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Old 06-10-2008, 05:41 AM   #1
gchemist
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Re: 67-72 trailing arms in a 85?

Bolt on a C-4 Vette rear. Truck frame widths may not be practical for trailing arms.
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Old 06-10-2008, 08:44 AM   #2
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Re: 67-72 trailing arms in a 85?

I don't remember which truck mag it was in, but AirRide Tech had an article in one that showed a kit of theirs being put into '79 or '80 model.

I believe that the frame width is the same on the trucks from 1964 to 1987. I know that the front cross members bolt into each of those years. The swap should be easy, with just a few holes to drill for the cross member. The coil spring/air bag mounts may take some fabing since the frame's shap is different over the axle between those years.

I wish I know which magazine it was in....
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Old 06-10-2008, 12:06 PM   #3
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Re: 67-72 trailing arms in a 85?

I know a project truck that custom classic trucks had, a '79 Big 10 C-10, had a trailing arm set-up in it that cpp was developing. I thought they were supposed to have it out by now, but maybe something happened.
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Old 06-10-2008, 03:46 PM   #4
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Re: 67-72 trailing arms in a 85?

Quote:
Originally Posted by SBTork View Post
I know a project truck that custom classic trucks had, a '79 Big 10 C-10, had a trailing arm set-up in it that cpp was developing. I thought they were supposed to have it out by now, but maybe something happened.

That is the one I was talking about, it is CPP not AirRide. here is a link to the article, it was a prototype kit from CPP. There are a few pics of the rear set up in the article.

http://www.customclassictrucks.com/t...w_muffler.html

Hope this helps...
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Old 06-10-2008, 08:09 PM   #5
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Re: 67-72 trailing arms in a 85?

Systems available at http://kustomairsuspensions.com/





The C-4 Vette would take some work. I saw a pickup somewhere around Houston that had a C-4 rear. Looked great. Sold on ebay. I should have saved pictures.
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Old 06-10-2008, 08:12 PM   #6
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Re: 67-72 trailing arms in a 85?

Typical install. A few brackets. Connect the four links and your done.

http://home.cfl.rr.com/scottiegnz/vette-irs.jpg

http://www.hotrod.com/featuredvehicl.../photo_12.html
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Old 06-10-2008, 11:53 PM   #7
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Re: 67-72 trailing arms in a 85?

I know there are plenty of kits out there but I am more interested in the 67-72 steup. I have all the rear suspension and drive train in the garage. It looks like the 67/72 traling arm x-member will fit fine between the frame rails but the fame is at an upward angle where it needs to mount. I was thinking of either a tubular x-member or putting the 67/72 one in the frame, cutting the bottom of the drive line loop out and extending it so I have ther room needed for movement. I dont thing the X-member mounted at an angle will affect the geometry but I lose room where the D/S passes through.
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Last edited by dirtboy488; 06-10-2008 at 11:56 PM.
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Old 06-10-2008, 02:40 PM   #8
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Re: 67-72 trailing arms in a 85?

Quote:
Originally Posted by gchemist View Post
Bolt on a C-4 Vette rear. Truck frame widths may not be practical for trailing arms.
Is there some kit or brackets to make a vette irs a bolt in deal?
I had a good one laying around and i think that would make a serious upgrade!
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