5.6
ENGINE
CYLINDER / PISTON (IN. / MM)
Cylinder
Cylinder - Surface warp limit
(mating with cylinder head)
0.004" (0.10 mm)
Cylinder Bore - Standard 3.4252" ± .0005 (87 mm ± .01mm)
Cylinder Out of Round Limit 0.0003" (0.0075 mm)
Cylinder to Piston Clearance .0021" ± .0013" (.053 ± .03mm)
Piston
Piston - Standard O.D. - Measured 90 degrees to
pin, 1.3 in. (33.0 mm) down from piston crown.
3.4231" ± .0008" (86.947 ± .02 mm)
Piston Pin Bore I.D. (Standard) 0.7877" ± .0002" (20.007 ± .004 mm)
Piston Pin
Piston Pin Outside Diameter 0.7873" ± .0001" (19.9975 ± .0025 mm)
Piston Pin - Standard Clearance - Piston Pin to
Pin Bore
0.0004" ± .0002" (0.0095 ± 0.0065 mm)
Piston Pin - Degree of Fit Piston pin must be a push fit (by hand) at 68° F (20° C)
PISTON / RINGS / CONNECTING ROD / CRANKSHAFT (IN. / MM)
Piston Ring
Installed
Gap
Top Ring - Standard 0.008” - 0.014” (0.20 - 0.36 mm)
Top Ring - Service Limit 0.016” (0.41 mm)
Second Ring - Standard 0.014” - 0.024” (0.36 - 0.61 mm)
Second Ring - Service Limit 0.032” (0.81 mm)
Oil Ring Rails - Standard 0.020” ± 0.010” (0.51 ± 0.25 mm)
Oil Ring Rails - Service Limit 0.032” (0.81 mm)
Ring to
Groove
Clearance
Top Ring - Standard 0.0024” ± 0.0008” (0.060 ± 0.020 mm)
Second Ring - Standard 0.0028” ± 0.0008” (0.070 ± 0.020 mm)
Connecting Rod
Connecting Rod Small End I.D. 0.7886” + 0.000 / - .015” (20.030 + 0.000 / - .015 mm)
Connecting Rod Small End
Diametral Clearance
0.00098” ± .0004” (0.025 ± 0.010 mm)
Connecting Rod Big End
Side Clearance
0.012” ± 0.0039” (0.30 ± .10 mm)
Connecting Rod Big End
Diametral Clearance
0.0098” - .0023” (0.025 - .059 mm)
Crankshaft
Cranksh
aft Runout Limit (See procedure)
PTO End Less than .001” (0.025 mm)
MAG End Less than .001” (0.025 mm)
Main Journal Diameter (Standard) 2.1642” - 2.1649” (54.97 - 54.99 mm)
Connecting Rod Journal Diameter (Standard) 1.7718” - 1.7726” (45.005 - 45.025 mm)
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