Chevrolet Workshop Service and Repair Manuals

Piston: Specifications

Engine Liter/CID [03] .....................................................................................................................................................................................  6.5L/V8-397

All specifications given in inches.

Piston Diameter (Std.) [01] ...........................................................................................................................................................................................  [20]
Piston Clearance ............................................................................................................................................................................................................  [19]
Piston Pin Diameter (Std.) ............................................................................................................................................................................  1.2212-1.2216
Pin To Piston Bore Clearance ......................................................................................................................................................................  0.0004-0.0006
Piston Rings

End Gap [02]

Comp. ...................................................................................................................................................................................................  0.0100-0.0200
Oil .........................................................................................................................................................................................................  0.0100-0.0200

Side Clearance

Comp. ...................................................................................................................................................................................................  0.0015-0.0031
Oil ...........................................................................................................................................................................................................  0.0015-0.003

[01] Measured at 90 deg. angle to piston pin.
[02] Minimum.
[03] Diesel engine.
[19] Cyls. 1-6, 0.0037-0.0047 inch; cyls. 7 & 8, 0.0042-0.0052 inch.
[20] Production standard, piston No. 1-6: 4.051-4.0578 inches; piston No. 7 & 8: 4.0576-4.0583 inches.