Graham 1940s General Specs
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| Year | Prod Total |
Model Designation |
Wheel base Inches |
Valve Location |
Bore and Stroke |
Piston Dis place ment Cubic Inches |
Com pres sion Ratio (Stan dard) |
Maximum Brake H.P. @ R.P.M. |
Spark Plug Gap |
Point Gap |
Firing Order |
Ignition Timing BTDC or Mark |
Grnd +/- Volts |
|
| 1940 | 2,859 | De Luxe 6 | 108 | 120 | In Head | 3 1/4 x 4 3/8 | 217.8 | 6.40 | 93 @ 3800 | .025 | .020 | 153624 | TDC mark on Flywheel | +6 |
| Custom 6 | 108 | 120 | In Head | 3 1/4 x 4 3/8 | 217.8 | 6.40 | 93 @ 3800 | .025 | .020 | 153624 | TDC mark on Flywheel | +6 | ||
| Supercharger 6 | 107 | 120 | In Head | 3 1/4 x 4 3/8 | 217.8 | 6.70 | 120 @ 4000 | .025 | .020 | 153624 | EX-CL mark on Flywheel | +6 | ||
| 1941 | Custom 6 | 108 | 120 | In Head | 3 1/4 x 4 3/8 | 217.8 | 6.40 | 95 @ 3800 | .025 | .020 | 153624 | TDC mark on Flywheel | +6 | |
| Supercharger 6 | 107 | 120 | In Head | 3 1/4 x 4 3/8 | 217.8 | 6.70 | 124 @ 4000 | .025 | .020 | 153624 | EX-CL mark on Flywheel | +6 | ||
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