Hyperco (Hypercoil) C4 performance leaf springs
Thread Starter
Racer
Joined: Aug 2007
Posts: 252
Likes: 1
From: Ellicott City, MD
Hyperco (Hypercoil) C4 composite performance leaf springs
Last edited by 89FX3; Oct 30, 2008 at 12:45 PM.
Thread Starter
Racer
Joined: Aug 2007
Posts: 252
Likes: 1
From: Ellicott City, MD
Hyperco is what Van Steel sells...
http://www.vansteel.com/index.cfm?fu...&SubGroup=1950
A thread was posted by Van Steel when they were introduced in 2007 but I haven't seen any follow up postings.
The springs are offered in several different rates including one based on the Corvette Challenge series.
I'd like to hear back from people who've installed them, and how they compare to coilovers.
A thread was posted by Van Steel when they were introduced in 2007 but I haven't seen any follow up postings.
The springs are offered in several different rates including one based on the Corvette Challenge series.
I'd like to hear back from people who've installed them, and how they compare to coilovers.
Last edited by 89FX3; Oct 30, 2008 at 01:34 PM.
Thread Starter
Racer
Joined: Aug 2007
Posts: 252
Likes: 1
From: Ellicott City, MD
Here's a description from Van Steel's web site:
"The front Hi-Performance Springs are specifically designed to for autocrossing and/or improving track time. Increasing the spring rate on the front spring dramatically reduces nose dive under hard braking and improves the handling by controlling weight transfer. Ride qualities are not compromised with the increased rate.
The rear springs are disigned for drag racing, autocross racing or track time use. Increasing the rear spring rate allows you to control excessive weight transfer while cornering and reduces the squatting coming out of turns or launching when drag racing. "
"The front Hi-Performance Springs are specifically designed to for autocrossing and/or improving track time. Increasing the spring rate on the front spring dramatically reduces nose dive under hard braking and improves the handling by controlling weight transfer. Ride qualities are not compromised with the increased rate.
The rear springs are disigned for drag racing, autocross racing or track time use. Increasing the rear spring rate allows you to control excessive weight transfer while cornering and reduces the squatting coming out of turns or launching when drag racing. "
Last edited by 89FX3; Oct 30, 2008 at 01:35 PM.
Pro
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Safety Car
Joined: Apr 2005
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From: Dale City VA
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Burning Brakes
Joined: Sep 2006
Posts: 1,034
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From: Dorr MI
I ran Hyperco springs on my 95 Trans-Am I used as a daily driver/autocross car and they worked great. Also lowered the car about 1.25". Wonder if these lower the ride height also, or keep it stock??
Thread Starter
Racer
Joined: Aug 2007
Posts: 252
Likes: 1
From: Ellicott City, MD
Plus it doesn't present the coilover conversion issues I've read about on this forum.
Last edited by 89FX3; Oct 31, 2008 at 10:48 AM.
Thread Starter
Racer
Joined: Aug 2007
Posts: 252
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From: Ellicott City, MD
Pro
Joined: Mar 2008
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The suspension as system must matched and balanced to to grip levels and alignments for optimal performance. I don't run street tires anymore, except when Im feeling cheap but there is a huge difference tire width/compounds compared to grip levels...
Race Director
Joined: Apr 2000
Posts: 15,344
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From: Texas
I have their Z51 front spring (was able to get an OEM '90 Z51 rear). The spring is every bit as good as advertised and maybe better. Fantastic quality, perfect fit.
I use my car for HPDEs and based on in-car video analysis, it's clear my lap times improved (I did the springs and a 30mm front sway bar at the same time, nothing else).
I use my car for HPDEs and based on in-car video analysis, it's clear my lap times improved (I did the springs and a 30mm front sway bar at the same time, nothing else).
Instructor
Joined: Feb 2004
Posts: 134
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From: Snellville GA
I spoke with their sales rep. They basically are the the same rate as the Z-51 springs from 1990. (Front and rear) I have a used set I am selling also. Not stiff enough for me so I went to VBP and spoke with Gary . Good deal.
