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5/10/10 9:51am - Original Message: 'front end'
Former Member
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West Bend, WI - USA

1985 silver coupe & 1975 red coupe

Joined: 3/18/2010
Posts: 46
I want to rebuild the front end of my high mileage 1975 Vette. I have a choice between rubber and polyurethane bushing to do this. I don't know the pro's and con's of each. Is there someone out there who can help? Thanks a TON!! Darrell
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5/10/10 10:12am - Reply: 'front end'
Former Member
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Dutchess County, NY - USA

White '79 Corvette. It's a driver.

Joined: 8/27/2007
Posts: 2484
I'd go with the rubber bushings. From what I hear the poly bushings give a harsh ride and quite often make alot of noise.
I bought a kit with the rubber bushings. Haven't installed them yet but hope to do it this year.
I'm sure other members will have some more pros and cons for you.

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5/10/10 10:26am - Reply: 'front end'
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Woodland, WA - USA

1977 T-Top,350,Auto Black Ruby Pearl,Steeroids R&P conversion

Joined: 10/14/2003
Posts: 1152
I installed urethane and during install used plenty of the silicone grease on the bushings and have  not experience any noise, but since this is the only Vette I have owned I cannot tell you the about the difference in roughness. I believe the urethane are suppose to last longer.

Bob R
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5/10/10 11:46am - Reply: 'front end'
manchestershark Lifetime Member
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Equinunk, PA - USA

1972 conv, 4-speed, 350, 200hp, numbers match, rally wheels, war bonnett yellow w/white top. good condition, nice driver.

Joined: 10/31/2007
Posts: 1918
 I used black urethane and the recomended silicone grease. NO noise, better handeling, ride does seem stiff, but not harsh.  I am happy.


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5/10/10 1:42pm - Reply: 'front end'
Adams' Apple Lifetime Member
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Duncanville, TX - USA

#1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/ Am-Fm/map light National/Regional/Chapter NCRS "Top Flight" #2-1985 Bright Red/Carmine Cp.L-98/auto Member: NCRS, NCRS Texas, Corvette Legends of Texas

Joined: 11/8/2003
Posts: 19494
The urethane will definitely last longer if installed properly, with the proper amount of grease. They do firm up the suspension, as far as things deflecting in turns, which makes it feel like it handles better, and it does slightly. The thing is, urethane will not deteriorate like the rubber components do over time. And yes, urethane bushings can/will make noise if not installed according to the destructions that come with the bushings.
It all comes down to whether or not you wanna drive it and not worry about ever having to replace them again, or having the car Judged sometime down the road....

Joel Adams
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5/10/10 1:53pm - Reply: 'front end'
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Mounds View, MN - USA

70 LT1 coupe, 69 350 HP coupe, 69 390HP 427 coupe, 71 LS5 convert, 85 coupe, 93 coupe

Joined: 5/24/2007
Posts: 1031
I agree with the comments above.  I personally always use rubber because it is correct, it never makes noise, and it rides nicer.  Urethane does last longer, and is better if you are going to road race, but that is not enough to tip the balance for me.  Rubber will last at least ten years, and probably much longer.


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