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axel tramp help
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relaxed_diplomacy
Fordmods - Getting Side Ways



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PostPosted: Fri Jul 11, 2008 10:44 pm    Post subject: Reply with quote

punktured wrote:
These are not made by the spring manufacturer, they have been made to work with the Tein super street suspension which have been redesigned and tested in house due the the bad axel tramp which have plagued the King Spring reversed eye design.

As far as i know with the design they are a full sized leaf running across the top so if anything it'll stiffen it up a lil and i'd dare say offer more payload in the back because it wouldn't sag as much. I'll know more about it once my set comes in and will try get some pics to post up

Unless the rebound leaf wraps around the eyes, it has no ability to hold up the vehicle. And if it does wrap around the eyes and provide lift, it is no longer a rebound leaf because it functions similarly to a normal leaf, and should instead be placed in the pack as per normal.

Rebound leaves do not typically wrap around the eyes, and have camber reverse to the others which keeps them in contact with the main leaf under suspension compression. This camber works against what the other leaves are doing.
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punktured
Fordmods - Getting Side Ways



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PostPosted: Sat Jul 12, 2008 10:26 am    Post subject: Reply with quote

I don't think it wraps around the leaf. I see what your saying so now I'll just have to wait tip they come in and see what they're like
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slacker
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PostPosted: Wed Nov 26, 2008 4:29 pm    Post subject: Reply with quote

I can't seem to see the pictures that Steady ED posted up (I just get the box with the red 'X' in it). Would really appreciate it if someone could email me them at illusion(at)tpg(dot)com(dot)au

I'm also suffering Axle tramp in a BA XR8 ute.... mainly under heavy braking on rough surfaces.

Part numbers for the RTV Diff brackets are Left: BA 5530A and Right: BA 5530B. Was quoted $82.50 each Retail Incl GST from a Ford dealer. Add in cost of four 1/2" Heim joints and some scraps of steel and you could put something together relatively inexpensively.

I've also been discussing this with Heasmans in Sydney and they have also suggested (and successfully added to a 400rwkw XR8 ute) a set of tramp rods in the form of revalved mono-tube dampers (like steering dampers valved up tight).

To ths end, a bit further research reveals that AFCO make a "diff-shock" for speedway use, for this exact purpose (i.e. controlling axle tramp). The AFCOs are $130 each, come in two lengths and already have heim-type joints on the ends. Cheaper than revalving a Bilstien steering damper and fitting it with heim joints, but AFCO are pretty crappy stuff compared to a Bilstien.
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sooty72
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PostPosted: Thu Nov 27, 2008 10:58 am    Post subject: Reply with quote

I had really bad axle tramp in my old XD, firstly with a 351C and then it got really really bad with a 429 in it. I tried tramp rods/slapper bars, different shocks, coil-overs on the shocks, stabilizer bars, etc. I finally got a set of ute rear leaf springs reset 3 inches lower and asked for them to be VERY stiff. Instantly the axle hop was gone, and the car hooked a lot harder, even with a 4 speed. The ride was firm, but not harsh. i didn't mind it, some thought it was too hard though.
Maybe that's what the BA/BF utes need, and it would increase the load carrying ability at the same time.
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relaxed_diplomacy
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PostPosted: Fri Nov 28, 2008 8:22 pm    Post subject: Reply with quote

I was only thinking about using steering dampers, i've seen this before, when i read the post two posts previous. Any steering damper(s) might do the job. Mounting a steering damper(s) at home would be easier than rigid rods, as geometry is basically irrelevant and the forces would be less.
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