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Old 02-04-2013, 10:21 PM
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Originally Posted by demarques_191 View Post
i'm still a newbie to the engine building process as well as understanding it. Well, honestly i just want enough compression for power but i was always told you really dont need to go over 10.1 compression for a street engine, im not too familiar with the detonation etc and how it works knowing there are many factors that could be the culprit to detonation....i'm trying to use this site you posted now.... What would you recommend to get me right at 10.1 or less? and i know it can be done and still have great power ... after reading this website where they compared a 355 vs 383 355 & 383 Chevy Engine Performance Gain - Super Chevy Magazine

When you use magazine articles as references you can never forget they are in business to sell parts.The deal is you can throw out haft of it and wonder why the other haft has so many gaps in the story.One of the better sources is sites like this one.

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Old 02-04-2013, 11:56 PM
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building the right street setup for a 383 chevy

If you want to stay 10.1 or under static compression ratio you will need to get a rotating assembly like this Scat Engine Rotating Assemblies 1-40805 - SummitRacing.com The static compression ratio will be 9.474 with 64 cc heads, 0 deck, and .040 compressed gasket thickness. With .025 deck clearance and a .015 compressed thickness gasket for .040 quench the C.R. would be 9.507 with 64cc heads.
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