Piston, Engine

Ford does not provide any information reqarding service or torque specifications for the short block.

Diameter (1)	3.444-3.445
Diameter (2)	3.4452-3.4456
Diameter (3)	3.444-3.446
Piston to Bore Clearance	0.0009-0.0017
Ring Groove Width-top	0.0473-0.0747
Ring Groove Width-2nd	0.0473-0.0474
Ring Groove Width-Oil	0.0984-0.0985
Piston Skirt coating thickness	0.0003-0.0007 in