standard CR?

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Dec 5, 2011 | 11:55 PM

jimbojones1000

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From: dorset

standard CR?

Whats the standard compression ratio on an 08 sti EJ257 EDM?

thanks

I did search, but i couldn't find the answer, same with google, as i dont know if the EDM,JDM, and USDM are the same.

Last edited by jimbojones1000; Dec 6, 2011 at 07:40 AM.

Dec 6, 2011 | 03:57 PM

frayz

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From: "Engineering Perfection in Essex"

If its the same as the USDM of which i suspect it is. 8.2:1 if i remember correctly.

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