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Old 09-25-2020, 04:30 AM   #21
Richard
Senior Member
 
Join Date: Dec 1999
Location: Southern California
Posts: 2,698
Re: Question - 65"-66" axle to replace a 12 bolt truck

I am installing an AAM 11.5 from a 2006 2500HD, a 1 ton axle in my 72 (should be same width as 1500). I wanted factory disc brakes in the rear. Do not have the WMS to WMS measurements in front of me but I can measure for you. When doing research I recall it was very close to the Dana 60 front I will be using. The Dana 60 front measurements are identical to Dana 44 IIRC. I know the rear axle is shorter on stock 4WD for some reason that I do not know.
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Richard
1972 K10 Custom Deluxe SWB Fleetside
My build https://67-72chevytrucks.com/vboard/...d.php?t=800746
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