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Old 02-08-2006, 12:43 PM   #1 (permalink)
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Frame construction/mod questions

I am doing a low-buck modification to my old Jeepster. Primary use, crawling, a true 90% off road.
I am not going to build a new frame , convert to coils, or get too weird with it.
The frame is shot (metal fatigue), I have another, but got a 74 Chero with 44s and a QuadraTrac and another 75 chero frame and axles.
I am considering using the chero frame, but havent decided whether it's better to to leave it alone, or cut up my second chero frame to fully box it. Boxing it may actually cause it to crack, as it will become inflexible, and would cut down articulation.
Any experiences here?
How about the "post mount" rear springs? Will they hold up, or am i better off changing them to conventional hangers? I will have to buy springs either way.

Last edited by Arborigine; 02-08-2006 at 12:45 PM.
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Old 02-09-2006, 10:47 AM   #2 (permalink)
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I don't know about the compatibilty of the Cherokee frame v/s the Jeepster, but why would you need to cut up the other frame? Just get some 3/16 flat plate and box the frame with that.
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Old 02-09-2006, 09:25 PM   #3 (permalink)
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Boxing the frame entirly would help. The cracks you mention happen where the boxing stops and a stress riser occurs and a crack will form around the frame. If the frame still flexes after its boxed, the weaker stock frame will crack rather that the boxed portion and your back to square one. All of this can be prevented by being careful. I know you do not want to build a frame but it is still my reccomendation. It will save you time and frustration in the long run. Just use most of the measurment for engine/tranny location from your stock frame and you can even play with your wheelbase if you want to. If you use simple 2x4" or 2x3" .180 wall steel tubing, you can put a base frame together quickly. My record - 6 hours
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Last edited by SLO-J; 02-09-2006 at 09:28 PM.
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Old 02-11-2006, 10:04 AM   #4 (permalink)
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Cutting a donor frame is a major time saver. When using a standard "C" section frame, the left outer side becomes a panel for the right inner, and a perfect fit of identicle material.
Building a frame isn't going to happen, i don't even have a level slab to lay it out, and I won't get away with welding in the house. The best I can do there is a bunch of blocks of wood on the gravel.

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