1964-1970 Mustang Member Tech & Restoration Discussion

Bump Steer Correction

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Old 3/25/05, 06:05 AM
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Hi everyone,

Just did the Granada swap over the winter on my '65 2+2. I did not lower the front (yet) but I do plan on installing the Negative Wedge Camber corrector kit.

Pro-motorsports is selling an add on unit that claims to correct Bump Steer by repositioning the outer tie rod:

1 inch lower
1 inch forward
1/4 inch outboard (to reduce Ackerman angle)

Has anyone installed this kit? Does it perform as advertised? Entire kit is $450, and includes the negative wedge corrector.

Thanks, MikeR
Old 3/25/05, 09:27 AM
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PMS has developed a good generic solution. You MUST lower the upper arms or the kit will create major issues. I am fortunate to have spent time in their shop. They seem to have a good handle on things.
Old 3/28/05, 02:34 AM
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Originally posted by chemeng@March 25, 2005, 7:08 AM
Hi everyone,

Just did the Granada swap over the winter on my '65 2+2. I did not lower the front (yet) but I do plan on installing the Negative Wedge Camber corrector kit.

Pro-motorsports is selling an add on unit that claims to correct Bump Steer by repositioning the outer tie rod:

1 inch lower
1 inch forward
1/4 inch outboard (to reduce Ackerman angle)

Has anyone installed this kit? Does it perform as advertised? Entire kit is $450, and includes the negative wedge corrector.

Thanks, MikeR
I have done this swap on a 1966 car. The bumpsteer correctors are well engineered, and are simple enough to fit, one side of my car required minor trimming of the tie rod stud (where the castellated nut fits on) to fit under the bumpsteer corrector. There are comprehensive instructions with the kit. At the same time I fitted their progressive rated front coil springs, and negative wedge kit. All their stuff is well engineered, and with comprehensive instructions, and their service is good. As you probably know, fitting this kit entails lowering the UCA, they provide a stainless steel template for this, and all necessary hardware. The handling of my car was markedly improved after fitting their kit. A possible negative issue with this kit is that the bumpsteer correction is not adjustable as it is with some other kits (e.g. baer trackers), it is a 'one size fits all' kit and does not allow for the user to measure bumpsteer and eliminate as far as possible with precise adjustment by spacers.
Old 3/28/05, 12:55 PM
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$450?????

For $450 plus the cost of the Grenadas you could have put some nice brakes on there.
Old 3/28/05, 02:55 PM
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That $450 also includes the negative wedge kit (which is also overpriced IMO). I'd rather spend money on tubular control arms... Just my $.02
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