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Big Block Clones LLC
60mm Stroke Crankshaft for Small Block GX Clone
60mm Stroke Crankshaft for Small Block GX Clone
Regular price
$104.95 USD
Regular price
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$104.95 USD
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The final word in small block stroker builds!
For serious engine builders only!
Forged steel 60mm stroke crankshaft for the GX200 and clone engines. This crankshaft will require clearancing of the block and camshaft.
Rod Journal Diameter: 1.181"/30mm (GX200/Clone)
Flywheel Taper: GX200/Clone
Displacement:
- 70mm bore = 231cc
- 72mm bore = 244cc
- 76mm bore = 272cc
Here are some rotating assembly combinations that you can build with our cranks and our 72mm bore block:
| Rotating assemblies with either "550" or .640 pistons | BORE X STROKE | DISPLACEMENT | PISTON CROWN DISTANCE TO DECK AT TDC | Rod/Stroke Ratio |
| 58mm Crank + ARC 6256 - 3.328" | 72mm x 58mm | 236cc | 0.008" under the deck | 1.46:1 |
| 59mm crank + ARC 6269 - 3.313" | 72mm x 59mm | 240cc | 0.003" under the deck | 1.42:1 |
| 60mm Crank + ARC 6270 - 3.303" | 72mm x 60mm | 245cc | 0.005" above the deck | 1.40:1 |
| *Above uses 72mm "550" compression height flat top piston | ||||
| 58mm Crank + ARC 6234 - 3.595" | 72mm x 58mm | 236cc | 0.007" under the deck | 1.57:1 |
| 59mm Crank + ARC 6234 - 3.595" | 72mm x 59mm | 240cc | 0.013" above the deck | 1.54:1 |
| *Above uses Wiseco 17-2835XC .640"CH 3 ring piston | ||||
| 60mm Crank + ARC 6234 - 3.595" | 72mm x 60mm | 245cc | 0.030" above the deck | 1.52:1 |
| *Above uses Wiseco 11132P273 .640"CH 2 ring piston | ||||
| **Always maintain a minimum of 0.030" clearance between the bottom of the head and the top of the piston using the correct thickness head gasket** | ||||
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