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Home >> Jeep >> 1971 >> Jeepster Commando, 3.7L Eng >> Repair and Diagnosis >> Engine Performance >> Tune-Up >> Tune-Up >> Compression Pressure

Compression Pressure

F4 120-130 lbs.
V6 (1)
232" 145 lbs.
258" 185 lbs.
304" V8 185 lbs.
350" VS (1)
360" VS 185 lbs.
(1) On these engines, compression pressure is satisfactory if lowest reading cylinder is more than 75% of highest reading cylinder.