TUNED !!!!!!!

[adventurenali92]

I believe my 2006 xl Denali AWD has 3.73s in the rear end.

 

[Tonyrodz]

I believe my 2006 xl Denali AWD has 3.73s in the rear end.

Just look at your pros in the glove box. Iirc it's GT4.

 

[HiHoeSilver]

Just look at your pros in the glove box. Iirc it's GT4.

Yup. GT4 is 3.73 Gu6 is 3.42

 

[adventurenali92]

Just look at your pros in the glove box. Iirc it's GT4.

Funny! I wasnt thinking about the rpo sticker in the glove box! I remembered seeing the gear ratio listed on my trucks build sheet I obtained from gm at the beginning of the summer. Lol. But I looked at my rpo sticker and it also listed GT4. Lol