Originally Posted by TNS Racing
whats the big number and whats the little number? When you divide those two you get a decimal, what is that number?
It's like this -
Spur / pinion = primary drive ratio
front/rear diffs - Big gear / Little gear = Diff Ratio
You take the Primary Drive Ratio * Diff Ratio = Final Drive Ratio
So in my case...
44/13 = 3.38
F/R ratio = 4.30
Final Drive Ratio - 3.38 * 4.30 = 14.53