89 foxbody hard to control - Mustang Evolution

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Old 05-02-2016, 10:58 PM   #1
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89 foxbody hard to control

my 89 mustang has been a pain to keep straight on the road lately or should i say for a long while now. when i step on the gas i have to re adjust the steering wheel in order to keep straight going 40 mph. I'm not peeling out when i do this either, also when on the highway going about 60 to 70 the car's steering gets real sensitive and shakes a bit, one wrong nudge of the steering wheel can send me into the other lane.

I changed out the rack and pinion , swaybar bushings and replaced the steering shaft to fix this but only stiffened the steering, don't get me wrong it was a huge difference from the old sloppy steering with play i had but i still can't keep it straight when going a little fast.

could this be the ball joints or tie rods or maybe the front is lifting up just enough to lose front end traction? I'm hoping some one has encountered this problem and could shed some light on my problem. thanks again!
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Old 05-03-2016, 10:17 PM   #2
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Without knowing what is happening down there and just throwing money at it slap it on a rack and see what is happening down there. It could end very dangerously. I knew someone driving around with 2 broken springs and he tried almost everything till we put it up and checked her out really good.

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Old 05-04-2016, 12:05 AM   #3
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Thanks smurf I will have to get it on a lift tomorow and take a good look, especially at the springs now that you mention it. I'm still running stock springs. I'd like to add that the car also likes to steer towards anything bumpy in the road. I hit a bump or street reflector and my car suddenly steers. Thanks again and I will let you know what I find tomorow

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Old 05-04-2016, 07:52 PM   #4
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Good luck brotha and it's also a safety thing.

Also these cars handle like cadillacs so don't expect the world. When I took my sway bar off and with the 90/10's I learned that patience is a virtue.

Then I got the Kmemeber with coil overs and slapped a smaller sway bar on and realized ever little bit helps.
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Old 05-04-2016, 08:59 PM   #5
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I had similar problem but not as extreme. Went with manual rack, steering shaft w/ u-joints, polyurethane bushings on sway bar, end links, rack, ball joints, and coil spring isolators. Steering is really tight and responsive, just right imo.
When you replaced the steering shaft did you go with a rag joint style?

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Old 05-05-2016, 12:04 PM   #6
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I had a similar problem with my fox body mustang. mine ended up being the rear lower control arm bushing were rotten and falling out.
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Old 05-05-2016, 12:16 PM   #7
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Quote:
Originally Posted by RoCoBass View Post
I had similar problem but not as extreme. Went with manual rack, steering shaft w/ u-joints, polyurethane bushings on sway bar, end links, rack, ball joints, and coil spring isolators. Steering is really tight and responsive, just right imo.
When you replaced the steering shaft did you go with a rag joint style?

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I switched my steering shafts with one that doesn't have the rag joint, just a u-joint.

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Old 05-05-2016, 12:29 PM   #8
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Check your upper and lower rear control arm bushings. When they go bad this can happen.
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Old 05-05-2016, 09:44 PM   #9
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Yes checkbyour rear upper and lower control arm bushings and also check your tires. Make sure they dont have bad spots or a busted belt in them.

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Old 05-27-2016, 02:26 PM   #10
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Hey guys. I finally replaced my rear control arms with tubular ones and replaced my rear tires aswell. Looks like my problem has been solved! The old controll arm bushings were shot and the arms were kind of warped over the years. Now my car launches much better. Thanks guys for the help!

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Old 05-27-2016, 03:47 PM   #11
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Boom...another happy customer.
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Old 05-27-2016, 04:05 PM   #12
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That's great to hear & thanks for the update. Imo you should look into torque box reinforcement plates, depending on how hard you drive that car... now that it has stiffer lca.

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