C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Prothane vs. Energy Suspension

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Old May 3, 2005 | 05:16 PM
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Default Prothane vs. Energy Suspension

Both have complete poly bushing kits for our cars. Is one better than the other? Prothane is cheaper
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Old May 3, 2005 | 05:27 PM
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Don't know if one is better than the other. But, Energy Suspension claims that their black bushings are graphite impregnated to help stop squeeks. I went with ES.
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Old May 3, 2005 | 05:33 PM
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And not the red ones? ( I just bought a set of the red ones!)

BTW If you lube 'em right, they shouldn't squeak, right?
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Old May 3, 2005 | 05:36 PM
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Both offer black... but I heard that they typically dont squeel if you use enough lubricant
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Old May 3, 2005 | 06:09 PM
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I have poly bushings for my sway bar. We used a lot of lube when we assembled them. After 2 years (15k miles), they squeaked. Now it is pretty bad, 3 years later.

When I get the money to put more poly on, I am going to try the graphite ones.
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Old May 3, 2005 | 07:09 PM
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I used the energy suspension kit.
As far as completeness goes, note that the sway bar bushings and endlinks are sold seperately. You'll need to know what size bars you have when ordering.
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Old May 4, 2005 | 09:15 AM
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TTT. More feedback anyone?
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Old May 4, 2005 | 09:31 AM
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Originally Posted by 89 Paul in Cal
As far as completeness goes, note that the sway bar bushings and endlinks are sold seperately. You'll need to know what size bars you have when ordering.
www.suspension.com sells everything including the swaybar bushings and endlinks. He has everything in stock! Read the suspension tips and swaybar tips. Also from that site is the following:

Q. Do all of the Energy Suspension polyurethane bushings contain 'graphite' to stop squeaks?
A. No, only the BLACK polyurethane bushings can contain 'graphite'. If graphite was used in the red, yellow or blue bushings it would make them gray in color. Graphite is included in the black bushings to help with the squeak problem that urethane can have. The newest 'Hyper flex' formula is designed to decrease the possibility of squeaks even further. Strut rod bushings do not use graphite, because they are a compression type bushing and the graphite would affect the bushings ability to rebound when compressed, and compression type bushings do not squeak.
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Old May 4, 2005 | 10:02 AM
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Originally Posted by Corf
www.suspension.com sells everything including the swaybar bushings and endlinks. He has everything in stock! Read the suspension tips and swaybar tips. Also from that site is the following:

Q. Do all of the Energy Suspension polyurethane bushings contain 'graphite' to stop squeaks?
A. No, only the BLACK polyurethane bushings can contain 'graphite'. If graphite was used in the red, yellow or blue bushings it would make them gray in color. Graphite is included in the black bushings to help with the squeak problem that urethane can have. The newest 'Hyper flex' formula is designed to decrease the possibility of squeaks even further. Strut rod bushings do not use graphite, because they are a compression type bushing and the graphite would affect the bushings ability to rebound when compressed, and compression type bushings do not squeak.

Looks like Black is the way to go.
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Old May 4, 2005 | 10:10 AM
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Who wants orange anyways? DOes the prothane kit have graphite? I'm guessing no
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Old May 4, 2005 | 10:40 AM
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Originally Posted by Corf
www.suspension.com sells everything including the swaybar bushings and endlinks. He has everything in stock! Read the suspension tips and swaybar tips.
Not exactly. They just think they do. Ask them to check inventory over the phone.

I also ordered front and rear shock bushings from them for my 85 that turned out to be the wrong application. He wouldn't pay for return shipping on those so I said to hell with it and threw them in a box somewhere. So I said, "at least correct your website", and he said that he would. Never happened.
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