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sweetwillie9
I watched NASCAR once
| Posts: 3
| Joined: 05/08
Posted: 05/29/08
10:09 AM
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I will be running a Hobby Stock on a 1/2 mile asphalt track. I will be running a GM 602 350cid crate motor (350 HP @ 5000 RPM's/390 torque @ 3800 RPM's). I have a 3 speed Saginaw connected to a ford 9 inch with 5.67 gears. I have ran the car before with a built 350 and turned 6000 RPM's in 3rd gear. I need to bring the RPM's closer to 5000 RPM's, any guesses as to what gear ratio I should change to? Any answers will be greatly appreciated.
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race-x
I watched NASCAR once
| Posts: 3
| Joined: 02/08
Posted: 06/03/08
10:08 AM
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We run the same combination on a 1/2 mile banked asphalt track with 85" tires and a 4.86 gear. We hit about 5800 at the end of the straight. The 602 can handle about 6200-6300 RPMS without a problem.
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sweetwillie9
I watched NASCAR once
| Posts: 3
| Joined: 05/08
Posted: 06/04/08
05:10 AM
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I really appreciate your help, I will try those and see what happens. Thanks
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