Quote Originally Posted by tigweld View Post
I'd go 4.88 and 4.86 give your front pinion a little more beef for 42"s
TrueHi9 says that the higher the ratio (for a high pinion), the stronger the gear set. They have a pretty big section on their website explaining why the reverse cut gears are stonger in the higher ratios rather than weaker.
http://www.truehi9.com/gears2.html

I don't know if that applies the the Toyota stuff also, but from the theory they use, it should.