C 2500 3/4 Ton Pickup 2WD L6-292 4.8L VIN T 1-bbl (1982)
Compression Check: Specifications
Minimum, 698 kPa (100 psi) @ 200 rpm.
The lowest cylinder reading should not be less than 80% of the highest. Perform compression test with engine at normal operating temperature, spark
plugs removed and throttle wide open.