rear composite spring.
Thread Starter
Pro
Joined: Jul 2010
Posts: 532
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From: new york city ny
rear composite spring.
I will be purchasing 360lb rear composite spring for my 1981 vette. But witch company should I pick? TWR? VBP?? any other options?
S.
ps. On the end I will want to lower my car 1-2 inch.
S.
ps. On the end I will want to lower my car 1-2 inch.
Last edited by scyzoryk23; Jan 20, 2011 at 10:13 AM.
Supporting Vendor
Joined: Mar 2008
Posts: 576
Likes: 3
From: Muskegon MI
Of course I vote for the TRW spring. If you are looking to go lower that will require a longer-than-stock bolt. If you call me to order I am sure I can make up a forum special for you. Let me know if you have any questions on the TRW spring.
Andrew
800-442-0335
Andrew
800-442-0335
Burning Brakes
Joined: Jun 2009
Posts: 840
Likes: 4
From: Syracuse IN
I put in a Muskegan TRW spring in 2 seasons ago, Extreamly happy. The rear may be up about 1" higher than front, but that is fine with me. I like being able to run down wavy country roads quick and no bottoming. Muskegan was excellant to work with, very easy to install too. I suggest on buying a set of the High performance shocks also. Al
Le Mans Master
Joined: Nov 2001
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From: LONG ISLAND
2025 C3 ('68-'73) of the Year Finalist - Unmodified
2024 C3 of the Year Finalist - Unmodified
2023 C3 of the Year Finalist - Unmodified
Curious, why composit ? is your car a custom car ? I once installed one of these, in my other no match vette, it was way too stiff, extreemely bouncey & hated it.......went back to the factory steel / leaf set up.............
Thread Starter
Pro
Joined: Jul 2010
Posts: 532
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From: new york city ny
I already have 550lb front springs, Bilstien sport shocks (front and back), and HD sway bars (front and back). I need rear spring to match my setup.
I got all that because I want my vette to handle little bit better that what GM had to offer.
S.
I got all that because I want my vette to handle little bit better that what GM had to offer.
S.
Drifting
Joined: Aug 2010
Posts: 1,626
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From: Kanuckistan
2022 C3 of the Year Finalist - Modified
I would personally don't go the TWR way because of the height issue.
Last edited by Denpo; Apr 20, 2012 at 11:09 PM.
Thread Starter
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Joined: Jul 2010
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From: new york city ny
I am actually buying one from him.
Thanks.
ps. Whats wrong with TWR in relation to height issue? I will use 10" bolts.
Thanks.
ps. Whats wrong with TWR in relation to height issue? I will use 10" bolts.
Drifting
Joined: Aug 2010
Posts: 1,626
Likes: 140
From: Kanuckistan
2022 C3 of the Year Finalist - Modified
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Team Owner
Joined: Jul 1999
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From: Orange Park Florida
I have HEARD that VBP will shorten the spring on each end, allowing use of longer bolts....but you have to inquire over that....
Thread Starter
Pro
Joined: Jul 2010
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From: new york city ny
I have 18x9 rims on the back.
S.
S.
Factory steel rides like a WW2 tank, the VBP 360 spring is on the rear of my '72 vert with Bilstein sports for years now, much improved over the KYB shocks....so you set there, just get the VBP spring....and I have 8" bolts, I have a 7/8? front bar and stock rear bar.....my car rides really well...trick is....for lowering you will need to have longer bolts maybe 10" but then you need larger wheel size so when they bounce, the spring straightens out, obviously, so pushes that bolt into the side of the tire....I have stock height and 17" wheels with 8" bolts on my VBP 360 spring.....I dunno if maybe need 18" rims for a 10" bolt.....
I have HEARD that VBP will shorten the spring on each end, allowing use of longer bolts....but you have to inquire over that....
I have HEARD that VBP will shorten the spring on each end, allowing use of longer bolts....but you have to inquire over that....
Intermediate
Joined: Feb 2012
Posts: 30
Likes: 0
From: Waterloo Illinois
I am running a TRW rear spring on a 79. I am using 10" bolts. I have 28"(ground to fender well) ride height. The tip of the spring only clears thetire wall by 1/8". What can I do to correct this?
Melting Slicks
Joined: Jun 2003
Posts: 2,802
Likes: 241
From: Niles, MI
Remove the TRW spring and install a VBP. And you might ask Muskegon Brake to refund your money since they continue to sell springs with known height (over arched) problems.
Thread Starter
Pro
Joined: Jul 2010
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From: new york city ny
I have the same problem on my vette. I am thinking about removing the spring and cutting an inch of each side to help with the clearance issue.
OR selling it and get VPB spring.
S.
OR selling it and get VPB spring.
S.
Team Owner
Joined: Aug 1999
Posts: 30,995
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From: Ontario
Why a clearance issue?
Last edited by Paul L; Apr 20, 2012 at 08:01 PM.
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Joined: Jul 2010
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From: new york city ny
