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Old 06-07-2007, 08:41 AM   #1
freak812
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66 gmc axle swap

Hey guys, Im new to the club and new to these older trucks. All the info I found on here so far is freakin awesome.. I have a question about swappin axles in my dana 44...What kind of axles do i need to use to go down to a 5 lug rear end?? I have a rearend from a 77 chevy sittin here, will they work and how do i change them???
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Old 06-08-2007, 12:16 AM   #2
Chevyboy1962
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Re: 66 gmc axle swap

Welcome to the forums.
For the GMC trucks, it should have leaf springs in back, if so swapping to a newer 5 lug axle should be a breeze. I know a guy here in town that did this on his '63 GMC (first year for leaf springs).

Now if your truck is a canadian GMC (which has trailing arms), then pick up a '71-'72 Chevy C10 rearend. The only difference in axles is there is 1 extra inch at each end of the axles. Same as for the '73+ trucks axles.
David
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*1962 C10 swb fleetside, big window, custom cab 350/TH350 combo...Hot Rod

*1963 C10 lwb fleetside, small window 230/4 speed...Blvd Cruiser

*1931 Ford 5 window coupe (soon to be Hot Rod)... Father & Son project
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Old 06-08-2007, 12:33 AM   #3
trkklr77
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Re: 66 gmc axle swap

check the leaf perches, cut weld new if needed, bolt in. you might need to reduce the or correct the brake line fitting to the wheel cylinder.
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