What rear end do I have
07-22-2007, 08:57 AM
#2
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If you look in your glove box there will be a sticker in there with your build options it will also tell you your rear axle ratio. Would look there first.
07-22-2007, 09:29 AM
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Yeah, no sticker in mine either.
It will say on your window sticker if you still have it. I think the 3.73's are standard and the 4.10's would show up as an option.
What are your RPM's while cruising at 70-75mph?
It will say on your window sticker if you still have it. I think the 3.73's are standard and the 4.10's would show up as an option.
What are your RPM's while cruising at 70-75mph?
07-22-2007, 01:00 PM
#7
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If your truck is new, it will have the G56 manual transmission. Those only come with a 3.73 gear ratio from the factory powered through an AAM 11.5'' rear axle.
The auto trucks can get 4.10s as an option.
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