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Subject IMHO subframe spacers/collars are overrated >
     
Posted by kuah@splparts.com on March 10, 2003 at 1:03 PM
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In Reply To So..I'm not sold on the GD subframe spacers >>> posted by Scotts94z32 on March 10, 2003 at 12:21 PM
     
Message as far as wheelhop is concerned. It does help, but none of the local guys who installed them was able to eliminate wheelhop on a drag launch. Depending on your hp, tires, suspension setup (stiff road-race type suspension vs. soft drag type suspension), it may not be possible to completely eliminate wheelhop... even solid subframe bushings do not completely eliminate wheelhop. Just look at funny cars, no play in their drag-specific suspensions and they are still getting wheelhop...

But here are some other things to look at that influences wheel hop: shocks/springs, condition of Hicas tie rods, differential carrier bushings, multiple-link bushings, etc.

I just replaced my differential carrier bushings with a complete set of stiffer Nismo bushings (when installing the Tomei LSD), and it helped wheel hop alot.

There was a post where someone videotaped the rear suspension during a launch, and found movement in the multiple link bushings, as well as some arms actually flexing under the load. There is alot of play in the rear suspension, to eliminate all of that would take alot of $$$ and effort...

     
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