Thread: 75 Dually build
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Old 08-18-2016, 10:32 AM   #530
83GMCK2500
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Join Date: Sep 2009
Location: Beaverton, OR from WA State
Posts: 1,515
Re: 75 Dually build

Quote:
Originally Posted by Ghostwhite View Post
The adapters are designed for and fit perfect on DRW 14 bolt hubs, the issue is with the 3/4 or 1 ton SRW hubs. I have never tried to fit my OEM dual wheels on the SRW hubs but I would guess if they are hub-centric they would also have issues with that lip.

75Dually is running a 3/4 ton rear axle.
That is odd, when I was measuring both SRW & DRW hubs for my spacers I measured squares and GMT-400s, found them all to be right at 4.56"...it was just over 4.5" but under the diameter of the lip on a GMT-800.
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Devin

1983 GMC High Sierra 2500, 4x4, RC/LB, 400 S.B., SM-465, NP-208, Corporate 10 bolt & 9.5" 14 bolt
1996 GMC Sierra SLE 3500 DRW, 4x4, EC/LB, Vortec 454, NV-4500, BW-4401, AAM 925 & AAM 1050
1997 GMC Sierra SLT 1500 4x4, Z71/F44, EC/SB, Vortec 350

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