Questions regarding Suspension??? - Pontiac GTO Forum
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post #1 of 3 (permalink) Old 12-02-2007, 09:05 PM Thread Starter
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Questions regarding Suspension???

I was thinking of purchasing the global west upper control arm and the lower control arm specifically designed for the QA-1 coilover shock and spring kit with adjustable ride height.
Anybody have any inputs on them?? How does it ride??? Or should i just go for the Hotchkis Suspension Kit??
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post #2 of 3 (permalink) Old 12-03-2007, 05:49 AM
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I would do niether as far as UCA's go. You'll want to look into the SPC UCA's from SC&C and ATS's tall C5 spindles. That will correct the poor geometry the A-bodies have from the factory. You can use whatever LCA's you want. I'm using that, along with my stock LCA's (nothing wrong with them) for my new car. If you go with the ATS spindles, you'll need C5 (at least) brakes and wheels.

As far as your direct question goes, as long as you get the correct spring rates, you won't be dissapointed. They're a good way to adjust your suspension height, if that's what you're into. They really don't offer any advantage.
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post #3 of 3 (permalink) Old 02-15-2008, 02:43 PM
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Im not trying to start a fight but my two cents is that ride hight adjusting is for bad roads and people who havnt tuned suspension's before. The ride hight adjustment is just the begining.

Keep in mind this is just a simple brake down
Find your prefered hight
Put the car on corner weights
Add the left front and right rear weights together
Try to get the right front and left rear weight to equal the same number
You do this by rasing or lowering each corner of the car by the coil over.

This is neutral weight balance
now drive the car, if its pushing to much you need more rear sway bar or less front sway bar.
Over steer more front bar less rear.
Now go study this on the net and become more informative then this so i can learn from you.

From here ride height will make a diffrence in how the car handles, but originally the suspension was so out of tune you were just making the bad worse. Only long trial and error process can tune a good suspension that way.

As far as dampening or rebound adjustment this is generally based on how the cars suspension is reacting and the road surface you are driving on.

Hope this helps.
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