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05-12-2009, 12:24 PM
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#1
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Join Date: Jan 2008
Location: Vineland, NJ
Posts: 102
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Rear LCA bushings?
I'm beefing up the rear on my third gen bird and i'm trying to decide which would be more worth it and practical. Poly or solid aluminum bushings for the control arms? I have a pretty much stock 305 with a 4.10 ratio rear and its a track only car. I'm not worried about road noise and i want the rear to be firmer for good solid launches. Are poly bushings good enough for me or should i pony up and go with the aluminum bushings and not worry about them again?
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80 Camaro-454
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05-12-2009, 09:34 PM
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#2
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11 Second Club
Join Date: Feb 2008
Location: Edison, NJ
Posts: 4,619
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The poly bushings in a UMI/BMR LCA is fine.
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1999 Z28 Convertible. 6 speed swap, wide cowl hood, full hockey stripes, and a whining 10 bolt.
2008 Sierra Vortec Max. 6.2 swapped, headers, Magnaflow catback, GMPP CAI, NHT optioned tow package.
2006 GTO, 11.48 @ 118.3
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05-12-2009, 09:54 PM
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#3
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Power Member
Join Date: Oct 2007
Location: Milford NJ
Posts: 1,526
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the poly/rod end combo arms are a good choice for a street strip car. Dont buy the aluminum bushings, too much bind. If you really need a solid mount, get ones with rod ends on both sides.
UMI makes great stuff, check them out
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05-12-2009, 10:45 PM
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#4
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Join Date: Jan 2008
Location: Vineland, NJ
Posts: 102
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Thank you much.
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80 Camaro-454
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05-13-2009, 06:41 AM
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#5
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Stalker
Join Date: Aug 2004
Posts: 12,077
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i have lcas with poly up front and spherical rod ends on the axle. work great and not noisy imo. mine are spohn.
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05-20-2009, 08:10 PM
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#6
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Join Date: Jul 2004
Location: West Long Branch
Posts: 13,598
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Poly tends to become mush over time, so using them in applications like control arms for example is a waste. Either go back to rubber, or step up to some sort of solid bushing.
I dont know if anyone makes delrin laced aluminum bushings for third gen stuff. Check out Global West. The DelALum bushings are great, give you zero bind if done correctly.
Your other option is rod-ended parts. Going to sacrafice ride for strength.
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2/20/2013: They Day the ****s Stopped
Last edited by BigAls87Z28; 05-20-2009 at 08:11 PM.
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05-20-2009, 08:21 PM
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#7
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Join Date: Jan 2008
Location: Vineland, NJ
Posts: 102
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Strength is what i'm looking for. It just needs to get down the 1/4 not the street.
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80 Camaro-454
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05-20-2009, 08:26 PM
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#8
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Power Member
Join Date: Oct 2007
Location: Milford NJ
Posts: 1,526
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in that case, use ones with rod ends on both sides, cost a little more, but are the strongest
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05-20-2009, 09:00 PM
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#9
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Join Date: Jul 2004
Location: West Long Branch
Posts: 13,598
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Correct. Rod ends are for you.
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2/20/2013: They Day the ****s Stopped
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05-26-2009, 10:38 AM
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#10
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Guest
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talk to Josh from JS, thats where i got my Rod end suspension from
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