racerx Posted May 21, 2008 Report Share Posted May 21, 2008 what is compression for a stock L18, not ratio I'm looking for psi. Thanks...RacerX Quote Link to comment
datsun dreamer Posted May 22, 2008 Report Share Posted May 22, 2008 620 Resource:D Stock L18 1770 CC 1973-1974 PL-620................. Cranking comp 171 PSI Oil Pressure 45-50 PSI Quote Link to comment
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