Compression Ratio

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Dec 13, 2004

hotrodcivic2004

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my civic has no boost

Joined: Dec 2004

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From: Toledo, Ohio

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Compression Ratio

Do i have to get new pistons in order to increase my compression ratio? I have searched but found nothing. Or is it just in the ECU. Thanks.

Dec 13, 2004

SMX

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Either that or mill your heads. Compression ratio is based on crank stroke, gasket thickness, deck height, piston type (pop-up, flat or dished) and cylinder head volume.

Dec 13, 2004

hotrodcivic2004

Thread Starter

my civic has no boost

Joined: Dec 2004

Posts: 1,424

Likes: 0

From: Toledo, Ohio

Rep Power: 0

thanks smx

Dec 13, 2004

SMX

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From: Bay Area, California

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Good article here...

http://www.hotrod.com/techarticles/54258/

Dec 13, 2004

gearbox

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Although milling the head is easier, domed pistons are the proper (and more expensive) way to do it.

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