can anyone help me out im trying to find out what gears i have in the rear. is their a code in the glove box that can help.
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can anyone help me out im trying to find out what gears i have in the rear. is their a code in the glove box that can help.
What year truck do you have ?
look in the glove box... there is bunch of code... I think GU6 is 3.42
its a 99 z71 5.3L with the G80 locker. ive been told to look for the g codes in the glove box. the only g codes in the glove box are G80, and GT4
Someone on here knows the codes... I cant remember them
would i have to rear gear if i put 33" tires
im going 33x12.5 R17
Heres a link for the codes...GT4 is 3.73's
Rear End Ratio RPO Codes Here - FSC Forum
thanks for the link, with 3.73's is it ok to run 33" tires or should i switch gears.Quote:
Originally Posted by bangbangskeetskeet
3.73s will be fine.
good thats one less thing i have to worry about.
I have 3.73's and Im running 285's...no problems here. Im actually thinking about moving up to 305's...
im also running 285/75/R16 are the 33"s similar in size.
those are supposedly 32.83'' in diameter.
(285 / 25.4 x .75 x 2) + 16