LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Buick >> 1985 >> Regal V6-260 4.3L DSL >> Repair and Diagnosis >> Specifications >> Pressure, Vacuum and Temperature Specifications >> Compression Check
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Compression Check

Minimum, 2068 kPa (300 psi) @ 200 rpm. The lowest reading cylinder should not be less than 80% of the highest. Perform compression test with engine at normal operating temperature, glow plugs removed and throttle wide open.