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02-23-2019, 11:10 AM
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#1 |
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Registered User
 Join Date: Sep 2018
Location: Southport, NC
Posts: 9
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14" Rotors touching lower control arms
Hi, I've installed a Ridetech Streetgrip kit and now trying to install a Wilwood 14" brake kit but the rotors are touching the lower control arm. Any ideas. I also replaced the control arms with a set from LMC. The spindles were in the kit from Ridetech. I need to start a build thread, I'm going with a LT4 / 8L90 from SpeartechThanks in advance.
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71 C10 SWB |
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02-23-2019, 11:55 AM
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#2 |
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Registered User
Join Date: Apr 2014
Location: Azle,Texas
Posts: 2,248
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Re: 14" Rotors touching lower control arms
Welcome aboard! Yes... please start a build thread! I’ve seen it a common thing to trim the lower control arms for allowing 15” rims to fit without rubbing, but I can’t say that I’ve seen it done because of big brake rotors. I don’t see why it would be a problem.
Brian
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Brian 1972 C10, "Loyd", LWB to SWB, 5.3, L83/6L80e, 4:11 Tru Trac, Air Ride, VA, DD, 20" Coys, 4 wheel disc, A quick LS swap turned into a 6 year frame off resto-mod. |
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02-23-2019, 08:41 PM
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#3 |
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Post Whore
Join Date: Feb 2016
Location: Portland Oregon
Posts: 11,301
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Re: 14" Rotors touching lower control arms
Grind it or heat and beat. Either way will work. The down side of both ways is that nice coating on the control arm will have to be touched up. Grrr!
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Thanks to Bob and Jeanie and everyone else at Superior Performance for all their great help.  RIP Bob Parks. 1967 Burban (the WMB),1988 S10 Blazer (the Stink10 II),1969 GTO (the Goat), 1970 Javelin, 1952 F2 Ford OHC six 4X4, 29 Model A, 72 Firebird (the DBP Bird). 85 Alfa Romeo If it breaks I didn't want it in the first place The WMB repair thread http://67-72chevytrucks.com/vboard/s...d.php?t=698377 |
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02-23-2019, 09:35 PM
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#4 |
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Moderator
 
Join Date: Jun 2017
Location: Cherryville, NC
Posts: 2,204
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Re: 14" Rotors touching lower control arms
LMC lower arms are renowned for being thicker in the lower ball joint mount area causing your contact issue. They work ok with up to 12 " rotors...that's my experience with them....
Would suggest some aftermarket arms rather than grinding on the arm itself... Anyways...keep safe.... 
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Family and country before all others... 2006 Chevy Silverado (Daily Driver) 2012 Chevy Equinox 
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02-24-2019, 12:26 PM
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#5 |
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Registered User
Join Date: Nov 2014
Location: Bigfork, Montana
Posts: 1,137
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Re: 14" Rotors touching lower control arms
I would "gently" move it with a hammer. You might be able to get a large crescent wrench on it & bend it enough.
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02-25-2019, 11:58 AM
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#6 |
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Registered User
Join Date: Sep 2018
Location: Southport, NC
Posts: 9
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Re: 14" Rotors touching lower control arms
Thanks guys, To be safe I've decided to bite the bullet and get Ridetech's strong arms with the coilovers .
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71 C10 SWB |
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02-25-2019, 01:52 PM
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#7 |
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Moderator
Join Date: Jun 2017
Location: Cherryville, NC
Posts: 2,204
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Re: 14" Rotors touching lower control arms
Much safer option...IMO...
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Family and country before all others... 2006 Chevy Silverado (Daily Driver) 2012 Chevy Equinox
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11-13-2024, 04:40 PM
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#8 |
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Registered User
Join Date: May 2007
Location: LOUISIANA
Posts: 812
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Re: 14" Rotors touching lower control arms
Factory 68 control arms with CPP Modular spindles and the Wilwood 14" kit, they rub as well....
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James '68 Stepside (ground up in progress) My 68 build thread http://louisianaclassictruckclub.fre...side-t956.html '81 SWB "Pap paw" (Driver) The 81 build thread http://louisianaclassictruckclub.fre...-swb-t960.html Member of www.louisianaclassictruckclub.com https://www.facebook.com/groups/296290610747732/ |
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11-13-2024, 05:57 PM
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#9 | ||||
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"I ain't nobody, dork."
Join Date: Sep 2007
Location: Whidbey Island, Washington
Posts: 8,959
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Re: 14" Rotors touching lower control arms
Grinder time. Aftermarket parts is aftermarket parts. A lot of them need to be "massaged".
Gary
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'cuz chicks dig scars... My 1972 GMC 1500 Super Custom (Creeping Death) "long term" build thread. The Rebuild of Creeping Death after the wreck Quote:
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Yesterday, 05:13 PM
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#10 |
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Registered User
Join Date: Jun 2015
Location: Carlos MN
Posts: 2,106
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Re: 14" Rotors touching lower control arms
I would put a bunch of masking tape on the lip to protect the paint and use BFH to bend the lip down a bit. You need maybe 1/4" clearance between rotor and the lower a-arm?
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