I Have 3.08 gears from the factory and i am running 35' bfg ats and my trucks is kinda on the slow end, i was wondering if 3.73's will do the trick or would i have to go to maybe a 4.10. any advice would be great, thanks.

 

3.733 will get you back to about where you were with the stock tires in terms of speed in gears but it will still be slower because of the greater mass of the larger tires.

To get the equivalent of 3.55 gears and stock tires you'd need to go to 4.33 gears.

 

Thanks man, Maybe 4.10's are the way to go to be right in the middle.