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Pontiac V8 Cylinder Heads - Wallace Racing
http://www.wallaceracing.com/head1.htm
Pontiac Cylinder Head Codes. Wallace Racing. If you know the code number, try my new head search. Chart to mill Pontiac Cylinder Heads. Pontiac made closed chambered heads until 1967. In 1967 Pontiac made some open chamber heads (i.e. 061).After 1967 the heads were open chamber heads. Exhaust Crossover Port Matchings.
Wallace Racing-Drag Racing Pontiac powered Firebirds,Trans …
http://wallaceracing.com/
Pontiac Starter Numbers NEW! MR-1 Heads Up Class Race at Pontiac Tri-Power Nationals Coming Aug 3-4-5, 2018 ! Calc Engine Size For MR-1 Heads Up Race From Wally Becker: Kevin Swaney built the engine in my 70 judge street car and I race it a few times a year. The build is 7 years old now and about 16000 street miles.
Wallace Racing - Pontiac Cylinder Head List
http://wallaceracing.com/head.htm
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.
The Ultimate Pontiac Head - Wallace Racing
http://wallaceracing.com/ultimatehead.htm
The. Ultimate. Head: Part II . In our last issue, we began our foray into the world of airflow, as. it occurs inside Pontiac cylinder heads. We were armed with a 400-cfm laminar flow element (powered by six 1.5 hp vacuum cleaner motors), two graduated vertical manometers to measure atmospheric pressure, an incline manometer to measure actual airflow, and a velocity probe.
Wallace Racing's Pontiac Cylinder Head Search
http://wallaceracing.com/cgi-bin/head.cgi
Wallace Racing - Engine Code Charts
http://wallaceracing.com/engine1.htm
Engine Code Chart. HOME. If you know the code number, try my new Engine search. These codes below may not be as accurate as my Engine Code Search page in link above.
Calculators by Wallace Racing
http://mobile.wallaceracing.com/
Calculators by Wallace Racing. ET - HP Calculators; Convert ET To Today's Condition; 1/4 Mile Stats Calculator; Another 1/4 Mile Stats Calculator; ... Head - Exhaust Calculators; Air/Fuel Ratio Converter; Throttle Blade Diameter for Individual Runner Intake; Header Tube Length Calculator;
Pontiac Head | Hot Rod Forum
https://www.hotrodders.com/threads/pontiac-head.188696/
latech, You have to check the date code of the head. There were no 72 cc 46 heads in 73-74. Pontiac used the same numbers, in different years, for heads with different specs. Go to the Wallace site http://www.wallaceracing.com/headsearch.htm and scroll down to the drawing for code locations. Casting for a model year generally started in July of the previous year, thus …
Pontiac Cylinder Head Casting Numbers - Ken's Auto …
https://sites.google.com/site/kensautomachineshop/technical-information/pontiac-technical-information/pontiac-cylinder-head-casting-numbers
The 6X head was installed on the 350, 400 and 455 Engines during the mid to late 70's. The Boss Stamping to determine the cc's of the 6X heads are as follows: A # 4 is 91 cc's (Installed on both...
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