MODEL JD382
CYLINDER JD382
Type | Size | Maximum Taper | Above Block |
Wet Sleeve | 4.502 | .008 | .004 |
- | 4.500 | - | .0015 |
PISTON JD382
Pin Hole Diameter | Ring Groove Diameter | Ring Groove Width | Fit In Cylinder Bore | ||||||||
1st | 2nd | 3rd | 4th | 5th | 1st | 2nd | 3rd | 4th | 5th | ||
1.500 | 4.003 | 4.086 | 4.086 | 4.047 | 4.047 | .129 | .128 | .128 | .253 | .1905 | .003X1/2"Gage |
1.4998 | 3.993 | 4.076 | 4.076 | 4.037 | 4.037 | .128 | .127 | .127 | .252 | .1895 | 5-10 lbs |
Diameter At Top Of Piston | Diameter At Bottom Of Piston | ||||||||
A | AA | B | BB | C | A | AA | B | BB | C |
4.49595 | 4.49645 | 4.49695 | 4.49745 | 4.49795 | 4.4972 | 4.4977 | 4.4982 | 4.4987 | 4.4992 |
PISTON PIN JD382
Pin Diameter | Diameter Hole In Rod | Finished Bushing Diameter |
Pin Fit In Piston |
Clearance In Bushing |
|
Possible |
Desired |
||||
1.500 | 1.6249 | 1.5005 |
Lite Push Fit With Piston Heated To 160°F |
.0007 | .0005 |
1.4998 | 1.6239 | 1.5003 | .0003 | - |
PISTON RINGS JD382
Type Of Ring | Groove Position | Width | Thickness | Gap Clear | Side Clear |
Plain | 1 | .124 | .225 | .020 | .005 |
Compression | .123 | .215 | .012 | .003 | |
Taper Face | 2 | .124 | .183 | .023 | .004 |
Compression | .123 | .173 | .013 | .002 | |
Taper Face | 3 | .124 | .183 | .023 | .004 |
Compression | .123 | .173 | .013 | .002 | |
Ventilated | 4 | .2490 | .183 | .020 | .0045 |
Oil Control | .2485 | .173 | .010 | .003 | |
Ventilated | 5 | .1865 | .183 | .020 | .0045 |
Oil Control | .1860 | .173 | .010 | .003 |
VALVE GUIDE JD382
Outside Diameter | Stem Hole Diameter | Valve Seat Face To Top Of Guide | Valve Stem Clearance Limits |
Desired Stem Clearance |
||||
Intake |
Exhaust | Reamed | Intake | Exhaust | Intake | Exhaust | Intake | Exhaust |
.752 | .752 | .4365 | .2 9/64 | 1 19/64 | .0021 | .0037 | .0015 | .0025 |
.751 | .751 | .4360 | - | - | .0008 | .0008 | - | - |
INTAKE VALVE JD382
Stem Diameter | Maximum Stem Wear | Minimum Margin | Face Angle | Clearance Limits | Desired Clearance |
.4352 | .002 | 1/32 | 44° | .0021 | .0015 |
.4344 | - | - | - | .0008 | - |
EXHAUST VALVE JD382
Stem Diameter | Maximum Stem Wear | Minimum Margin | Face Angle | Clearance Limits | Desired Clearance |
.4325 | .002 | 1/32 | 44° | .0037 | .0025 |
.4315 | - | - | - | .0019 | - |
VALVE SEAT (INTAKE) JD382
Seat Angle | Seat Width | Stone Size | Narrow Stone | Stone Diameter |
45° | 3/32 | 30° | 15°-70° | 1 7/8 |
VALVE SEAT (EXHAUST) JD382
Seat Angle | Seat Width | Stone Size | Narrow Stone | Stone Diameter |
45° | 3/32 | 45° | 15°-70° | 1 5/8 |
VALVE SPRING JD382
Free Length |
Valve Closed |
Valve Open |
||
Spring Length | Spring Load | Spring Length | Spring Load | |
2 3/8 | 1 7/8 | 58-64 lbs | 1.521 | 115-123 lbs. |
CAMSHAFT JD382
Bearing Journal Diameter |
Tappet Hole Diameter |
Tappet Diameter |
Clearance Limits |
End Play |
||
Front | Center | Rear | ||||
2.1225 | 1.7465 | 1.6840 | 1.0008 | .9985 | .0033 | .009 |
2.1220 | 1.7460 | 1.6835 | 1.0000 | .9975 | .0015 | .005 |
CAMSHAFT BEARINGS JD382
Inside Diameter |
Clearance Limits |
Oil Pump Backlash |
||||
1 | 2 | 3 | 1 | 2 | 3 | |
2.1260 | 1.750 | 1.6875 | .004 | .004 | .004 | .010 |
2.1250 | 1.749 | 1.6865 | .0025 | .0025 | .0025 | .008 |
CONNECTING ROD JD382
Side Play |
Bearing Journal Size |
Bearing Clearance |
Desired Clearance |
|
Possible | Desired | |||
.0105 | .008 | 2.7495 | .0028 | .002 |
.0065 | - | 2.7485 | .0008 | - |
CRANKSHAFT JD382
Thrust On Front Main Bearing |
End Thrust |
Bearing Journal Size |
Bearing Clearance |
Desired Clearance |
Flywheel RunOut |
.008 | 3.251 | .0027 | .0015 | .008 | |
.005 | 3.250 | .0005 | - | - |
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