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Old 03-06-2025, 12:14 PM   #8
SCOTI
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Location: DALLAS,TX
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Re: 1964 GMC 1000 axle flip kit

Quote:
Originally Posted by PapaJbbq View Post
I was referring to installing a C-notch. I neglected to mention my 66 GMC will need a notch to flip the axle, because I'll get a 5" drop, but only have about 2" of travel before the flipped axle hits the frame.
The C-notch method will be the same between generations, but the frame dimensions are different. So, pre-cut pieces for a squarebody will not fit the frame of a 60-65.
Sorry for the incomplete information.

Here's something that might be useful:
76 C10 12-bolt axle tube dia = 3"
Spring width = 2-1/2"
66 Dana 44 axle Tube dia = 2-5/8"
Spring width = 2-3/8"
Gotcha.
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