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Old 02-23-2010, 11:56 PM
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Lightbulb Speed Potential Calculator for Ring Gear and Pinion Changes

This calculator is designed to give the potential speed values of a vehicle, based on the RPM of the engine, the ring gear and pinion gear ratio, the final transmission gear ratio and the tire diameter, ground to top of tire as mounted.

The default values are for a typical V8 small block Chevrolet vehicle, however you may enter any value you wish. The default values yield a highway cruise speed of about 65 MPH. The higher the RGP ratio, the lower the top end speed but faster acceleration and more pulling power. The same is true of the transmission final gear ratio. The higher the engine RPM, the greater the potential speed at the cost of fuel, heat, friction and engine longevity. Although there is a point of diminishing returns, the larger the tire diameter, the higher the potential speed.

Try the Speed Potential Calculator for Ring Gear and Pinion Changes
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Old 02-24-2010, 07:47 AM
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Good link , now stored in my favorites-- Thanks
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Old 02-24-2010, 07:59 PM
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Thanks for sharing that. Saved it.
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Old 02-24-2010, 08:50 PM
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Quote:
Originally Posted by Gregster View Post
Good link , now stored in my favorites-- Thanks
Me, too. thanks
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Old 07-14-2016, 08:05 PM
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Updated...
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Old 07-14-2016, 08:49 PM
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Well take a dump in a bucket! I just found out I don't have the rear gears I thought I had.... or my tach is WAY off.
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Old 07-14-2016, 09:53 PM
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Thanks for posting this. It's dead nuts on according to my GPS.
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Old 09-15-2017, 02:33 PM
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Updated...
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Old 09-15-2017, 05:29 PM
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Right On
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