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Author Topic:   Gear ratio?
circledirt
Member
posted November 29, 2003 07:57 AM
I run a 72 galaxy with a c4 and 3.50 ford 9 inch. Does anyone know what final ratio wuold be or how to figure it? I use 2nd gear by the way.

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racer17j
Member
posted November 29, 2003 08:53 AM
to figure your final gear you take your tanny ratio and multiply it by the rear end gear since your running a 9 in rear you would be alot better off running your high gear and buying a final drive ratio gear that you want i'm not sure what the ratios are in your tranny tho so can't help you with figuring what your final is now


circledirt
Member
posted November 29, 2003 11:28 AM
What the ratio of 2nd gear is the unknown. The rpm,s I,m turning is about rite, but if I want to change ring and pinion to run 3rd I need to know where I,m at now. Anybody know what c4,s ratio is?



racer17j
Member
posted November 29, 2003 11:49 AM
found it for you thr gears a 2.46,1.46,1 so you have a 5.11 what size track are you running also what rear tire roll?


circledirt
Member
posted November 29, 2003 06:02 PM
It,s a 3\8 mile semi banked. Running a 235\60\15 on RR and 225\60\15 on LR. Restricted to 10 inch sidewall tire. Pulling about 6200 on staights, which engine builder said is perfect.


circledirt
Member
posted November 29, 2003 09:22 PM
Oh, and thanks for the info, but where did you find it?


racer17j
Member
posted November 30, 2003 09:10 AM
yahoo just did a search for c4 tranny ratios