Thread: rear end ratio question
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Old 08-05-2008, 10:32 AM
Richie18 Richie18 is offline
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Cobra Make, Engine: Superformance #2589 Titanium w/ Indigo Blue Stripes 408/351w TKO600
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Quote:
Originally Posted by wtm442 View Post
I've got a an 0.68 for 5th gear and a 3:73 ratio rear end. With 15 inch tires and a very accurate speedometer and tach, and I'm doing 100 MPH (not 65) at 3000 RPM.

As many have said before me .... "something is wrong".

Here is a good calculator ...

http://www.cobranet.com/rpmmph.html
Maybe he is wondering why everyone is driving so slow!
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