This is topic irs on a foxbody in forum Tech Talk at Northern California Ford Owners  .


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Posted by a302juGRnuat (Member # 10163) on :
 
just wondering if the irs setup bolts straight into a fox body...do they need extra mounts?
 
Posted by kaoticmk2 (Member # 5186) on :
 
Here are some links:

http://www.mouthbreather.net/IRSSWAP.HTML

http://forums.corral.net/forums/general-mustang-tech/1031857-my-fox-independent-rear-suspension-project.html

[ August 18, 2011, 10:29 PM: Message edited by: kaoticmk2 ]
 
Posted by a302juGRnuat (Member # 10163) on :
 
thanks bro, thats pretty much a perfect "how to."
 
Posted by kaoticmk2 (Member # 5186) on :
 
No Problem
 
Posted by tribal3579warrior (Member # 5663) on :
 
I used that website as a guide. However, I did things differently.

1) I didn't cut and reflare the main brake line so that it can be easily swapped back if needed. I purchased a T-fitting and two brake lines with the correct thread pitch to fit the T-fitting. You will also need to get an additional threaded fitting that will replace one of the existing brake line fitting because the cobra brakes (if used) have two different size fittings.

2) I had a black smith add an additional metal plate to the IRS mounting bracket to square it off and plug weld the rear hole. I then drilled a hole to match the location of the existing mounting bolt on the frame maintaining structural strength (no additional hole drilled on top of an existing hole) and not sandwiching the frame with a through bolt and nut.

3) I drilled a hole in the trunk floor pan just wide enough to drop a self locking nut down into it for the lower two bolts of the IRS mounting bracket. That way you are still keeping it structurally sound and not sandwiching the frame rail and the trunk floor pan. This is how Ford did it with the Cobras. A helpful hint on dropping the nuts into the frame; Use thread locker tape around the head of the nut and use a 6 point socket. The tape will keep the nut in place in the socket.
 
Posted by tribal3579warrior (Member # 5663) on :
 
It appears you are located in Sac. I just moved out to Sac. If you'd like, you can come check out my IRS hook up...
 
Posted by Stang66 (Member # 10504) on :
 
What tires are you running with the irs?
 
Posted by Sicarius428 (Member # 7236) on :
 
http://www.stangnet.com/mustang-forums/728237-cobra-irs-fox-swap.html

I have a little rub with the 2k GT wheels 245/45/17s
Kevin
 




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