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Re: Performing an actual cylinder leak down test
Posted to Technical Discussion Forum on 10/4/2022 9 Replies

Hi Ed,

A timing light, what's that used for? LOL. (I still use mine a lot, but mostly on old gasoline tractors.)

I'm glad you mentioned the broken valve spring issue. GM (and some other makes) beehive springs will make a person guess for a while. They main... Login to read more.

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