lifted -what gears to run - help

[jblu069]

I have a 01gmc yukon xl i put a 6.5 bds suspension lift and a 3'' body lift on it w/ 37's ..... Does anyone have any suggestions on gears to run... I dont go off road at all - but someday i will try it

 

[01Konvict]

With 37s you prob need 4.56 to 4.88 front and rear, just a guess though

 

[Z-56 Hoe]

4.88's