03-12-2009, 07:46 PM | #1 |
Registered User
Join Date: Jan 2008
Location: walker wv
Posts: 23
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speedo fast
installed new ring gear 3.73 and i used the math formula out of npd catalog to find the drive gear i needed i have used this before on my 69 camaro and it work great this time it did not i'm 15 mph fast my tires are 27 inch tall drive gear is 8 and the driven is 22 any help would be great do i need to go up or down thanks again
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