Compression Test on Ls1 C5
#1
Compression Test on Ls1 C5
My buddy has a C5 with an Ls1. He had a little problem and we want to do a compression test to make sure everything internal is up to par. How many PSI should I see on a healthy motor. I have searched everywhere and found nothing. Also, what is safe to be disconnected so the engine will turn over and not fire. TIA any tips would be appreciated.
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