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08-02-2020, 06:24 PM | #1 |
Registered User
Join Date: Dec 2002
Location: Northern Virginia
Posts: 1,268
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Body mount bushing preference
Restoring 75 Silverado 4x4. Welding in floor pans looking for opinions on new body cushions . Rubber or Poly. Who makes good quality
Thanks |
08-02-2020, 07:38 PM | #2 |
Robert Olson Transport
Join Date: Oct 2002
Location: recent transplant to NC USA
Posts: 20,310
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Re: Body mount bushing preference
as pricey as they are LMC has similar to factory.. I have used an aftermarket kit on one of my builds also rubber and didnt like them as well not looking factory at all..ive never used poly
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Bob 1951 International running on a squarebody chassis "If a man's worth is judged by the people he associates himself with, then i am the richest man in the world knowing some of the fine people of this board" http://67-72chevytrucks.com/vboard/a...t.php?f=25&a=9 (you can review the site rules here!) PM Me for your vehicle/parts hauling needs in the North East US or see my Facebook page Robert Olson Transport Live each day to the fullest.. you never know when fate is going to pull the rug out from under you... I hate cancer!! |
08-02-2020, 08:18 PM | #3 |
State of Confusion!
Join Date: Jul 2002
Location: Gulfport, MS USA
Posts: 47,223
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Re: Body mount bushing preference
The one time I used poly on a truck that did a fair amount of dirt road and field driving, the poly caused the sheet metal around the mounts to crack. The sheet metal was not thin, but the poly just doesn't flex enough. Great for suspensions in my opinion, but not for body mounts. I prefer the factory style rubber mounts.
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Bill 1970 Chevy Custom/10 LWB Fleetside 2010 Toyota Tacoma PreRunner SR5 Double Cab - DD Member of Louisiana Classic Truck Club (LCTC) Bill's Gallery Life isn't tied with a bow, but it's still a gift. Live simply. Love generously. Care deeply. Speak kindly. Leave the rest to God! |
08-03-2020, 02:28 AM | #4 |
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Join Date: Sep 2019
Location: Magnolia, TX
Posts: 225
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Re: Body mount bushing preference
Another vote for rubber. Poly is too rigid for me and too many squeaks to live with.
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Mike 1976 C10 RCLB - 350 - SM465 4 Spd - 4.5"/6" Drop Obligatory Build Thread HERE! 1979 C20 RCLB - 350 - TH350 Auto |
08-03-2020, 08:16 AM | #5 |
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Join Date: Oct 2010
Location: Ocean Springs, MS
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Re: Body mount bushing preference
I bought LMC rubber mounts for my truck, and they started cracking in short order. I wish I knew where good ones could be obtained.
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Gary 1971 Chevrolet C/10 1951 GMC 100 1977 GMC C15 1955 Chevrolet 3100 |
08-05-2020, 03:30 PM | #6 |
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Join Date: Jan 2014
Location: Swaledale, IA
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Re: Body mount bushing preference
I have the LMC rubber ones. I have not had issues with cracking after 3 years (knock on wood). However I remember they were a PITA to install - felt like that rubber doughnut needed to be about 1/16" larger on the inside, it took a lot of effort to get the top mount to fit into the bottom.
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08-05-2020, 05:52 PM | #7 |
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Join Date: Jul 2011
Location: SW Ontario
Posts: 1,212
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Re: Body mount bushing preference
No problems with energy suspension poly bushings. Would (will) do it again for my '81. Also run ES bushing on my nova, had them in since ES introduced them way back when. But I don't do field driving or very rough roads.
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08-06-2020, 03:01 PM | #8 |
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Join Date: Feb 2000
Location: Maquoketa, Ia/ Orr, Mn
Posts: 3,051
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Re: Body mount bushing preference
I used Energy Suspension poly mounts too, they even survived a roll over.
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'51 South Bend Model "9A" '56 Chevy 3600 NAPCO '74 Chevy Cheyenne Super K20-restored on 37's '72 GMC Sierra Custom K2500- in progress '08 GMC Envoy Denali '12 GMC Sierra 2500HD Denali '17 GMC Yukon XL VCCA member #58596 http://www.nohrco.com |
08-06-2020, 03:40 PM | #9 |
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Join Date: Sep 2002
Location: Liberty, Mississippi
Posts: 672
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Re: Body mount bushing preference
One of my old C/10s is still running around here with a set ES polyurethane bushings that I put on it close to 30 years ago.
I had to change the factory rubber bushings on my 2000 k2500 5 years ago, and the body had been sagging for a few years when I did it then, so those rubber ones only last 12-13 years. I made aluminum ones to go on my 67 Camaro |
08-06-2020, 09:58 PM | #10 |
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Join Date: Feb 2018
Location: Montclair, CA
Posts: 149
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Re: Body mount bushing preference
LMC rubber on my C30, no complaints so far. Identical to the stockers, can't speak to their longevity since I put them on fairly recently. Go a long way toward making the truck feel tighter on the road and the cab's body lines now align with those on the bed.
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A few Fords and a couple of Chevys |
08-07-2020, 12:27 AM | #11 |
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Join Date: May 2017
Location: Norcal
Posts: 7
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Re: Body mount bushing preference
I’ve been running the poly graphite on a couple of c10s with success and no squeaks
https://p-s-t.com/i-23159818-polygra...mount-kit.html |
08-07-2020, 01:55 PM | #12 |
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Join Date: Apr 2009
Location: New Freedom Pa.
Posts: 1,335
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Re: Body mount bushing preference
Why are the LMC kits so expensive?
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08-07-2020, 02:20 PM | #13 |
OutOfMyMind & I'llNeverKnowWhy
Join Date: Apr 2004
Location: Another world, some other time
Posts: 672
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Re: Body mount bushing preference
I'm using rubber. After my experience with several vehicles over the years, I would never use poly on anything other then sway bars, and that's mostly due to not being able to find real rubber sway bushings anymore.
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-Justin-Out of my mind and I'll never know why 1976 Chevrolet Silverado C10 350 4bbl / TH350 Big10 longbed 1986 Pontiac Firebird T-Top 5.0L TPI 700R4 WS6 1992 Pontiac Firebird T-Top 5.0L TBI 700R4 My cardomain page I don't like to save, it's more fun to spend!! |
08-08-2020, 05:15 AM | #14 | |
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Join Date: Sep 2019
Location: Magnolia, TX
Posts: 225
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Re: Body mount bushing preference
Quote:
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Mike 1976 C10 RCLB - 350 - SM465 4 Spd - 4.5"/6" Drop Obligatory Build Thread HERE! 1979 C20 RCLB - 350 - TH350 Auto |
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08-08-2020, 02:43 PM | #15 |
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Join Date: Jul 2011
Location: SW Ontario
Posts: 1,212
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Re: Body mount bushing preference
PST has been around a long time, and if I remember right considering its been so long ago they may have been the first ones to introduce the graphite impregnated poly suspension bushings to combat squeeking (not something you'd encounter with a body bushing)
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08-12-2020, 07:18 AM | #16 |
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Join Date: Jan 2013
Location: wolcott ct
Posts: 51
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Re: Body mount bushing preference
i used rubber kit from lmc and am very happy with it so far. body lines came back,doors close nicer and it rides better. I have no experience with poly bushings so I have nothing personal to compare.
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08-31-2020, 12:39 AM | #17 |
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Join Date: Sep 2012
Location: Buckley, WA
Posts: 72
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Re: Body mount bushing preference
Pardon me for hijacking the thread, I just bought ES poly bushings and am in the process of putting them on. After taking the front cab bushings off, I discovered the sleeve inside the bushing is rusted through and unusable. I found one kit that includes the sleeve, bolt, washer and new rubber for $32 but i was wondering if there was anywhere to purchase just the sleeve?
'78 K10 btw... If i can find them, I'll give you a comparison between the rubber i took off and the poly I'm putting on lol Last edited by BK'66Step; 08-31-2020 at 12:46 AM. |
01-29-2021, 02:08 PM | #18 |
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Join Date: Jul 2015
Location: Phoenix, AZ
Posts: 1,335
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Re: Body mount bushing preference
Anyone other than LMC carry the stock style rubber kits? They're backordered and who knows when they'll get more in.
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