh.400 Int / Exh.500 Int / Exh.600 Int / Exh.700 Int / Exh; 670 70 cc's 87/41 152/100 198/136 204/166 205/185

  • CHEVY CASTING NUMBERS - enginerepairshop.com

    CHEVY CASTING NUMBERS. I know that Chevy Casting Numbers are on several sites on the World Wide Web but I thought it would be a good idea to list them here too. I actually went through several lists and made some corrections before making this list. I hope it helps you identify the Chevrolet engine parts you are working on.

  • Pontiac Technical Information - Ken's Auto Machine Shop

    Pontiac Cylinder Head Casting Numbers. Pontiac Cylinder Head Port Volumes. Pontiac Cylinder Head Stock Flow Numbers. Pontiac Engine Sizes. Pontiac Parts Interchange List. Pontiac Torque Specifications. Pontiac Wheel Application Chart. Pontiac/Olds Engine Information.

  • Casting Codes – Pontiac Power Net

    Where to find the Casting Code: Casting codes for 1955 to 1963 are found on the passengers side of the block. Casting codes for from 1964 to 1967 are found on the distributor pad, except the 421′s; Casting codes for from March 1967 on are found on the rear of the block just behind the number 8 cylinder

  • Cylinder Head ID - Jims Performance

    Small block chevy head castings; Casting # Combustion Chamber size CCs Intake valve Exhaust valve Production Years Misc Engine; 10033867: 62cc: 2.02: 1.60: over the counter 23 degree, angle plug, 196 cc intake runner, Aluminum

  • Technical Information - Ken's Auto Machine Shop

    Pontiac Cylinder Head Casting Numbers. Pontiac Cylinder Head Port Volumes. Pontiac Cylinder Head Stock Flow Numbers. Pontiac Engine Sizes. Pontiac Parts Interchange List. Pontiac Torque Specifications. Pontiac Wheel Application Chart. Pontiac/Olds Engine Information. Articles and Tips.

  • Pontiac Block Casting Numbers - home.grandecom.net

    1964 & up have the casting numbers by the distributor (Except 421's) 1959 thru 1969 blocks have 2 motor mount holes: 1964 was the start of block mounted starters: Starting in 1965, cylinder head oiling passages were eliminated from the blocks. 1955 thru 1966 have 2 freeze plugs per side.

  • Numbers – Pontiac Power Net

    Casting codes for 1955 to 1963 are found on the passengers side of the block. Casting codes for from 1964 to 1967 are found on the distributor pad, except the 421′s. Casting codes for from March 1967 on are found on the rear of the block just behind the number 8 cylinder. Engine Code: Pontiac engines have an engine or block code.

  • Ron's Pontiac Page: Stock Pontiac Head Specs

    Sep 23, 2006· Stock Pontiac Head Specs * During my searching for information, I found quite a few discrepancies in the sources I was viewing. 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.

  • Pontiac/Olds Engine Information - Ken's Auto Machine Shop

    Block Casting Numbers: 557265-4A, 553990-4A, 554990-4A Blocks with these casting numbers were used in certain 1977 Buick Station Wagons built in 1976, the Pontiac Bonneville with tow package, the 1979 Pontiac Trans Am with tow package (w/block casting #554990-4A), and in 1977 Olds 98's.

  • Pontiac V8 Cylinder Heads

    Pontiac Cylinder Head Codes Wallace Racing. If you know the code number, try my new head search. ... (1/4" tall) on their heads.These head numbers represented chamber sizes.They are usually stamped on the machined pads by the valve covers. Head ID Location 1973/74 Stampings on Head codes - …

  • Engine Codes – Pontiac Power Net

    Pontiac engines have block code. This code will tell you the year it was to be used. However, these codes were used over from year to year. Together with the casting code and casting date you can determine where what the engine is. Starting in 1965 Pontiac began using a 2 digit letter code.

  • Serious Pontiac Horespower - Rock and Roll Engineering

    A cylinder head's combustion efficiency. can't be measured on a flow bench, yet it has a huge impact on performance.-----I am not against flow benches; in fact, we use computerized flow benches daily. at Reher-Morrison Racing Engines. What I am against is the over reliance on flow . numbers as the primary measurement of a cylinder heads's ...

  • Wallace Racing - Pontiac Cylinder Head List

    In 1973 Pontiac started stamping extra numbers (1/4" tall) on their heads.These head numbers represented chamber sizes.They are usually stamped on the machined pads by the valve covers. Head ID Location The following are 73-74 heads 4X-1H uses 4.881/4.870" valves; 4X-1H are 455 head with 114cc, 2.11/1.66" valves and pressed studs.

  • Pontiac Cylinder Head Casting Numbers - Ken's Auto Machine ...

    Pontiac Cylinder Head Casting Numbers 6X and 4X Head Information 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,...

  • 20+ Pontiac V8 Engines Factory Casting Number And Code ...

    Pontiac Cylinder Head Casting Numbers Kens Auto Machine pontiac cylinder head casting numbers 6x and 4x head information stamping location to determine the ccs of the later 4x or 6x heads are as follows looking at the head from the exhaust port side there are ... pontiac 400 428 455 engine casting numbers pontiac 400 428 455 engine casting ...

  • TextBook Pontiac V8 Engines Factory Casting Number And ...

    Pontiac Cylinder Head Casting Numbers Kens Auto Machine casting engine size exhaust style intake valve exhaust valve chamber volume 1958 528511 370 cuin 270hp d port 188 160 62 cc 1960 536109 389 cuin 215 348 hp d port 188 160 72 cc 1960 ... Pontiac Block Casting Numbers Kens Auto Machine …

  • The Best Pontiac Heads | It Still Runs

    Heads create power, so it's important to know the best ones for your Pontiac. Though most Pontiac heads share basic characteristics with each other, knowing which are the best may still be confusing because Pontiac's head foundry only produced each specific head casting …

  • Pontiac 400 428 455 Engine Casting Numbers — Patterson ...

    Pontiac 400 428 455 Engine Casting Numbers. Pontiac 400 428 455 Engine Casting Numbers. About Contact Parts For Sale. GM FoMoCo ... Pontiac Cylinder Head ID Numbers; Service Replacement (SR) blocks do not always have a code stamped on the front of the engine. They do, however, usually have a casting number. ...

  • PONTIAC BLOCK CASTING #'S - Nook and Tranny LLC

    True Pontiac engines were made by the Pontiac Motor Division. Pontiac engines were last produced and used in 1981. Pontiac engines were available in many different displacements, ranging from 265 CID to 455 CID. Components are interchangeable from each displacement, other than 265 & 301, which are only compatible with themselves.

  • Pontiac Block Casting Numbers - Ken's Auto Machine Shop

    All pre-70 blocks have 2 motor mount bolt holes on each side. All blocks produced after 1970 have 3 holes plus the early 2 bolt set up. 5 all together. The 5 hole blocks will fit the pre-70 chassis. Late in 1977 Pontiac produce 400 blocks with only 3 motor mount holes.

  • Pontiac V-8 Cylinder Heads - Edelbrock Victor Pro-Port ...

    Jan 18, 2011· The Prototype Casting With a sound design plan firmly in place, Edelbrock began casting its prototype Victor Pontiac cylinder heads a few months back. "We started with the 12.6-degree casting ...

  • Cylinder head casting number usage - Pontiaction

    Jan 02, 2010· Cylinder head casting number usage. January 2, 2010 Engine . 1964-74 PONTIAC V8 CYLINDER HEAD CASTING NUMBERS. 1964 326/250 hp 326/280 hp 389/215, 230, 235 hp 389/267, 283, 303, 306 hp 389/325, 330, 348 hp 421/320 hp 421/350, 370 hp. 1965 326/250 hp 326/285 hp 389/256 hp 389/290, 325, 333 hp

  • Pontiac Cylinder Head ID Numbers — Patterson Coachworks

    Pontiac Cylinder Head ID Numbers. Pontiac Cylinder Head ID Numbers. About Contact Parts For Sale. GM FoMoCo MOPAR Gaskets ... Pontiac 400 428 455 Engine Casting Numbers; Pontiac Cylinder Head ID Numbers; Printable PDF. What are you looking for? Back to Top. Work in Progress.