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Home >> Chevrolet >> 1998 >> C3500 HD 7.4 J, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 53 (Engine Controls - Service & Adjustment Specifications - 4.3L) >> Mechanical Checks >> Engine Compression

Engine Compression

WARNING: This page is about a different car, the 1998 GMC Pickup and 1998 Chevrolet Pickup. However, it is still accessible from the selected car via links, so may be relevant.
COMPRESSION SPECIFICATIONS

Application Specification
Compression Ratio 9.2:1
Normal Compression Pressure (1)
Minimum Compression Pressure (1)
(1) Lowest compression reading should not be less than 70 percent of highest compression reading. No cylinder compression reading should be less than 100 psi 7 kg/cm2 ).
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