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Kirkham Motorsports

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  #1 (permalink)  
Old 07-20-2011, 10:43 AM
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Join Date: Jul 2010
Location: McMurray, PA
Cobra Make, Engine: Superformance #522
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Looks like these just move the bumpsteer problem. Looking at their numbers, bump steer is increased on compression but reduced on drop. Has anyone come up with a solution to significantly reduce overall bump steer?

Last edited by vatdevil; 07-20-2011 at 08:18 PM.. Reason: Better explanation
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Old 07-22-2011, 03:41 PM
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Location: Carlsbad, Ca
Cobra Make, Engine: SPF 2932 with 438 Lykins Motorsports engine. Previous owner of FFR 5452.
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Ok, here's the poop.

My car has 8200 miles on the original ball joints (car #2932). Steering has always felt loose and every little bump would shake the wheel. Not to mention the front end vibration at 65-70 mph that could not be eliminated by any balance method (on or off the car).

So, installed four of the mid grade ball joints form Cobra Valley and the car feels like it should have from day one. Steering is much smoother. Bumps seem to be damped better and the 65-70 mph shake is gone.

I did have the car realigned and the fronts balanced while on the car after the installation.

If your steering feels sloppy and jumpy, get the ball joints and dont look back. Well worth the expense in my opinion. I've been fighting this front end for two years. There is a solution and the ball joints are a work of art compared to the stock joints.
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Old 07-22-2011, 08:03 PM
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Cobra Make, Engine: 408w 500 h.p. 550 ft.lbs
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I read their information & even with these high performance ball joints the "corrected geometry" still produces .999" 0f t/o @ 3" compression & 1.97" t/o in 3" droop.
I don't see how a car can steer correctly with that much bump steer, unless you are always on glass smooth roads. I can't believe any quality manufacturer would build over 3" of bump steer into a high performance car.
Seems to me the car would be darting every which way on a non-perfect road & when backing of at high speed the car would be very uncomfortable.

J.M.O.

Craig
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