Help with build a strong diff ! What to use?

[Maxx42]

Originally Posted by ssspconcepts

If you already have purchased the truggy diffs...I think you could keep them and just use a pinion gear that has a +2 or +3 tooth count and you'd be fine.

It's actually a little more than you'd think, given the spur gear that he may be using. If he's using the 65 tooth spur gear, he would have to add about 6 teeth to his pinion to get the same rpm's at the tires, or he would have to lose about 15 teeth off of his spur gear if he kept the same pinion.