Best suspension for road racing?

Skankin · 02-11-2001, 05:47 PM

You should check the corner carvers section!!!

The KYB GR2's provide decent ride and handling for a modest spring rate. I'm using the FMS5300B springs (425-525 front, 200-300 rear). The budget springs were $130.

FYI: when you just use shorter springs to lower the front, you end up lowering the roll centre even more (due to the angle of the control arm). THis means you get more roll, if you don't increase spring rate (or change the geometry).

Also, the inside front tire looses grip really fast, so a high spring rate will keep it down. The FMS5300C springs (600# fronts) would be better. I feel the bumps with the urethane front LCA bushings anyway (which I highly recommend... really helps maintain alignment).

I really gotta do something with the rear (still have stock LCA's etc). I bottom out with a passenger in the rear, and the stock UCA's cause aweful binding, and rear brake jacking. I might go for the MM TA/PHB package, or look for a used IRS ;-) Not sure.

Now that I've been down the budget route... I wanna improve the front... this means geometry. I could go the K-member route, but since I'm gonna need 5 lug spindles anyway, I might go for some dropped spindles www.ajeracing.com
www.griggsracing.com has an awesome complete package... ground pounder is a bit of a cheap hack... maximum motorsports has some great stuff, but they haven't revised the front geometry yet (they're releasing a k-member soon).

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02-11-2001, 05:47 PM	#4
Skankin Registered Member Join Date: Dec 1998 Location: London, Ontario, Canada Posts: 1,349	You should check the corner carvers section!!! The KYB GR2's provide decent ride and handling for a modest spring rate. I'm using the FMS5300B springs (425-525 front, 200-300 rear). The budget springs were $130. FYI: when you just use shorter springs to lower the front, you end up lowering the roll centre even more (due to the angle of the control arm). THis means you get more roll, if you don't increase spring rate (or change the geometry). Also, the inside front tire looses grip really fast, so a high spring rate will keep it down. The FMS5300C springs (600# fronts) would be better. I feel the bumps with the urethane front LCA bushings anyway (which I highly recommend... really helps maintain alignment). I really gotta do something with the rear (still have stock LCA's etc). I bottom out with a passenger in the rear, and the stock UCA's cause aweful binding, and rear brake jacking. I might go for the MM TA/PHB package, or look for a used IRS ;-) Not sure. Now that I've been down the budget route... I wanna improve the front... this means geometry. I could go the K-member route, but since I'm gonna need 5 lug spindles anyway, I might go for some dropped spindles www.ajeracing.com www.griggsracing.com has an awesome complete package... ground pounder is a bit of a cheap hack... maximum motorsports has some great stuff, but they haven't revised the front geometry yet (they're releasing a k-member soon).