Gears
Joined: Jul 2006
Posts: 381
Likes: 15
From: Oshawa (Home of the 5th-gen)
Are 3.90's a 39/10 ring/pinion?
Makes sense. I know that 4.10's are 41/10 ring/pinion. In "theory", each of the 39 teeth on the ring should be thicker than each of the 41 teeth of 4.10's?? If that's the case, they should be marginally stronger (if that's even a word we can use around the 10-bolt!
) than the 4.10's
. And considering they won't limit your top speed in 4th quite as bad as 4.10's, they're probably a good compromise between 3.73's and 4.10's
.
Makes sense. I know that 4.10's are 41/10 ring/pinion. In "theory", each of the 39 teeth on the ring should be thicker than each of the 41 teeth of 4.10's?? If that's the case, they should be marginally stronger (if that's even a word we can use around the 10-bolt!) than the 4.10's. And considering they won't limit your top speed in 4th quite as bad as 4.10's, they're probably a good compromise between 3.73's and 4.10's. 
