Hot Rod Forum : Hotrodders Bulletin Board - View Single Post - 350 vs 400 pontiac engine ID
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Old 05-25-2013, 09:05 PM
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WDCreech WDCreech is offline
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Quote:
Originally Posted by 1badLemans View Post
If all else fails pull the intake off and the "400" or the "350" will be cast into the lifter valley and be plain as day.
"00" would be for a 400, "50" for a 350, and "55" for a 455. They didn't cast the whole number in the lifter galley. The easiest thing is to get the block casting number or the block date code & the block code that is stamped into the front of the block just under the passenger side head. Post those numbers and we can tell you exactly what you have.




Last edited by WDCreech; 05-25-2013 at 09:21 PM.
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