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Re: Running Compression Test Broke my Snap-On Gauge!
Posted to Technical Discussion Forum on 6/11/1999 2 Replies

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Bill, I just burp the guage every so often to get accurate readings. Readings for a V-8 I just did were about 50-60PSI at idle and snap test should be 80% of cranking compression. High reading indicat... Login to read more.

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