Need help with axle offset problem

[72Z/28]

Hi guys

I have posted the problem I am having with wilwood brake kit and axle offset several times, yet have not resolved the problem.

Here is the story

I have ford 9" rear end with big ford new style end housing flanges. Wilwood offers two offsets, 2.36 and 2.5 offsets. I measured the housing end flange and axle flange and it is more than 2.5" offset. It is approximately 2.62 in offset. I guess whoever built this rear end did not pay attention and could care less about getting the right offsets.

So now I really need to know the way forward to resolve this damn issue. What options do I have at this stage to get the offset to 2.5" and install the brake kit I have.

[MillerBuilt]

Hmmm, interesting.... It really is not who built the rear though as the New Style ends have nothing to do with offset. It is the axle that determines the offset. Not sure why you have a 2.62" offset,,,, but for whatever the reason it sounds like you are about 1/8" from getting your caliper centered over your rotor?
If so can you post a few pics of your axle/brake setup so I can see? I think I have a fix for you. Or send me to a link you have already posted.

[SlowProgress]

When I put my Moser axles in I had one that needed trimming. I guess it is possible the axles are bottoming in the carrier before the seals crush down all the way. Otherwise someone just machined the axle wrong, or did a custom job on purpose. It can always be fixed by pressing the bearings off and taking an additional cut on the axle to put the bearing/axle flange in the right place. That is probably a lot more work than you were hoping though !!

[72Z/28]

Originally Posted by JSM

Hmmm, interesting.... It really is not who built the rear though as the New Style ends have nothing to do with offset. It is the axle that determines the offset. Not sure why you have a 2.62" offset,,,, but for whatever the reason it sounds like you are about 1/8" from getting your caliper centered over your rotor?
If so can you post a few pics of your axle/brake setup so I can see? I think I have a fix for you. Or send me to a link you have already posted.

Thanks for the reply,below is the link where I posted the caliper problems. Please note that theses photos taken are from previous brake kit, which I replaced with new floating caliper kit (140-12209)from wilwood. Unfortunately I have disassembled the floating brake kit and removed the axles, so I don't have any photos showing how the floating calipers are positioned on the rotor.

However, even with floating caliper kit, the calipers were not centered on the rotor and there is no chance for the rotors to slide on the silding pins as the outboard pads are binding on the rotors. In fact, the outboard pad on the passenger side is a very tight fit making the rotor difficult to rotate.

Even the axle splines are about 1.25" through and don't think they are bottoming in the carrier.

http://www.pro-touring.com/threads/1...rake-Questions

[72Z/28]

Originally Posted by SlowProgress

When I put my Moser axles in I had one that needed trimming. I guess it is possible the axles are bottoming in the carrier before the seals crush down all the way. Otherwise someone just machined the axle wrong, or did a custom job on purpose. It can always be fixed by pressing the bearings off and taking an additional cut on the axle to put the bearing/axle flange in the right place. That is probably a lot more work than you were hoping though !!

I removed the axles amd noticed only 1" to 1.25" of the splines through the carrier, so I would say bottoming in the carrier can be ruled out. In fact, If I removed the bearings, then I would be able to see how further the axles can go through till it bottoms in the carrier.

I was told to remove the bearings and machine down the axles to push the bearings by 1/8 " towards the axle flange

[MillerBuilt]

Looks like if you had the ability to machine the caliper bracket spacer, that would allow your caliper to center over the caliper ORRRRRRR if you ran a two piece rotor/hat you could run washers between the rotor and hat mounting surfaces which would push your rotor inboard.... may have to get longer bolts though depending on how much you shim.

[Sieg]

I didn't have the aluminum one piece spacer you have in your kit, so I just used hardened washers and thinner stainless washers to set my spacing. Right or wrong it's working.........so far.

[72Z/28]

Originally Posted by Sieg

I didn't have the aluminum one piece spacer you have in your kit, so I just used hardened washers and thinner stainless washers to set my spacing. Right or wrong it's working.........so far.

Thanks for sharing this photo Sieg. I think That is another option to move the calipers outboard by machining down the spacers that came with the kit

[72Z/28]

Originally Posted by JSM

Looks like if you had the ability to machine the caliper bracket spacer, that would allow your caliper to center over the caliper ORRRRRRR if you ran a two piece rotor/hat you could run washers between the rotor and hat mounting surfaces which would push your rotor inboard.... may have to get longer bolts though depending on how much you shim.

The photos I had posted in pro touring forum were for the previous kit(fixed calipers). Now I have as I said the floating caliper kit. I guess as you and Sieg said maching the caliper bracket spacer would be the quickest fix to center the calipers

[Sieg]

Originally Posted by 72Z/28

Thanks for sharing this photo Sieg. I think That is another option to move the calipers outboard by machining down the spacers that came with the kit

If I'm not mistaken, when you order the rear kit and specify offset, the only difference is the thickness of that spacer.

If you have a hand held belt sander, vice, some leather gloves, and a little talent, you could 'mill' them down.