MODEL F140
CYLINDER F140
Type |
Size |
Max. Taper |
Bore in |
3.1895 |
.008 |
Block |
3.1875 |
- |
PISTON F140
Pin Hole Dia. |
Ring Grove Diameter |
Ring Grove Width |
Fit In Cyl. Bore |
||||||
1st |
2nd | 3rd | 4th | 1st | 2nd | 3rd | 4th | ||
.8594 | 2.860 | 2.860 | 2.860 | 2.820 | .1265 | .126 | .126 | .251 | .003X1/2"Gage |
.8592 | 2.850 | 2.850 | 2.850 | 2.810 | .1255 | .125 | .125 | .250 | 5-10 lbs. |
Diameter At Bottom Of Piston Skirt |
|||||||
A3 | A2 | A1 | A | AA | B | BB | C |
3.1852 | 3.1857 | 3.1862 | 3.1867 | 3.1872 | 3.1877 | 3.1882 | 3.1887 |
PISTON PIN F140
Pin Diameter |
Dia. Hole In Rod |
Finished Pin Bushing |
Pin Fit In Piston |
Clearance In Bushing |
|
Possible |
Desired |
||||
.8593 | .914 | .8597 | Lite Push Fit | .0006 | .0004 |
.8591 | .913 | .8595 | Piston Heated To 160°F | .0002 | - |
PISTON RING F140
Type Of Ring | Groove Position | Width | Thickness | Gap Clearance | Side Clearance |
Taper Face | 1 | .124 | .147 | .017 | .0035 |
Compression | .123 | .137 | .007 | .0015 | |
Taper Face | 2 | .124 | .147 | .017 | .0035 |
Compression | .123 | .137 | .007 | .0015 | |
Taper Face | 3 | .124 | .147 | .017 | .0035 |
Compression | .123 | .137 | .007 | .0015 | |
Ventilated | 4 | .249 | .145 | .016 | .0025 |
Oil Control | .2485 | .135 | .008 | .001 |
VALVE GUIDE F140
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 |
.6575 | ..6575 | .3432 | 1-15/32 | 1-15/32 | .0026 | .0055 | .0015 | .0045 |
.6565 | .6565 | .3422 | - | - | .0008 | .0037 | - | - |
INTAKE VALVE F140
Stem Diameter | Max. Stem Wear | Minimum Margin | Face Angle | Clearance Limits | Desired Clearance |
.3414 | .002 | .1/32 | 30° | .0026 | .0015 |
.3406 | - | - | - | .0008 | - |
EXHAUST VALVE F140
Stem Diameter | Max. Stem Wear | Minimum Margin | Face Angle | Clearance Limits | Desired Clearance |
.3385 | .002 | 1/32 | 44° | .0055 | .0045 |
.3377 | - | - | - | .0037 | - |
VALVE SEAT (INTAKE) F140
Seat Angle | Seat Width | Stone Size | Narrow Stone | Stone Diameter |
30° | 1/16 | 30° | 15° -70° | 1 5/8 |
VALVE SEAT (EXHAUST) F140
Seat Angle | Seat Width | Stone Size | Narrow Stone | Stone Diameter |
45° | 3/32 | 45° | 15° -70° | 1 3/8 |
VALVE SPRING F140
Free Length | Valve Closed | Valve Open | ||
Spring Length | Spring Loaded | Spring Length | Spring Loaded | |
2 1/16 | 1 45/64 | 47-53 lbs. | 27/64 | 96-104 lbs. |
CAMSHAFT F140
Bearing Journal Diameter | Tappet Hole Diameter | Tappet Diameter | Clearance Limits | End Play | ||
Front | Center | Rear | ||||
1.8725 | 1.7465 | 1.2475 | 1.0005 | .9995 | .0015 | .006 |
1.8715 | 1.7457 | 1.2465 | 1.0000 | .9990 | .0005 | .004 |
CAMSHAFT BEARINGS F140
Inside Diameter | Clearance Limits | Oil Pump Backlash | ||||
1 | 2 | 3 | 1 | 2 | 3 | |
1.8755 | 1.7502 | 1.2505 | .004 | .0045 | .004 | .0065 |
1.8745 | 1.7495 | 1.2495 | .002 | .003 | .002 | .005 |
CONNECTING ROD F140
Side Play | Bearing Journal Size | Bearing Clearance | Desired Clearance | |
Possible | Desired | |||
.006 | .007 | 1.9375 | .0022 | .001 |
.009 | - | 1.9365 | .0002 | - |
CRANKSHAFT F140
Thrust On Front Main Bearing | End Thrust | Bearing Journal Size | Bearing Clearance | Desired Clearance | Flywheel Run Out |
.006 | 2.250 | .0024 | .0015 | .008 | |
.004 | 2.249 | .0002 | - | - |
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