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3/28/13 12:47pm - Original Message: 'Suspension Rubber Bushings Longevity'
FLA VETTE
Former Member
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ORLANDO, FL - USA

Vette(s):
1980 L82 Dark Metallic Green Coupe, Gymkhana Suspension, AM/FM/CB, GM ZZ383....nice....

Joined: 12/11/2002
Posts: 459
I have recently noticed that I am having to go through and replace a number of items that I replaced about 9 years ago even though I did not put many miles on since then. Usually less than 1K miles per year.
 
So here is a general question:
 
Q. How long can you expect suspension type rubber bushings to last. Consider that I live in hot Florida and storage is typically in a hot garage but low miles each year.
 
Example:
- Drivers side engine mount sagging.
- Recently lower ball joints bad (not bushing related but was replaced about the same time period)
- Composite rear spring rubber bushings compressed to the point they do not look like they were ever installed?
- I did the poly for many of the front end bushings and have no issues with any of those yet.


____________________________________
 
1980 L82 (5069 made), Dark Green Metalic (844 made)
Gymkhana Suspension, AM/FM/CB, Sporting a ZZ383......... 
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3/28/13 1:08pm - Reply: 'Re: Suspension Rubber Bushings Longevity'
Adams' Apple Lifetime Member
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Duncanville, TX - USA

Vette(s):
#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: 19449
Depends on WHO made the bushings, and what type of rubber compound was used. When I did the '74, I used all OE bushings, and haven't seen any issues with any of them so far. The rear spring cushions DO compress quite a bit, tho. Good bushings should survive at least 10 years with no problems, I would think. Will be different in different parts of the country, of course.

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Joel Adams
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3/28/13 3:16pm - Reply: 'Re: Suspension Rubber Bushings Longevity'
manchestershark Lifetime Member
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Equinunk, PA - USA

Vette(s):
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: 1895
Energy Suspension makes a good product, in polyurathane. A slightly more stiff ride, but tremendous in the handling aspect. Lasts longer than rubber, no matter the temperture.

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4/4/13 1:18pm - Reply: 'Re: Suspension Rubber Bushings Longevity'
FLA VETTE
Former Member
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ORLANDO, FL - USA

Vette(s):
1980 L82 Dark Metallic Green Coupe, Gymkhana Suspension, AM/FM/CB, GM ZZ383....nice....

Joined: 12/11/2002
Posts: 459
Thanks for the feedback.
I am using poly on the front bushings. And the rear spring /bushings were from vette brakes in Tampa (I think), so that should be decent quality. I guess in Florida that 10yrs is the magic number for starting to replace rubber again.


____________________________________
 
1980 L82 (5069 made), Dark Green Metalic (844 made)
Gymkhana Suspension, AM/FM/CB, Sporting a ZZ383......... 
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 Forums -> C3 Handling Components
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