8.8 rear swap in a wagon
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G3GM :: G3 Tech :: Engine & Driveline
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8.8 rear swap in a wagon
Hey all! So I've been looking in to a posi for my 74 malibu wagon only to now lear that they use an oddball 8.6" rear with no support. I was thinking a Ford 8.8" as I'm told its damn near a direct bolt in.
So, anyone done one? Or is there a easier cheaper option?
Thanks gang!
So, anyone done one? Or is there a easier cheaper option?
Thanks gang!
74wagon- G3GM Newbie
- Street Cred : 1
Re: 8.8 rear swap in a wagon
I dont know what size ring gear they used in the wagons. I assume they use the 8.5. It is something other than that? I know GM used some odd-ball stuff in the full size line.
Just wondering if you are not confused with the newer 8.6. GM went to a 8.6 in the late 90's on the trucks. They are interchangeable with the 8.5. I rebuilt the 8.5 in my 73 last winter and used a Motive gear set. The instructions say 8.5/8.6. The gear set covered a span of 40 years. 8.5 will fit a 8.6 carrier and vice-versa. The gear set I have has a place on the pinion gear shaft to install the ABS sensor so it will work with the newer stuff. If that is the case, there is plenty of support for these units. My overhaul went well. Nice and quiet, no clunks, no noise.
Just wondering if you are not confused with the newer 8.6. GM went to a 8.6 in the late 90's on the trucks. They are interchangeable with the 8.5. I rebuilt the 8.5 in my 73 last winter and used a Motive gear set. The instructions say 8.5/8.6. The gear set covered a span of 40 years. 8.5 will fit a 8.6 carrier and vice-versa. The gear set I have has a place on the pinion gear shaft to install the ABS sensor so it will work with the newer stuff. If that is the case, there is plenty of support for these units. My overhaul went well. Nice and quiet, no clunks, no noise.
73ss- G3GM Enthusiast
- Street Cred : 11
Re: 8.8 rear swap in a wagon
The wagons received an oddball 8.75" rear end with a 10 bolt cut-out cover and a 12-bolt ring gear made by Cadillac (not the same as a Chevy 12 bolt). After market support for that axle does not exist!
The easy solution would be to replace with an 8.5" 10 bolt from a 73-77 coupe or sedan - that is a direct bolt in.
The easy solution would be to replace with an 8.5" 10 bolt from a 73-77 coupe or sedan - that is a direct bolt in.
Iggy- G3GM Member
- Street Cred : 15
Re: 8.8 rear swap in a wagon
Did you get this rear end stuff figured out?
brownbomber77- G3GM Member
- Street Cred : 4
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