Recently bobbed my M35A2. I used front springs from a donor truck and installed C&C 2 piece wheels with 46" Michelin XL's. After the truck was finished I took a few test rides everything checked out. My buddy who helped me do the bob noticed significant axle wrap when starting out in 1st gear. Is this a common problem with bobbed deuces on 46's? Has anyone made ladder or track bars from one of these trucks? If so, can you show me some pictures of how it was done. I was thinking of adding a track bar by welding a bracket to the frame just forward of the spring perch then connecting it to the inboard forward axle u bolt with a heim joint and single nut over the existing nut. Do you thing 1/8 inch wall DOM tubing would be strong enough? Should I weld a bracket right to the axle?
If you do end up adding a traction bar here's what we do on most of the Jeeps with full size axles:
Attach the bar at the axle end on the top and bottom so it has good leverage over the axle. Attach the bar at the frame end using a shackle. This allows the axle to move front to back and up and down as it should, but will not allow it to twist so much. Seems to work really well.
If you do end up adding a traction bar here's what we do on most of the Jeeps with full size axles:
Attach the bar at the axle end on the top and bottom so it has good leverage over the axle. Attach the bar at the frame end using a shackle. This allows the axle to move front to back and up and down as it should, but will not allow it to twist so much. Seems to work really well.
I agree
I know several guys using deuce springs and tractor tires and not having problems wit spring wrap. I would investigate it some more
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Originally Posted by CCATLETT1984
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Another thought... make SURE you have front springs and not trailer springs on front hangers. County the number of leafs and compare to the front springs on your truck. Unlikely but a possibility.
Thank you all for the input. I did confirm that they are front springs. Pinion angle is not more than a couple of degrees. As of this post the shocks have not been bolted to the frame. They will be by the weekend. Would shocks being disconnected have that much influence on axle wrap? Tire pressure is factory recommend 120psi.
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1970 M35a2w/w Whistler turbo
Bobbed by beaubeau (Now the wifes)
1970 M35A2 wo/w Whistler turbo USAF
M105a2
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Thank you all for the input. I did confirm that they are front springs. Pinion angle is not more than a couple of degrees. As of this post the shocks have not been bolted to the frame. They will be by the weekend. Would shocks being disconnected have that much influence on axle wrap? Tire pressure is factory recommend 120psi.
I do not think the shocks would cause any problems unless something else was wrong. (I still do not have any on the rear and cant tell that I dont) Low tire pressure could contribute, but with the pressure you are running that should not be a problem. A few degrees of pinion angle on my race car made a huge difference in the way torque was transfered to ground. (would cause the car to squat one way and lift the other) You did check the u-bolts as suggested? How did you mount the axle to the spring. (did you use a lifted mount/block) should have ask that first I guess.
Bobbed M35A2 Axle Wrap.
