3.08 ->3.73, what is 70mph equivalent to? - Hot Rod Forum : Hotrodders Bulletin Board
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Old 10-02-2004, 08:31 PM
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3.08 ->3.73, what is 70mph equivalent to?

I used to have a 3.08 10 bolt and I got a whole new 3.73 rear put in recently. What would 70 mph with 3.73 gears and the same 26" tires be in reality? (appx is fine)

Yes, I know I need to get my speedo recalibrated but for now, I'm just curious.

Thanks for your help,

Erik

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Old 10-02-2004, 11:01 PM
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What kind of transmission, what gear?


or..just let us know what the gear ratio will be.
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Old 10-02-2004, 11:39 PM
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70 x 3.08 / 3.73 = 57.8, so let's say 58mph.

That's assuming the speedo was correct with the 3.08's.
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Old 10-03-2004, 07:57 AM
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Here is a speed and rpm calculator.

http://www.smokemup.com/auto_math/mph_range.php

Vince
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Old 10-03-2004, 11:33 AM
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Thanks for the help guys. It's a Turbo 400. Have a good one, E
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