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Unread 10-14-2013, 09:12 PM   #1
airjeep
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1975 CJ5 
 
Join Date: Oct 2013
Location: wichita, ks
Posts: 7
cj axle swap

I just bought a 75cj thats in pieces and I can buy a set gm 12 and 10 bolt axles for $100 and that seems to be cheaper than what I can convert the stock front axle to disk brakes. The gm rear already has the spring perchs mounted, but the front doesnt and it looks a little tricky (looks like the right mount will be next to the pumpkin). Any ideas/opinions?

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Unread 10-15-2013, 10:10 AM   #2
CSP
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Join Date: Aug 2002
Location: Colorado
Posts: 12,620
The cost of the axles is just the beginning of the expense. Think about brake lines, steering, any driveline modifications (if necessary) as well as the fact that you'll have to move the position of your spring mounts to be outboard of the frame due to the distance between perches on that 10bolt.
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Unread 10-16-2013, 05:10 PM   #3
UBERK
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1976 CJ7 
 
Join Date: Jun 2013
Location: 480, AZ
Posts: 595
Quote:
Originally Posted by CSP View Post
....as well as the fact that you'll have to move the position of your spring mounts to be outboard of the frame due to the distance between perches on that 10bolt.
Wouldnt it be easier to relocate the perches on the axle?
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Unread 10-16-2013, 08:42 PM   #4
CSP
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Join Date: Aug 2002
Location: Colorado
Posts: 12,620
You can't do that on the front axle. The perch on the passenger side is already right up against the side, or cast as part of, the pumpkin. There's nowhere for it to go if you try to move it closer to the center. If you mount the spring on the cast in perch and just relocate the drivers side tube the axle won't be centered under the vehicle.

If it were possible people wouldn't either narrow these axles or outboard the spring mounts. This isn't the first time someone had that idea.
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