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Gear Ratio Question

734 views 3 replies 3 participants last post by  nicholassturm 
#1 ·
I never checked my gear ratio since I got my new tires. Here is what I came up with:
-I rotated my tire while counting drive line rotations and I came up with 45/10 Rear and 44/10 Front, so that's roughly giving me a 4.5 correct?
 
#2 ·
Sounds like its 4.56 gear ratio.
 
#3 ·
if you are doing full rotations with an open diffy you should only jack up one wheel and count drive-shaft rotations (by marking one spot on u joint) and count 1/4 rotations of drive-shaft for 2 full tire rotations

You mark inside tire with chalk and one u joint cross then turn drive-shaft counting 1/4 1/2 3/4 1 1and 1/4 1and 1/2 ect if you have 4.55/4.56 you should have just over 4 and a half drive-shaft rotations when tire completes its second rotation
 
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