compression tests - do you do it with engine warm or cold?

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Jun 3, 2014 | 08:47 PM

paceo

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From: west wickham - kent

compression tests - do you do it with engine warm or cold?

as title, just want to check compressions of my VR6 engine in PSI! you do it warm from memory if im right?

Jun 3, 2014 | 09:22 PM

Colin_P

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From: Berkshire

Both but better still a leak down test.

Jun 4, 2014 | 09:13 AM

stevieturbo

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From: Norn Iron

Warm is always preferable.

Jun 5, 2014 | 07:40 PM

Karlos G

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From: Suffolk

Warm IMO, most figures you'll find to reference are when up to operating temperature.

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