Piston, Engine

Engine Liter/CID 7.4L/V8-454

All specifications given in inches.

Piston Diameter (Std.) [01] 4.2465-4.2485
Piston Clearance 0.0030-0.0042
Piston Pin Diameter (Std.) 0.9894-0.9897
Pin To Piston Bore Clearance 0.0002-0.0007
Piston Rings
End Gap [02]
Comp. [18]
Oil 0.01
Side Clearance
Comp. 0.0012-0.0029
Oil 0.005

[01] Measured at 90 deg. angle to piston pin.
[02] Minimum.
[18] Top, 0.010-0.018 inch; second, 0.016-0.024 inch.