Autocross and Road Racing Technique There is more to life than a straight line

poly/poly or rubber/poly LCA's?

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Old Aug 5, 2003 | 05:54 PM
  #1  
Zach94's Avatar
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From: TN
poly/poly or rubber/poly LCA's?

Which are best?
Also: Weld in or bold on LCA relocation brackets?
Please help me out
Old Aug 6, 2003 | 06:13 AM
  #2  
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From: Versailles, KY, USA
You didn't say what you use the car for, but since you posted in this forum I assume you're concerned with handling and not just straight line performance. In that case, forget the poly/poly and poly/rubber.

With a good torque arm (Random Tech, LG Motorsports), panhard rod (LG Motorsports double adjustable), and rear tire inflation pressure (28~30) you may not even need LCAs. I don't have them, and don't get any wheel hop.

If you do need LCAs, jump stright to the double rod end or poly/rod end pieces from LG.

The rod ends on my LG panhard rod and Random Tech torque arm don't make any noise at all, but supposedly the rod ends on LCAs do make noise and affect the ride. I've heard the LG poly/rod end combo works well, but haven't tried it.

Like I said, though, you may not even need them. Simply overinflating the rear tires (a common mistake) will increase wheelhop, and a torque arm will help a lot.
Old Aug 6, 2003 | 03:15 PM
  #3  
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I have pretty bad wheel hop on acceleration. I have read LCA's and LCA relocation brackets will help to fix this. I am looking to purchase some if this is true and just wondered which ones to get. I am more interested in handling than take off but i dont do Auto X or race at the track so I dont need extremely high quality equipment. any suggestions?
Old Aug 6, 2003 | 04:09 PM
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From: Brookville, PA
I notice there is no mention of better shocks in your sig. That'll have a BIG effect on wheel-hop. And a large reason why say Sgarnett probably doesn't have any trouble with it.

I don't use poly-poly in anything I tune. Acutally more often than not I use the stock arms if the bushings are good....

I agree with sgarnett a better torque arm will plant the axle harder. But the shocks will help to since they won't let things bounce around so much and get an hop going.
Old Aug 6, 2003 | 04:52 PM
  #5  
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Yes, I have stock shocks still on my car. I just want to fix the wheel hop and hopefully not spend a ton of money. Will the LCA relocation brackets fix it? If not what will?
Old Aug 6, 2003 | 05:58 PM
  #6  
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Possibly, but possibly not. Considering that none of my cars have them, but they all have good shocks I'd say that would be a better bet, and some of them are lowered too.

You might not want to spend a ton of money (who ever does?), but if you want the car to work the the way should, don't be surprised when it takes more than some LCA relocation brackets. The Arms can flex adding as much (usually more) hop than the lack of brackets. The stock torque arm flexes alot. The stock shocks don't have the damping to control the axle movement relative to the body motions, and so on.
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