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GT500KR Wheel Hop


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#1 OFFLINE   longebow

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Posted 24 February 2009 - 09:40 AM

Hey Team Shelby Members--I was wondering if any KR owners are noticing "wheel hop" when they are "generous" with the gas pedal? I took my 08 KR in to have the clutch/transmission checked out (it only has about 1000 miles on it, and they won't fix it until it has a "problem"), but noted on their testing that it had the same wheel hop I have noticed. They are waiting for a full explanation for this issue, but the initial report is that "wheel hop is a normal characteristic of the KR."

Any others with the same experience and/or recommendations? Thanks.

#2 OFFLINE   frydguy79

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Posted 24 February 2009 - 10:30 AM

Hey Team Shelby Members--I was wondering if any KR owners are noticing "wheel hop" when they are "generous" with the gas pedal? I took my 08 KR in to have the clutch/transmission checked out (it only has about 1000 miles on it, and they won't fix it until it has a "problem"), but noted on their testing that it had the same wheel hop I have noticed. They are waiting for a full explanation for this issue, but the initial report is that "wheel hop is a normal characteristic of the KR."

Any others with the same experience and/or recommendations? Thanks.



you need the upper control arm and lower control arms just like the GT500's
the J&M stuff are great

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#3 OFFLINE   GT500-07

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Posted 24 February 2009 - 10:48 AM

take your pick,
http://www.lethalper...-2052_2149_2152

#4 OFFLINE   RKW

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Posted 26 February 2009 - 07:25 AM

If I were to start changing control arms, I would look at this also:

http://store.roushpe...ail.aspx?ID=772

Another option would be these:

http://www.cheperfor...ie/prod-209.htm

These will lower the rear control arm attachment point a little, helping keep your rear planted under acceleration. For an explanation of the geometry look at this:

http://www.cherod.co...To/LCA _adj.htm

Ideally you want both lower control arms parallel to the ground for best handing. That way the rear axle will stay perpendicular to the vehicle centerline as the body rolls. However, some of the lowered race mustangs do not have this ideal geometry. For example, FR500C apparently keeps stock lower control arm attachment points, meaning the arms angle up slighly toward the rear since the body is lowered. On the other hand, the new cobra jet drag car apparently has lower rear attachment points.

I personally would not consider changing lower control arms to ones with urethane bushings as a first option. On the new mustang rear suspension, the 3-link design requires a certain amount of bushing compliance or "give" which allows the axle to articulate over uneven roads etc... The control arm bushings on these cars are highly engineered pieces designed to work as a system with the rest of you suspension components. If you just change some out you may get unpredictable results. Of the options out there, I agree that the J&M look to be the best engineered. They also explain the compliance/articulation issue quite well:

http://www.hotpart.c...r...detail&p=45

Edited by RKW, 26 February 2009 - 08:56 AM.


#5 OFFLINE   longebow

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Posted 01 March 2009 - 01:55 PM

Thank you all for your recommendations!

#6 OFFLINE   chuckstang

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Posted 02 March 2009 - 09:18 AM

For stock like ride and comfort

Please go Roush.

I will let you kick me in the teeth if you dont like them
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#7 OFFLINE   08GT500KR

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Posted 22 March 2009 - 09:59 AM

Hey Team Shelby Members--I was wondering if any KR owners are noticing "wheel hop" when they are "generous" with the gas pedal? I took my 08 KR in to have the clutch/transmission checked out (it only has about 1000 miles on it, and they won't fix it until it has a "problem"), but noted on their testing that it had the same wheel hop I have noticed. They are waiting for a full explanation for this issue, but the initial report is that "wheel hop is a normal characteristic of the KR."

Any others with the same experience and/or recommendations? Thanks.

Install the adj. ucl and lcl, and add a Fay's Watts Link.

#8 OFFLINE   shelby001

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Posted 22 March 2009 - 12:18 PM

name badges
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#9 OFFLINE   Grabber

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Posted 22 March 2009 - 12:53 PM

:headscratch: :headscratch:


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#10 OFFLINE   Matts

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Posted 22 March 2009 - 04:33 PM

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#11 OFFLINE   08GT500KR

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Posted 13 April 2009 - 06:03 PM

Hey Team Shelby Members--I was wondering if any KR owners are noticing "wheel hop" when they are "generous" with the gas pedal? I took my 08 KR in to have the clutch/transmission checked out (it only has about 1000 miles on it, and they won't fix it until it has a "problem"), but noted on their testing that it had the same wheel hop I have noticed. They are waiting for a full explanation for this issue, but the initial report is that "wheel hop is a normal characteristic of the KR."

Any others with the same experience and/or recommendations? Thanks.



When you ask Frod they state it is the driver not the car




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