LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Compression Calc.

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Old May 6, 2003 | 05:32 PM
  #1  
PoorMan's Avatar
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From: Lousiana
Compression Calc.

Anyone got a site on engine math? What to figure what my compression will be when I get my heads worked on. Needing to know some figures on what milling various amounts off the head lowers the chamber volume too. Then taking this number with gasket thickness to determine compression on a stock LT1 bottom end. BTW, what's stock compression anyway?

Thanks
Jeff D.
Old May 6, 2003 | 05:56 PM
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Here ya go....

http://www.smokemup.com/auto_math/index.php

It takes off about 1.5 cc of chamber volume for every .010" milled off the heads.

Stock LT1 compression is 10.4:1.
Old May 6, 2003 | 11:04 PM
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PoorMan's Avatar
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Thanks for the reply

That helps alot.

Jeff D.
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