Lower control arms?

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kustomizm
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Lower control arms?

Postby kustomizm » Mon May 20, 2013 10:35 am

So I have been looking for better traction and reduced wheel hop and looking into lower control arms to stiffer the rear end. As you can imagine there are a lot out there. Thinking this will help in the corners as well. Ideas, opinions?
Derek R. #30 Silver 2011 Ford Mustang GT

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Re: Lower control arms?

Postby rigby » Mon May 20, 2013 1:09 pm

You may not care, but you may not be happy with the class you wind up in.
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Re: Lower control arms?

Postby Zoomy » Mon May 20, 2013 3:22 pm

Maybe have someone else drive your car at an event to see if they feel the same way about your suspension. Sometimes we all get so locked into our cars and mindsets that we are often blinded by our own decisions/choices. For instance I can never sense when I am hitting/riding on my bump stops, however, Richard has noticed it a few times when he has driven my car. I still haven't done anything with the suspension as a result, due to the cost (coilovers are expensive), but at least I have someone elses objective opinion. At what point are you getting wheel hop? Acceleration, braking, cornering?
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Re: Lower control arms?

Postby Rocwandrer » Mon May 20, 2013 3:39 pm

kustomizm wrote:So I have been looking for better traction and reduced wheel hop and looking into lower control arms to stiffer the rear end. As you can imagine there are a lot out there. Thinking this will help in the corners as well. Ideas, opinions?


Can you do bushings (panhard, trailing arm?) within the stx ruleset and make an improvement? I'd be asking this question on the autocross specific sub forum of the best mustang specific forum out there. Why reinvent the wheel? People should be able to tell you what makes the biggest difference for preventing wheel hop.

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Re: Lower control arms?

Postby Driven » Mon May 20, 2013 4:16 pm

I'll drive it!
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Re: Lower control arms?

Postby Driven » Mon May 20, 2013 4:16 pm

Ay thing to help you know! :D
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Re: Lower control arms?

Postby FullAhead » Mon May 20, 2013 4:49 pm

Rocwandrer wrote:
kustomizm wrote:So I have been looking for better traction and reduced wheel hop and looking into lower control arms to stiffer the rear end. As you can imagine there are a lot out there. Thinking this will help in the corners as well. Ideas, opinions?


Can you do bushings (panhard, trailing arm?) within the stx ruleset and make an improvement? I'd be asking this question on the autocross specific sub forum of the best mustang specific forum out there. Why reinvent the wheel? People should be able to tell you what makes the biggest difference for preventing wheel hop.


As an OCD mustang researcher, I can tell you that the culprit for the significant wheel hop that certain models of Mustang have has been narrowed down to the LCA by the forum community. Often still needing relocation brackets if lowered any more than he is. It's actually mostly the bushings within that LCA more than anything else.
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kustomizm
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Re: Lower control arms?

Postby kustomizm » Mon May 20, 2013 9:01 pm

So maybe i can at least run the track pack arms since they are available as an option. Still an oem part.
Derek R. #30 Silver 2011 Ford Mustang GT

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Re: Lower control arms?

Postby kustomizm » Mon May 20, 2013 10:12 pm

Carl, I get it some when really trying to accelerate. Not braking or cornering. Brian, I will have you drive it this year. Maybe some fun runs. I would try the shoot out but not sure about my schedule. I cant make all the events due to potentionally being on call for work.
Maybe more tire would help too.
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Re: Lower control arms?

Postby DM » Tue May 21, 2013 6:44 am

kustomizm wrote:So maybe i can at least run the track pack arms since they are available as an option. Still an oem part.


as an individual line item or as part of a option "package"/ If in a package, you need to add the entire package, including any stupid parts like badges etc... dumb but thems the rules...
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Re: Lower control arms?

Postby kustomizm » Tue May 21, 2013 7:04 am

Dan, that is ridiculous. A similar car can have better parts in the same class and compete legally. All from oem. Sounds dumb. I get that is the way the scca set it up but its stupid. The same two cars one can have better parts from the factory the other cant because that car didn't come with it.
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Re: Lower control arms?

Postby SoloSE-R » Tue May 21, 2013 7:50 am

kustomizm wrote:Dan, that is ridiculous. A similar car can have better parts in the same class and compete legally. All from oem. Sounds dumb. I get that is the way the scca set it up but its stupid. The same two cars one can have better parts from the factory the other cant because that car didn't come with it.


The reason you can't pick and choose parts from different option packages is that you might end up with a car that never existed being the top car in class. Let's say hypothetically that a track pack car has much stiffer springs, but also comes with a bunch of heavy bracing, heavy aero parts unnecessary at autox speeds, and huge brakes with heavy 19" wheels. If you swapped just the springs onto a non-track pack car, you'd end up with something faster overall than the track pack car, and the reason for requiring the whole package be swapped together is to prevent this situation. It may seem silly in isolation, but letting people pick and choose which parts they want from each option package has a huge potential for headaches in a stock class.

For example, I am in the same class as an 08-09 S2000 CR. The CR has larger, wider wheels, springs that are about 50% stiffer in the front and 30% stiffer in the rear, bigger swaybars, special aero parts, special ECU tuning and no soft-top (or associated motors). I can't swap the CR springs or wheels onto my car even though I'd still be slower than the CR if I did. But if the early models were significantly lighter and they got to pick and choose CR parts, you might end up with a car that was never supposed to exist dominating the class. There's no way to write every rule to be fair to everyone.
Josh
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kustomizm
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Re: Lower control arms?

Postby kustomizm » Tue May 21, 2013 8:17 am

I see your point. I was picturing a Boss Mustang with springs in STX, it would have a huge advantage. With better rear diff. And better rear lower arms.
I will get wider tires this summer and try them. Hopefully i will have more traction coming out of corners and be able to put more power down.
Derek R. #30 Silver 2011 Ford Mustang GT

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Re: Lower control arms?

Postby MR Chuck » Tue May 21, 2013 8:30 am

Allowed option swaps are a tough thing to figure out. If non-oem option swaps were allowed, Id be putting my SI motor/trans in my light DX. Id be up 25-30 hp, better hp/tq curves, have better gearing, and avoided the heavy option list that comes with the SI.

I think if you are ok with moving up to ST, there are a few things you could do to help the wheel hop.

Swapping those arms would probably put you in SP.
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Re: Lower control arms?

Postby Rocwandrer » Tue May 21, 2013 8:32 am

Have you guys looked at the rules?


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