3.12
ENGINE
Table 3-2: Engine Specifications
MAIN COMPONENTS: CYLINDER/PISTON/
C
ONNECTING ROD
EH068OLE EH076OLE
Cylinder
Cylinder - Surface warp limit
(mating with cylinder head)
0.004" (0.10 mm) 0.004" (0.10 mm)
Cylinder Bore - Standard 3.1495" (80 mm) 3.1495" (80 mm)
Cylinder Taper Limit 0.00031" (0.008 mm) 0.00031" (0.008 mm)
Cylinder Out of Round Limit 0.00030" (0.0075 mm) 0.00030" (0.0075 mm)
Cylinder to Piston Clearance
.0015"  .00059"
(.040  .015mm)
.0015"  .00059"
(.040  .015mm)
Lifter
Lifter Outer Diameter
Standard
0.84245"  0.00025"
(21.39 8  0.00635 mm)
0.84245"  0.00025"
(21.39 8  0.00635 mm)
Lifter Block Bore
0.8438"  0.00062"
(21.4322  0.0157 mm)
0.8438"  0.00062"
(21.4322  0.0157 mm)
Piston
Piston - Standard
3.1477"  .000121"
(79.954  .003mm)
3.14803" + .00028"
(79.960 + .007 mm)
Piston Standard Inner
Diameter of Piston Pin Bore
0.78789"  .00009"
(20.0125  0.003 mm)
0.70902"  .00012"
(18.009  0.003 mm)
Piston Pin
Piston Pin Outer Diameter
0.7874" - 0.7872"
(20 - 19.995 mm)
0.70866" - 0.70846"
(18 - 17.995 mm)
Piston Pin - Standard
Clearance - Piston Pin to Pin
0.00059"  0.0002"
(0.015  0.005 mm)
0.00047"  0.00024"
(0.012  0.006 mm)
Piston Pin - Degree of Fit
Piston pin must be a push fit
(by hand) at 68î™± F (20î™± C)
Piston pin must be a push fit
(by hand) at 68î™± F (20î™± C)