Truck Forums - what rear end and gear ratio would my truck have stock?

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Old International

12-16-2009 11:57 AM

what rear end and gear ratio would my truck have stock?

03 silverado 2500 HD crew cab with the 6 liter vortec

its suppose to have the "tow package" and im wondering what the gear ratio is

GMCSierraFan

12-16-2009 03:02 PM

Probably 3:73 or 4:10. Check the codes in your glove box. I beleive that 3:73 is GT4 and 4:10 will be something similar

bad2006z71

12-17-2009 07:12 AM

you will have 4.10's GT5 is the Rpo code in the glove box

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