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Original Message
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| RE: Turning a crankshaft |
| By Travis Miller - 10/24/2001 10:10:52 AM; IP 152.163.197.72 |
| Crankshafts can be turned down safely as far as there are bearings available. At the NHRA INDY US Nationals this year, we had both the winner and runner up in the SS/AA Hemi Shootout pull a piston and rod out of the engine during teardown. We measured the crankshaft journal size to make sure that they had not turned the crank down to fit in smaller rods. It is not unusual for highly modified cranks to be turned down nearly .250 for lighter, smaller sized rods. And engines done like that turn 9,000 RPMs or more safely. |
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