Pistons, Pins and Rings

Piston Diameter (Std.) 3.4430-3.4440 [01]
Piston Clearance 0.0010-0.0020
Piston Ring End Gap (Minimum)
Compression
Top 0.0100-0.0200
2nd 0.0110-0.0210
Oil 0.0150-0.0550
Piston Ring Side Clearance
Compression
Top 0.0015-0.0031
2nd 0.0015-0.0037
Oil 0.0080 [02]
All measurements given in inches, unless otherwise specified.


[01] -- Measured at right angle to piston pin, 1.87 inches from top of piston.
[02] -- Maximum.