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Old 05-18-2015, 10:43 PM
brittf's Avatar
brittf brittf is offline
Junior Fabricator
Join Date: Jan 2015
Posts: 14
Smile Modified Rear End Mounting

I'm in the process of building a 1967 Mustang Fastback using new steel from Dynacorn. I'm modifying the car extensively using a Heidts Pro-G independent front suspension and a Heidts Pro-G independent rear suspension. I'm wanting to run wider tires so a mini-tub kit is installed.

The Heidts Pro-G independent rear end is intended to work with the stock rear frame rails. Since I modified the rear frame rails to accommodate wider tires I had to modify the mounts for the Heidts rear end kit.

I placed the rear end under the car and set the correct pinion angle. I then measured for the new mounting brackets using cardboard templates to confirm my measurements.

I then drew up the mounts in the Bend-Tech Sheetmetal module.

I then converted the three dimensional drawing to a flat layout drawing and created a .dxf file for my water jet vendor.

I had my water jet vendor then cut the pieces. I patterned the left side and assumed the right side would be a mirror image so I only created one file, cut two pieces and flipped one for the righthand side.

I then bent the pieces on my 20-ton press that I converted to a press brake with a kit from Swag Off Road.

I then put the rear end back under the car and tack welded the brackets in place. I then removed the brackets and finished welding them.

Here is a picture with the rear end and the attachment brackets all mocked up and ready to reinstall in the car.

And here is the rear end installed in the car.

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Old 05-19-2015, 12:18 AM
Rokcrler's Avatar
Rokcrler Rokcrler is offline
Master Fabricator
Join Date: May 2006
Location: Hsv. Ala
Posts: 704
Very nice!
I need to put SM to work more
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Old 05-19-2015, 09:50 AM
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CarterKraft CarterKraft is offline
Master Fabricator
Join Date: Oct 2009
Location: DFW
Posts: 906
I think we need a build thread on the car.
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Old 05-19-2015, 11:17 AM
entropy's Avatar
entropy entropy is offline
Master Fabricator
Join Date: Sep 2007
Location: 95-miles from the center of Oregon.
Posts: 8,370
Nicely done!

When did empirical knowledge get replaced by a theoretical education?

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Old 11-03-2015, 12:51 PM
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TheBandit TheBandit is offline
Instagram @chevyhotrodder
Join Date: Jan 2006
Location: Ventura County CA
Posts: 4,373
Nice work Britt. I really like that Swagg press/finger brake design; I'm thinking about modifying mine some day to mimic that. Regarding the design on the bracket, those look very nice and should work well, but next time you might consider modifying the bend relief "slit" so you end up with a radius or hole. The corner of that slit creates a stress riser. For this application with a double sheer coilover mount, it isn't going to really matter, but if that same mount were used in say a trophy truck that sees a lot of hard whoops/cycling, a crack might eventually (LONG LONG TIME) start in that area.

Last edited by TheBandit; 11-03-2015 at 12:54 PM.
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Old 11-03-2015, 02:02 PM
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Graham08 Graham08 is offline
Master Fabricator
Join Date: May 2006
Location: Denver, NC
Posts: 1,735
That is some really nice work! Sounds like a huge project, please continue to post updates.

I was able to score an upper and lower press brake die off Craigslist for cheap to duplicate the functionality of the SWAG piece. I just need to find the time to make the rest of the attachment for my press.
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Old 11-18-2015, 08:02 PM
RogueFab's Avatar
RogueFab RogueFab is offline
Master Fabricator
Join Date: Apr 2012
Location: Portland, OR
Posts: 154
Clean work for sure

Thanks for sharing!
Air/Hydraulic tube benders- $650 with 180 degree die set
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bend-tech, heidts, sheetmetal module, swag off road

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