racing suspension
#1
racing suspension
i have an rx-7 i have been working on for a bit, and it is finally reliable enough to just have to worry about up keep. i was thinking about it lastnight, and am going to make it my auto-x car instead of my daily(my old auto-x car was a 95 ford probe) so i need to know where there are some good package deals for sway bars, springs, shocks ect. i found this one website a while back called fc3s.org i think, but i cant find it anymore. by the way it is an '86 sport.
#2
Airflow is my life
I think its www.teamfc3s.org
#3
Ex fd *****
Originally posted by Rx7carl
I think its www.teamfc3s.org
I think its www.teamfc3s.org
#4
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I wouldn't look for a package. Just get some adjustable shocks and some coilovers. Go for adjustability.
I have a '95 PGT. Not that great for autocrossing. It's huge compared to the other cars that compete. It's still a great car though. (But why did they have to give it that name...?)
I have a '95 PGT. Not that great for autocrossing. It's huge compared to the other cars that compete. It's still a great car though. (But why did they have to give it that name...?)
#6
Re: racing suspension
Originally posted by stevensimon
i have an rx-7 i have been working on for a bit, and it is finally reliable enough to just have to worry about up keep. i was thinking about it lastnight, and am going to make it my auto-x car instead of my daily(my old auto-x car was a 95 ford probe) so i need to know where there are some good package deals for sway bars, springs, shocks ect. i found this one website a while back called fc3s.org i think, but i cant find it anymore. by the way it is an '86 sport.
i have an rx-7 i have been working on for a bit, and it is finally reliable enough to just have to worry about up keep. i was thinking about it lastnight, and am going to make it my auto-x car instead of my daily(my old auto-x car was a 95 ford probe) so i need to know where there are some good package deals for sway bars, springs, shocks ect. i found this one website a while back called fc3s.org i think, but i cant find it anymore. by the way it is an '86 sport.
#7
Rotary Freak
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K2RD.com
I have c/c plates and coilovers with 400lb springs up front and 275lbers out back with KYB AGX adjustable struts/shocks. The springs are very stiff on the street but on smooth road they are awesome.
I also got a rear adjustable camber link.
-2* camber up front with a teensy bit of toe in
-1* out back with near zero toe
Car handles amazing . Mine was a base model SE with no options. I converted it to T2/GXL brakes/rims/differential with Motul brake fluid, braided steel brake lines, and HAWK HP+ pads. Stock 13B with 160K on the clock runs strong.
Get the rear toe eliminator bushings as suggested already. These are a must for performance driving.
-GNX7
350/250lb springs would probably be a better choice.
I have c/c plates and coilovers with 400lb springs up front and 275lbers out back with KYB AGX adjustable struts/shocks. The springs are very stiff on the street but on smooth road they are awesome.
I also got a rear adjustable camber link.
-2* camber up front with a teensy bit of toe in
-1* out back with near zero toe
Car handles amazing . Mine was a base model SE with no options. I converted it to T2/GXL brakes/rims/differential with Motul brake fluid, braided steel brake lines, and HAWK HP+ pads. Stock 13B with 160K on the clock runs strong.
Get the rear toe eliminator bushings as suggested already. These are a must for performance driving.
-GNX7
350/250lb springs would probably be a better choice.
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#16
Rotary Freak
Spring Rates
Carl isn't the only one way up there with spring rates. I have successfully run rates up to 800/ 500. Most times I am running lower with 600 / 400 the most common. The choice of rates is very dependant on the roughness of the track, sway bar rates, ride height, tires, posi engagement rate and shock damping capability. Spring rate suggestions are only that, suggestions. What is acceptable for racers like Carl or myself may not work for you due to your driving style. Just my $.02.
#18
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Actually I am currently running 550/300, there is too much body roll IMHO, and the car pushes at the limit(turn 4 at Sears). This is with a 2 way adjustable bar set on full stiff(suspension techniques I believe) I currently have Koni Yellows. I put 700/550 on briefly to see what the body roll was like, and even under-damped,(yellows, well beyond their stock limit) the car was much closer to neutral, with a little bit of oversteer at the limit(just how I like it). I believe I will be going to the GC/AD set-up, with speedway tubular bars(front at least), and rates in the neighborhood of 700/550. I may go a little softer(400-450) out back to help hook the power, which will be in the 450-500rwhp range. Since I am changing everything, my future set-up should not serve as a guide to anyone. As far as my existing set-up, I would say it is about perfect for an agressively driven dual use car. For serious track work it leaves much to be desired. I also need to get the car lower, as I was just right at the bottom of the front perch with a 6" 550lb spring, and 235-40-17s(24.5" diameter). My new tires will likely be in the 25-25.5" range, so I need more adjustment. I will probably end up "farming out" the suspension set-up, as I feel it is beyond my ability to maximize the potential of the car.
#24
Ex fd *****
quote:
--------------------------------------------------------------------------------
Originally posted by maxpesce
some e-prod cars run 900# + up front
--------------------------------------------------------------------------------
fd's need stiffer springs in relation to fc's due to the more inboard location of the spring.
--------------------------------------------------------------------------------
Originally posted by maxpesce
some e-prod cars run 900# + up front
--------------------------------------------------------------------------------
fd's need stiffer springs in relation to fc's due to the more inboard location of the spring.
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