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#1 |
Registered User
Join Date: Mar 2013
Location: Washington
Posts: 238
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I have a 1973 GMC 25 Hundred Super Custom. I know it says 3/4 ton truck but here's the problem the Rear Axle supports a 5th wheel hitch in the back of the bed. I will post pictures, I have the rear axle manufacture numbers but that's it. It has an 11.24 Drum, And napa still can't figure out what it is. Can I get some help guys? Its a 14 bolt. I though it looked like a 1 ton Single rear end. But I could be wrong.
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RoughKuntry 73 GMC 25 HUNDRED :Sold 79 GMC High Sierra 4x4 (Ma-Duece) :Sold 99 Chevrolet LS 4.8l/5 Speed Manual 4x4 :Selling 88 Chevrolet Burban 2500 4x4 :Buying ![]() |
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#2 |
Senior Member
Join Date: May 2004
Location: Binghamton, NY
Posts: 3,455
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Re: Need help on Rear Axle? Don't know what it is.
3/4 and 1 ton are pretty much the same rear, just the 1 ton has bigger breaks. I believe 11" or 13" are the options for breaks...
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2000 GMC CCSB 454/4L80 6” lift SAS 1999 Chevy CCSB 454/NV4500 6” lift 1999 GMC Yukon 350/4L60 4" SAS |
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#3 | |
Registered User
![]() Join Date: Feb 2013
Location: Rome PA
Posts: 340
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Re: Need help on Rear Axle? Don't know what it is.
Quote:
![]() If it has the 11" brakes odds are it is a 3/4 ton rear. you can also tell by the spring plate mounts the 1 ton is different then the 3/4 ton. But other then that they are the same. -Sam
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1987 Chevy R30 CC 454/4spd Work Truck 1979 Chevy K10 SWB 350/4spd/NP205, 1979 Chevy C10 LWB 350/TH350 Project 1981 Chevy K30 350/Th400/NP205 1986 Chevy K30 CUCV 6.2L/TH400/NP208 |
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#4 |
Registered User
Join Date: Mar 2013
Location: Washington
Posts: 238
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Re: Need help on Rear Axle? Don't know what it is.
found out that the rear is a Heavy Duty 3/4 ton. And the parts store still thinks that 1 ton break shoes will fit it. :/ So I called up the NAPA store and they had my parts ready this morning. so you all might get better pictures of the new truck soon
-Jeff
__________________
RoughKuntry 73 GMC 25 HUNDRED :Sold 79 GMC High Sierra 4x4 (Ma-Duece) :Sold 99 Chevrolet LS 4.8l/5 Speed Manual 4x4 :Selling 88 Chevrolet Burban 2500 4x4 :Buying ![]() |
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axles, swapped |
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