Operation CHARM: Car repair manuals for everyone.

Piston, Engine

Piston Diameter
Measure on skirt 40 mm (1.57 in) down from face of piston dome.
Coded Red 3.7780-3.7785 Inch (in)
Coded Blue 3.7785-3.7790 Inch (in)
Coded Yellow 3.7790-3.7795 Inch (in)
Piston-to-Bore Clearance (Select Fit) 0.001-0.002 Inch (in)
Service Piston Selection Bore Size
Use bore measurement perpendicular to crank centerline.
3.7795-3.7800 inch Red
3.7800-3.7805 inch Blue
3.7805-3.7810 inch Yellow
Pin Bore Diameter 0.9126-0.9128 Inch (in)
Ring Groove Width Compression (Top) 0.0600-0.0605 Inch (in)
Compression (Bottom) 0.0600-0.0605 Inch (in)
Oil 0.1193-0.1203 Inch (in)