UPR Suspension or Fender Issue?
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Old January 9th, 2011, 08:00 PM   2 links from elsewhere to this Post. Click to view. #1
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UPR Suspension or Fender Issue?


here is the full upr suspension when i had it on my 89 lx. i removed it and sold the car. the front wheels on this don't look as far forward as on my 90 gt. I put my 17x9 255/40/17 Cobra rims on the 89 lx with the full UPR Suspension and never rubbed.



The Tires rubbed prior to changing the suspension!

The Car: 1990 Mustang GT Auto, Rebuilt Stock Motor, Rebuilt Stock Auto Trans with Shift Kit, 2.73 Stock Rear.

Front Suspension: UPR K Member, UPR Control Arms, UPR Coil Over Kit Eibach 14in 175lb spring (much better then Eibach 12in 250lb), UPR Caster/Camber Plates, UPR Extreme Bumpsteer Kit, Strange Engineering 10way adjustable Struts.

Rear Suspension: UPR Double Adj. Upper Cntl Arm, UPR Single Adj. Lower Control Arms, UPR Coil Over Kit 10in 175lb QA1 Spring (much better then Eibach pro lowering spring), Strange Engineering 10way adjustable shocks UPR Upper/Lower Torque Box re-enforcement kit. No Qaud Shock.

The problem I have ran into now is that my front wheels are sitting to far forward! I have a set of pony rims on there now with 225/55/16 tires on them. They rub as soon as you turn the wheel. So putting my Cobra Rim 255/40/17x9 is out of the question! LOL Im wondering if it is the UPR K-Member and Control arms doing this or one of the car's previous owners put the wrong fenders on the car. The fenders are black on the inside that is why I think they might be aftermarket. The car has had a paint job within the past couple of years, but the subframe and stock k-member are/were red and so is under the carpet.
Here is some pictures and any help would be greatly appreciate. Every post I have read about UPR K-Members said they had no issues with wheel fitment.
Also there isn't much room between the front coil over and the tire. The rear has enough room for me to mount my 255/40/17x9 Cobra and still put my hand in between the coil over and tire.

Driver side:


Passenger Side:


Whole Car:


How I feel (this is not me!lol)

Last edited by kennethlar07; January 9th, 2011 at 08:36 PM.
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Old January 9th, 2011, 08:15 PM   #2
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I don't know.. I have the upr tubular front end kit on my daily driver and run ponys and weld shinnies on the front without a problem.. hell the only time my clearance has been that close was on my other car that has the qa1 k which moves the wheels up 3/4" which I knew would happen but still clears shinnies fine.

Also didn't need the bumpsteer kit neither since the tub k and a arms kept the same track as the stock shit.


Did you verify that the k member is upr and that the a arms aren't offset arms?? Give UPR a call and see what bs they can come up for you?
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Old January 9th, 2011, 08:23 PM   #3
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I forgot to add the tires rubbed before the suspension swap and the sub frame is nice and straight with no weld marks or paint marks.
The K Member and A Arms are all powder coated silver and it looks like the one in the UPR advertisement. I will give them a call tomorrow.
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Old January 14th, 2011, 07:22 PM   #4
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called UPR and they had me measure the A Arms and they were the right arms for a fox. I sent them a bunch of pictures and Adam from UPR (the best dude ever!!!) sent them to his suspenion guys. They thought they were interesting and they asked for even more detailed pics. Hopefully they will be able to figure it out.
They asked for pics of the motor mounts, so I sent them pics of the mounts and the engine sitting in the car. I believe the motor sits exactly where it should so I took pictures with a tape measure in there so they can see the distance of the motor to the firewall.
So I hope they are able to figure this out and I hope it doesn't cost me an arm and a leg.
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Old January 14th, 2011, 07:43 PM   #5
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i have the same front end and have no issues. Is on side worse then the other? Is the k memeber to far ahead?
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Old January 14th, 2011, 10:07 PM   #6
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upr's the only silver powder coated ones i know of right now but is it possible it was an older version of upr's? They've had like four different revisions I think but eitherway let them figure it out or send you a new k member to swap in to see if it cures the issue and you send the other back or some shit like that
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Old January 26th, 2011, 04:03 PM   #7
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Hey 89lx, both sides are the same. I am in the process of taking it off the car with the control arms and sending it back. Adam and his suspension techs at UPR have been a lot of help looking at all my pictures and trying to figure it out with out taking it off the car. But all the measurements look good so I am going to send it back to them and UPR is going to put it in there JIG to see if it is off somewhere. If it isn't off somewhere, then neither UPR or myself can figure out what is wrong. I will take some pictures of the sub frame as well and show you guys it looks good and straight to me.

thanks for all of your help and comments. I didn't expect this much interest in this topic and i thought I was screwing something up somewhere.
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Old January 26th, 2011, 05:05 PM   #8
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maybe the LX didnt rub cause of the body kit on the GT? just a thought?
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Old January 26th, 2011, 05:05 PM   #9
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maybe the LX didnt rub cause it doesnt have the body kit on the GT? just a thought?
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Old January 29th, 2011, 10:51 AM   #10
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93slayer: that is what I was thinking too. The LX doesn't have a ground affects piece on the front of the fender like the GT. So it makes the wheel look like it is sitting even further forward.
With it being equally as far forward on both sides, I highly doubt the sub frame is bent up at all. If that is the case, I guess I will be going out and buying a 4cyl notch(haven't owned a notch yet) and doing a complete swap of everything from suspension, motor, trans, brakes, brake lines, computer, and harnesses.
Don't want to do that at all, but I want my fox body.
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Old February 22nd, 2011, 07:58 PM   #11
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Well, I got a brand new K-Member and Control Arms from UPR yesterday. Let me tell you, UPR is one of the best businesses I've ever delt with. They have taken such good care of me. I want to put that out there because I would still reccomend UPR to anyone. I just have a screwed up car. Here are the results....

OLD UPR DRIVER SIDE:


OLD UPR PASSENGER SIDE:


NEW UPR DRIVERS SIDE:



NEW UPR PASSENGER SIDE:



Can't tell a difference? Neither can I. That is why I think I either have the wrong fenders on the car or the car is just, by some freak of nature, equally bent on both sides and needs to be sent to the graveyard.

So this means??? I think I am going to give up on the fox body's and try my luck with a 03/04 Cobra or something newer. I've had 4 fox body's and never had one the way I wanted, then this one came along and I thought I might just finally make it there and now look at it....

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Old February 22nd, 2011, 09:12 PM   #12
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Are going to take it to a frame shop ? the new pictures look worse then the old ones
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Old February 22nd, 2011, 11:50 PM   #13
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Did you square up the k member when you installed it? Do you have subframe connectors?
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Old February 23rd, 2011, 06:03 AM   #14
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My next step is to verify the fenders are correct and get it to a frame shop. The tires are slightly turned in the new pics so you can see where they are rubbing. I'm also gonna check the spindles again for the third time because the control arms themselves sit almost dead center in the finders.
As for squaring the k member up, there is less then 1/16 of an inch of adjustable movement in the UPR k members. So that wouldn't move my tires 2 to 3 inches forward.
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Old February 23rd, 2011, 09:04 AM   #15
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You can always elongate the wholes in the k member to get it to sit square I would think. My qa1 already has it that way and I have a good bit of adjustment where as the upr one on my other car doesn't but it sat square from go for me. Just another idea

What fenders do you think you could have? 91-93 had more clearance and I believe 85 though 89 were the same and could bolt up... I actually have on from an 86 on my blue 88 hatch and it matched the other oem 88 fender perfectly.
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Old February 23rd, 2011, 09:09 PM   #16
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flyin ryan: I would only be able to move the whole k member back maybe a 1/4 of an inch to 1/2 inch max if I elongated the wholes below the shock tower. I don't think that would bring my tires back 1-2 inches in the fender.
as for the fenders, I know the car has been re-painted. so that is why i have a theory about the fenders being wrong. a lot of times people will just replace the fenders wrather then repair them because they are so cheap to buy aftermarket. i also understand that the 91-93 fenders are different then the 87-90. to my understanding, the 91-93 fenders have bigger fender openings. the question is, how do they have bigger openings and still look right on the car? is the fender opening made more open at the front of the fender or the back? if that makes any sense. i think i will just have to pull the fenders and look for part numbers. check the spindles part numbers...again lol then if that isn't it, then it will need to go to a frame shop that won't just take one quick look at it and say it is the subframe. But I really don't think it is the subframe because if you look at my black 89 lx (the first picture on this page) you will see that the tires are sitting too far forward as well. the tires didn't rub on this car because there is no ground effects kit. so I think it would be virtually impossible to have 2 cars, from differen't states, and different owners, where the subframes are perfectly bent the exact same. hmmmm....i did use the spindles off the black one and put them on the red one because i didn't want to take all of that apart when I did the k member swap from the black 89 lx to the 90 gt....but I know I checked the part numbers on both spindles and they are correct for right and left side and I believe the same spindle was used 87 through 91 or 93 or something like that. hmmmmmm?

in the mean time, im looking at the 94-2005 models to see which one of those would be nice to have. just like everyone, i don't have a lot of money. i want a good looking car that runs quick, gets pretty good gas mileage, and has good street manners, that won't cost me an arm and a leg and my first born to buy/build. any opinions on this subject and why would be great to hear as well. especially from you guys/girls that have had fox body's as well as 94-2005 stangs.

thanks for everyones help and input. i really do like this site a lot.

Last edited by kennethlar07; February 23rd, 2011 at 09:14 PM.
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Old February 25th, 2011, 06:35 PM   #17
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Contacted Eric from JPC Racing today. Sent him the pictures, he told me to call him, we talked, he verified like you guys did that I checked everything, and now he is intrigued as to see what is wrong with this situation. I was also very happy at the fact that he took the time to email and talk with me on the phone and never once did he say I needed to bring my car to him to get advice. UPR and JPC are a bunch of stand up guys who pride theirselves in customer service and relations. I am so glad there are still people in the business that are helpful like that and won't just try to get you to their shop and buy their product.
Thanks UPR and JPC!

So, do I go buy a 4cyl with a good body and do a convert or do I just part it out, count my losses, and buy my Terminator that I have always wanted?
Hmmmm.....choices choices
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Old March 6th, 2011, 06:44 PM   #18
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Verified I have the right fenders on it. No frame shop yet. I am saving that until last resort. I have no idea what to do. Im getting really frustrated with all of this though. So I took my fustration out on the wire and started moving all the wires from the fender aprons to under the fender to make it look cleaner.
I am still open to suggestions on what to do with this whole suspension set up.
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Old March 8th, 2011, 07:57 PM   #19
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Let me ask you this though.

If I got a 94/95 K Member and A Arms, then wouldn't the motor not sit in the right spot? I.E. From the back of the upper intake to the firewall is 4 inches.

Also, the K Member and Rack and Pinion are sitting slightly to the rear of the oil pain hump. So i could still pull the rack and pinion off without pulling the K Member. Or I could change the oil pan gasket with just jacking the motor up away from the K Member.

Unless the difference between the Fox and SN95 K Member and A Arms is the actual mounting points for the A Arms but everything else is the same.

Im waiting for a package from MPS tomorrow. My Steering Linkage is sitting to far away from the column. So I order one from MPS just to make sure I have the right one in the car so that UPR and Me can rule that out.
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Old March 8th, 2011, 09:40 PM   #20
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79 to 95 mounting location are same... 94/95 a arms mount up to the same location on the k member but I believe they are different lengths.. also allot of companies including upr offer shorter a arms so don't know if the actual issue could be the a arms or not but I would have guested the k member all the way.
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