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Home >> GMC >> 1999 >> C3500 HD 6.5 F, Automatic >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Engine Mechanical - 4.3L V6, 5.0L, 5.7L & 7.4L V8 - VINS [W,X,M,R,J]) >> Engine Specifications >> Pistons, Pins & Piston Rings (7.4L)

Pistons, Pins & Piston Rings (7.4L)

WARNING: This page is about a different variant/trim than selected.
PISTONS, PINS & RINGS (7.4L)

Application In. (mm)
Piston Clearance .0018-.0048 (.046-.219)
Pin Diameter .9895-.9897 (25.133-25.137)
Piston Fit .0002-.0007 (.005-.017)
Rod Fit .0021-.0031 (.053-.079) Interference
Rings
No. 1
End Gap .01-.018 (.254-.457)
Side Clearance .0012-.0029 (.031-.074)
No. 2
End Gap .016-.024 (.406-.609)
Side Clearance .001-.0029 (.025-.074)
No. 3 (Oil)
End Gap .01-.03 (.254-.76)
Side Clearance .005-.0065 (.127-.165)