Compression specs on '95 4.2L

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Author Message   R. N. Katz (Rangierog) New Member Username: Rangierog Post Number: 7 Registered: 09-2003 Posted on Monday, October 13, 2003 - 06:16 am:    anyone know the compression specs on the '95 4.2L motor? I'm getting a PPI done on a '95 LWB and planning to have a compression/leakdown done. I searched the archives and can't find spec-compression numbers. What am I looking for?   A. Ali (Alia176) Member Username: Alia176 Post Number: 120 Registered: 03-2003 Posted on Saturday, November 29, 2003 - 10:37 am:    I believe it's 9.35 to 1 is the compression ratio.