conchasjim
Member
- Joined
- May 15, 2011
- Posts
- 59
- Reaction score
- 8
I recently towed a 5000 lb trailer and it was a dog. I have the 3:43 axle and it got so hot I thought it was going to seize up. I had it in the 87 tune mode before that and didn't notice a bit of difference.