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» Northern California Ford Owners     » Automotive   » Tech Talk   » irs on a foxbody

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Author Topic: irs on a foxbody
a302juGRnot
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Member # 10163

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just wondering if the irs setup bolts straight into a fox body...do they need extra mounts?

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H/C/I slammed and flushed NOTCHback

H/C/I 1995 mustang gt sold

Posts: 1646 | From: sacramento | Registered: Jul 2010  |  :
kaoticmk2
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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 ]

Posts: 92 | From: Sac CA | Registered: Jan 2005  |  :
a302juGRnot
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thanks bro, thats pretty much a perfect "how to."

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H/C/I slammed and flushed NOTCHback

H/C/I 1995 mustang gt sold

Posts: 1646 | From: sacramento | Registered: Jul 2010  |  :
kaoticmk2
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No Problem
Posts: 92 | From: Sac CA | Registered: Jan 2005  |  :
tribal3579warrior
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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.

Posts: 97 | From: VALLEJO | Registered: May 2005  |  :
tribal3579warrior
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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...
Posts: 97 | From: VALLEJO | Registered: May 2005  |  :
Stang66
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What tires are you running with the irs?

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1966 Ford Mustang
1990 Notchback
1975 Pontiac Trans Am 400ci

Posts: 754 | From: Stockton | Registered: Dec 2010  |  :
Sicarius428
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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

Posts: 42 | Registered: Nov 2006  |  :


 
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