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06-19-2018, 10:16 AM
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#1 |
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The Mechanic
Drives: 1SS M Join Date: Dec 2017
Location: NJ
Posts: 291
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m6 vibration 140+
So the current issue is I have a vertical vibration in the rear of the car at 140mph and up, almost as if the axles or driveshaft isnt balanced for that speed. The car is stock outside of phastek springs and wheels. I first noticed this issue on the stock wheels after spring install but I never tested that speed on the stock springs so I don't know if axle angle has anything to do with it.
Ideas? |
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06-19-2018, 07:40 PM
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#2 |
 Drives: 2016 Camaro SS Join Date: Jul 2016
Location: Cleveland, OH
Posts: 92
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06-19-2018, 08:52 PM
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#3 |
  
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Who did your alignment after the springs?
__________________
2016 2SS/Hyper Blue/M6/NPP/Navi
Forged pistons Custom cut Brian Tooley Cam SW long tube headers 3" stainless mid pipe - Secondary Cat delete - High flow cats Port and polished heads-Double valve springs-platinum lifters & push rods Cam phaser limiter - DOD delete P1SC-1 Pro Charger 3.7 pulley Stage II intercooler 667rwhp 577ft lbs |
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06-19-2018, 09:23 PM
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#4 |
 
Drives: 16 camaro M6/ 18 ZL1 camaro A10 Join Date: Nov 2015
Location: MD/PA LINE
Posts: 202
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Do you still have the original tire on? It could be the speed rating on the tires aren't that high.
You did mention the cv axle angle which could also cause a un-noticeable vibration at slower speeds but at higher speeds the angle could cause a slight deflection from the cv axle not having any pitch or distortion angle to get rid of rotational vibration. just my thoughts |
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06-20-2018, 06:08 AM
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#5 |
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The Mechanic
Drives: 1SS M Join Date: Dec 2017
Location: NJ
Posts: 291
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I did the alignment myself, and it did the same thing with the stock tires. Right now I have a 200 treadwear extreme summer tire on it. hm I wonder about the cv angle tho
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06-20-2018, 06:09 AM
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#6 | |
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The Mechanic
Drives: 1SS M Join Date: Dec 2017
Location: NJ
Posts: 291
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Quote:
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06-20-2018, 03:59 PM
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#7 |
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Drives: 2015 BVM Camaro 1LE (2SS/RS) Join Date: Mar 2012
Location: Leesburg, VA
Posts: 971
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How much time do you spend going over 140mph?
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06-20-2018, 04:47 PM
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#8 |
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It may be worth your time putting in on a Hunter alignment machine to clear it up. I had a vibration as well, but it was at 85 and only got worse. Did the alignment on a Hunter machine and it went away where my dealership doing the alignment did nothing for the car.
__________________
2016 2SS/Hyper Blue/M6/NPP/Navi
Forged pistons Custom cut Brian Tooley Cam SW long tube headers 3" stainless mid pipe - Secondary Cat delete - High flow cats Port and polished heads-Double valve springs-platinum lifters & push rods Cam phaser limiter - DOD delete P1SC-1 Pro Charger 3.7 pulley Stage II intercooler 667rwhp 577ft lbs |
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06-22-2018, 10:27 AM
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#9 | |
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The Mechanic
Drives: 1SS M Join Date: Dec 2017
Location: NJ
Posts: 291
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Quote:
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