tjkj2002
Full Access Member
- Joined
- Dec 17, 2006
- Messages
- 10,612
- Reaction score
- 42
Putting 31" tires on a KJ with the stock 3.73's increases the final drive ratio.Re-gearing(correctly) put's the final drive ratio back to OE specs.i'm confused at how 4.10s would save gas? they'll make your highway rpms much higher...