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Home >> Chrysler >> 1966 >> Newport Not Available, 7.2L Eng, Not Available Trans >> Repair and Diagnosis >> Engine Performance >> Tune-Up >> Tune-Up >> Engine Identification >> Compression Pressors

Compression Pressors

Check pressure with engine warm, plugs removed, throttle valve wide open, at cranking speed. 

Engine Pressure (Lbs.) (1) Variation (Lbs.)
383" 2-Bbl. 125-155 20
383" & 440" 4-Bbl. 130-165 25
(1) Maximum variation between cylinders.
VALVE TAPPET CLEARANCE

All Engines (1) Zero Lash, Hydraulic
(1) Clearance between valve stern tip and rocker arm pad should be.060-.210".
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