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What compression should i have whit 8-8-1 cosworth piston ??

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Old May 24, 2014 | 05:34 AM
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Default What compression should i have whit 8-8-1 cosworth piston ??

Hi i need to Know What compression in psi should i have whit my cosworth 8-1 piston

I have 85-85-95-100 -100-100 psi
I think its way to Low but im not shure
Thx for your help
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Old May 24, 2014 | 05:43 AM
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Thread moved to Engine & Drivetrain
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Old May 24, 2014 | 07:50 AM
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didnt we go over this last week?

Put some oil in each clylinder (like a tablespoon) and see if the PSI value increases greatly for that cylinder.

15% variation...not good.

8 x 14.7 is around 117. Check that your gauge is PSI, if so add 14.7psi to your readings (if not PSIa).
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