03-08-2020, 08:00 PM | #1 |
Drives: 2013 ZL1 Join Date: Mar 2013
Location: Oklahoma
Posts: 2,316
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Rear control arms?
Ok I am having a serious problem. I was driving about 70 miles per hour and I matted the gas and my car and it felt like it moved a foot over one way. I have noticed it moving around some but it has got worse. It kinda spooked me when it moved so far. Is it the rear control arm bushings getting soft? I had a similar problem on a Grand National years ago and I changed those out and it fixed it. Has anyone else had this problem? So if this is what it is which control arms are the best ones? Or is this my problem?
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03-08-2020, 09:02 PM | #2 |
fo'shizZL1
Drives: 2017 ZL1 Join Date: Aug 2017
Location: ATL
Posts: 1,379
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Check your tire pressures first. I have had that happen when one tire was several pounds lower than the other one and I didn't know it. Got them equal and the problem went away. Sounds like your problem might be a bigger deal than that, but it's worth a quick check just in case.
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Past Rides- 2014 ZL1 M6 Red Hot | Tons of mods 2004 CTS-V M6 Silver | Many mods 1995 Corvette M6 Torch Red | A few more mods 1992 Camaro M5 White | A few mods |
03-08-2020, 09:26 PM | #3 |
Drives: 2013 Triple Black ZL1 / 2006 TB SS Join Date: Feb 2011
Location: MN
Posts: 2,250
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The rear end kick out is common on these cars and worse when you add more power. The best way to get rid of it is to replace the rear cradle bushings with solid ones. Probably the best suspension mod you can do for these care without increasing NVH too much. I also added a larger, adjustable rear sway bar, Pegasus trailing arms and Z/28 upper control arm bushings. Pulls straight with no issues.
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03-09-2020, 10:56 AM | #4 | |
Drives: 2013 ZL1 Join Date: Dec 2015
Location: Gulfport, MS
Posts: 250
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03-09-2020, 11:18 AM | #5 |
Drives: 2010 Camaro SS2,L99, LSA SC Join Date: Aug 2017
Location: Huntsville, AL
Posts: 2,280
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03-09-2020, 12:30 PM | #6 |
Drives: ZL1, 2013, tri-coat-red, manual Join Date: Nov 2013
Location: Michigan
Posts: 1,616
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03-09-2020, 09:42 PM | #7 |
Drives: 2013 AGM ZL1, 99 z28, 89 iroc-z Join Date: Jul 2012
Location: Decatur, IL
Posts: 249
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Delrin is where it's at when control arm bushings are concerned. Also the solid crossmember mounts only added a slight increase in road noise on mine.
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03-09-2020, 11:09 PM | #8 |
Drives: 2013 ZL1 Join Date: Mar 2013
Location: Oklahoma
Posts: 2,316
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Ok thank you guys. I had a long day and just got here to read these responses. I have checked the tire pressure and that is not it. It really moves to much and is really kinda spooky. I have seen the cradle bushings but I have been told they do make a noise but I would like to stay away from that if possible. I thought I have seen some solid rear control arms and adjustable ones with polyurethane bushings in them and this would solve my problem,right? Are the factory bushings rubber? Is the rear cradle on the ZL1 different than a SS? I know the housings are but the cradle is the same? Any more help on this I would appreciate it. Thanks
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03-09-2020, 11:24 PM | #9 |
Drives: 2010 2SS/RS Join Date: Dec 2009
Location: Clarksville Tennesse.
Posts: 6,089
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So the cradles are basically the same the difference is around the diff there’s more clearance. I have the PAFDT/AFE solid bushings and I did not feel/hear any noise or vibes outside normal from before. When you’ll really hear or feel it is when you do bushings in the diff, trans, or engine mounts.
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03-29-2020, 10:45 PM | #10 | |
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https://www.camaro5.com/forums/showt...8#post10737318 Last edited by Vicster; 03-30-2020 at 08:45 PM. |
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03-30-2020, 06:24 PM | #11 |
Drives: 2013 ZL1 Join Date: Mar 2013
Location: Oklahoma
Posts: 2,316
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I changed the lower control arms and the toe arms with the BMR ones. Now that has solved the problem. I talked to Steve there and he helped me with what I needed and said it would fix my problem and it did. If you guys need these parts give him a call. Great service and fast delivery of the parts to.
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03-30-2020, 09:02 PM | #12 | |
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