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Author Topic: Rear axle stamp location  (Read 1941 times)

Offline blublazn86

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  • Posts: 12
Rear axle stamp location
« on: March 08, 2013, 12:24:34 pm »
Hello,  I have an 87 R10 Silverado 2wd and I'm trying to find out where the axle stamp location is located.  Any and all help will be greatly appreciated.   Thanks
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Offline pholliday1

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  • Posts: 632
  • 1990 V3500 Crew Cab
Re: Rear axle stamp location
« Reply #1 on: March 08, 2013, 12:38:42 pm »
What specifically are you looking for? If it's gear ratio i would suggest pulling the diff cover. That's the only real way to get accurate info ,plus if its like most of our trucks it could stand a change.
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VETERAN AND LIFETIME NRA MEMBER. WHAT DO YOU STAND FOR?
1991 V3500 CREWCAB SRW 454TBI GMC
1991 v3500 crewcab SRW 454tbi 480le 6" lift
1990 V3500 crewcab Dana 60 FF 14b 5:38 ratio 40 inch 11" lift
1989 v3500 crewcab 454TBI 5" lift

Offline blublazn86

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  • Posts: 12
Re: Rear axle stamp location
« Reply #2 on: March 08, 2013, 12:50:25 pm »
I did that and I came up with a 2:73 ratio.   I was just curious if that is what it came with since there was no rpo tag in the glove box.
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Offline pholliday1

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  • Posts: 632
  • 1990 V3500 Crew Cab
Re: Rear axle stamp location
« Reply #3 on: March 08, 2013, 02:34:02 pm »
My best guess is yes and here's why. Very few and far between are you going to find "someone" "Swapping" in 2:73's for rear end gears. Can it happen? Yes.. but not very likely..
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VETERAN AND LIFETIME NRA MEMBER. WHAT DO YOU STAND FOR?
1991 V3500 CREWCAB SRW 454TBI GMC
1991 v3500 crewcab SRW 454tbi 480le 6" lift
1990 V3500 crewcab Dana 60 FF 14b 5:38 ratio 40 inch 11" lift
1989 v3500 crewcab 454TBI 5" lift
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