Gear Ratio for 08 Sierra Denali

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Jan 15, 2010 | 10:53 AM

#11

budhayes3

PT's Slowest Truck

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From: Hackensack, NJ

Quote:

Originally Posted by CI DENALI

Thanks. I'll check them out. What brand of gear does Ron's Machine sell?

Check and see if they have AAM gears, which I believe are what the OEM gears are. They're only slightly more expensive than the others such as Motive, but will not whine if properly installed

Jan 17, 2010 | 09:49 PM

#12

01WS6/tamu

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From: somewhere in TX

My v-max has 4:10's in it stock from gm. Dont let anyone tell you to go with anything less gear wise. It will move out and still gets what I consider great mileage for what I have done to it and how I use it.