[s-cars] RE: Engine Compression Test (Hot or Cold?)

[Igor Kessel]

"James Murray (LMC)" wrote:
>
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> Meant to have the subject say "Hot or Cold"
>
>                 -----Original Message-----
>                 From:   James Murray (LMC)
>                 Sent:   November 25, 2002 9:44 AM
>                 To:     's-car-list at audifans.com'
>                 Subject:        Engine Compression Test (Warm or Hot?)
>
>                 Does a compression test need to be done while the engine is warm? Or can it be done while cold?
>
>                 I did one while the engine was cold and got a fairly consistant 11 or 11.5 bar on all 5 cylinders. Specifications are between 9 Bar and 13 Bar and the wear limit is supposed to be 7 Bar, while max difference between cylinders is 3 Bar.
>
>                 Just wondering if I need to re-run the test to ensure I got valid data?
>
>                 Cheers, /James
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Warm engine, injectors disconnected, all spark plugs removed, throttle
wide open.

--
Igor Kessel
two turbo quattros