Is it true that depending on the equipment used, a compression test may
vary quite a bit?  Like up to 50?

jg

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SENT 05-30-97 FROM SMTPGATE (David.Rodenhiser@East.Sun.COM)

> You can get some idea if it is rings or valves by
> adding a tsp of oil to the cylinder and repeating the compression test.
>  Think compression will go up with oil if it is the rings  but maybe someone
> can confirm this.

This is correct.