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Modified Rear End Mounting

brittf

ALLIANCE MEMBER
Joined
Jun 19, 2014
Messages
91
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.




Britt
 
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kbeefy

Well-known member
Joined
Sep 14, 2013
Messages
3,449
Location
Harington, Eastern Washington
sweet. Are those brakes mounted inboard? How large of brakes and how big of tire are you planning on running?

A friend of mine is going the other way, IRS out and 9" going in, in a 280z.

9%2Brear.jpg


And since we're talking about rear ends, heres a fox I used to have....

mustang%2Brear%2Bsuspension%2B%2528Small%2529.JPG
 
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brittf

ALLIANCE MEMBER
Joined
Jun 19, 2014
Messages
91
I believe they are 11" with Wilwood four piston calipers mounted in-board. The mini-tub kit should allow me to run 335 tires but I'll probably run 305; 315 maximum. Now I need to find a wheel with the necessary offset.
 
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