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04-29-2004, 12:02 PM
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#1 |
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Senior Member
Join Date: Aug 2003
Location: Sugar Land, TX
Posts: 1,007
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poly vs. rubber
I've read over and over and don't know what to do...
Should I use poly or rubber bushings for the front end and leaf spings??? I see arguements both ways over and over.... It's for an '89 suburban 2wd that I'm putting a 3" lift on and 32" tires. So, I don't need sports car handling... |
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04-29-2004, 06:04 PM
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#2 |
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Fabricate till you "puke"
Join Date: Jun 2002
Location: Ill
Posts: 9,402
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If you are replacing susp bushings, I would go Poly. for off road use, you may be better off to keep rubber BODY bushings. I swapped poly bushings under the cab on my Longhorn, & it is a firmer ride, but for street its ok(& the clutch works much better on the tilt front truck). the rear leaf spring bushings have been up graded to poly, & I could not feel a difference in ride. Good luck,crazyL
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69 longhorn,4" chop,3/5 drop, 1/2 ton suspension/disc brakes,1 1/2" body drop,steel tilt clip, 5.3/Edelbrock rpm intake/600 carb, Hooker streetrod shorties,2 1/2" exhaust/ H pipe/50's Flows , 6 spd Richmond trans,12 bolt/ 3.40 gears.... |
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04-29-2004, 08:28 PM
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#3 |
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Happy to be here
 
Join Date: Mar 2000
Location: Cypress, TX
Posts: 39,021
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Don't use either one. At least not rubber or "polyurathane" because "poly" has very little flex and it will squeck like mad after a while.
What you want to use is "polygraphite", which is graphite impregnated polyurathane. It actually has graphite particles mixed in the polyurathane formula. This gives the bushing a bit more flex, and they self lubricate so they are quite too... 
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05-04-2004, 03:55 PM
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#4 | |
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Garage Queen Material
Join Date: Oct 2002
Location: USA
Posts: 4,129
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