Using Urethane Bushings - Team Camaro Tech
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post #1 of 7 (permalink) Old Oct 27th, 17, 08:11 PM Thread Starter
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Peter
 
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Smile Using Urethane Bushings

I am contemplating using Urethane bushings on the suspension, sway bars, and body mounts. Is there a sacrifice in ride quality over the rubber mounts that originally came with the cars?
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post #2 of 7 (permalink) Old Oct 28th, 17, 04:23 AM
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Re: Using Urethane Bushings

I have cars with rubber and urethane. Can't tell much difference. The urethane can squeak if not greased properly and after a few years. New rubber is a big improvement over the 50 year old bushings.
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post #3 of 7 (permalink) Old Oct 28th, 17, 06:04 AM
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Re: Using Urethane Bushings

Not much dif if bushings are new.

I just installed some Delrin bushings. All the benefit of urethane without squeak. I think they came from BMR
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post #4 of 7 (permalink) Old Oct 28th, 17, 08:25 AM
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Re: Using Urethane Bushings

X2 on installing Delrin. I installed GW Del-a-lum control arm bushings a few years ago. I just installed the GW Del-a-lum rear shackle kit this summer (with Caltracs). I am very pleased with the results. I just use the Urethane on the parts that don't pivot (body mounts, trans mount, motor mounts, etc).

Delrin acts more like a bearing, eliminating suspension bind. In my opinion... worth the extra cost.
Ride is not harsh at all. If anything, much more "controlled feeling".
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post #5 of 7 (permalink) Old Oct 28th, 17, 06:37 PM
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Re: Using Urethane Bushings

X3 on the delrin, I have GW del-a-lum on all suspension points since 2012 and the car rides so much smoother than the rubber which was all replaced in 1992.

I've had all rubber on cars, all urethane on cars and after setting up my 67 with del-a-lum it's hard to give a recommendation on "rubber or urethane" because the delrin is so superior to both.

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post #6 of 7 (permalink) Old Oct 30th, 17, 02:21 PM
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Re: Using Urethane Bushings

Quote:
Originally Posted by TinIndian View Post
I am contemplating using Urethane bushings on the suspension, sway bars, and body mounts. Is there a sacrifice in ride quality over the rubber mounts that originally came with the cars?
Polyurethane (it is a Polymer) is fine depending on the Durameter (Hardness) and if you have a Grease Fitting. Polyurethane needs to be greased with a Full Synthetic Grease.

Delrin is a Polymer as well, but is Solid and needs to be Milled in a CNC machine (that is why the cost is so much higher)
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post #7 of 7 (permalink) Old Nov 16th, 17, 04:34 PM Thread Starter
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Re: Using Urethane Bushings

Thank you for the information on the urethane and delrin materials.

Im a machinist by trade But, alas no longer practicing my trade and I am familiar with both materials. i did not know the Delrin was not a cast product like urethane for suspension products. that is why they cost so much more. i have often wondered. i have machined both materials and i can tell you Delrin is a dream to machine compared to the urethane! Urethane is a terrible material to alter from its as cast state. Its like cutting jello!

Cool! Thank you again! I greatly appreciate it!

Peter
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