Engine Brand: Ford
Engine Family: FE Ford
Engine Size: 390
With/Without Rings: Without Rings
Cylinder Bore Size: 4.090 in - 103.80 mm
Ring Width: 1/16-1/16-3/16"
Compression Height: 1.775
Pin Diameter: .975
Connecting Rod Length: 6.489 in
Crankshaft Stroke: 3.784 in
Piston Series: 1 - FX Series
Alloy: Forged 4032
Cylinder Head: FE Ford
TDC Assembly Height: 10.156
Piston Top Aprox. Comp. Ratio:
Chamber | Comp Ratio |
---|---|
65cc | 11.37 to 1 |
72cc | 10.52 to 1 |
76cc | 10.1 to 1 |
Engine Brand: Ford
Engine Family: FE Ford
Engine Size: 390
With/Without Rings: Without Rings
Cylinder Bore Size: 4.090 in - 103.80 mm
Ring Width: 1/16-1/16-3/16"
Compression Height: 1.775
Pin Diameter: .975
Connecting Rod Length: 6.489 in
Crankshaft Stroke: 3.784 in
Piston Series: 1 - FX Series
Alloy: Forged 4032
Cylinder Head: FE Ford
TDC Assembly Height: 10.156
Piston Top Aprox. Comp. Ratio:
Chamber | Comp Ratio |
---|---|
65cc | 11.37 to 1 |
72cc | 10.52 to 1 |
76cc | 10.1 to 1 |