Usage:
(1) Clearance between top ring and groove ... .0050-.0064 in.(0,127-0,163 mm)
Maximum permissible clearance of worn ring and groove ... .014 in.(0,355 mm)
(2) Clearance between center ring and groove ... .0030-.0048 in.(0,076-0,122 mm)
(3) Clearance between oil control ring and groove ... .0015-.0031 in.(0,038-0,079 mm)
(4) Bore for pin in piston ... 2.4503-2.4509 in.(62,238-62,253 mm)
Clearance between pin and bore in piston ... .0003-.0012 in.(0,008-0,030 mm)
Maximum permissible clearance between worn pin and worn bore ... .002 in.(0,05 mm)
Ring gap measured in unworn part of liner bore size 6.250 in. (158,75 mm)*:
Top ring ... .025-.031 in.(0,64-0,79 mm)
Center ring ... .023-.033 in.(0,58-0,84 mm)
Oil ring ... .018-.028 in.(0,45-0,71 mm)
Ring gap measured in unworn part of liner bore size 6.252 in. (158,801 mm)*:
Top ring ... .031-.037 in.(0,79-0,94 mm)
Center ring ... .029-.039 in.(0,74-0,99 mm)
Oil ring ... .024-.034 in.(0,61-0,86 mm)
*Increase in ring gap for each .001 in. (0,025 mm) increase in liner bore is .003 in. (0,076 mm).