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Hum and Vibration 60-80 mph HELP

Old 08-06-2012, 05:54 PM
  #11  
joshuabgoldberg
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It does have an H PIPE.
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Old 08-06-2012, 06:13 PM
  #12  
CPTCO
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First thing I would check is the u-joints. With no torque, sometimes they will smooth out. At least that's something you can check with little or no effort. If they are ok. work back the the gears, wheel bearings, etc.
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Old 08-07-2012, 05:52 PM
  #13  
joshuabgoldberg
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It's almost like a deep constant bass that vibrates eveything. I wonder if it's not exhaust drone, I have an H pipe and no mufflers
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Old 08-07-2012, 06:13 PM
  #14  
cliffyk
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Originally Posted by joshuabgoldberg
It's almost like a deep constant bass that vibrates eveything. I wonder if it's not exhaust drone, I have an H pipe and no mufflers
Duh? -- 'ya think?
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Old 08-07-2012, 07:52 PM
  #15  
EddyG
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Here's an easy tell if it's the exhaust cruise in any gear around 1700-2200 rpms. That is the usual drone points.
Try 1st through 4th gear so it will be at different speeds it will tell if it's the exhaust or not.

And I think people saying gears still whine when its coasting in neutral or backing off the throttle. That's wrong because I have gear whine and it only whines where I can hear it when I'm on the throttle. Never when I coast not touching the throttle or coasting in neutral.
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Old 08-07-2012, 09:00 PM
  #16  
speedkills
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Originally Posted by joshuabgoldberg
I have an H pipe and no mufflers
lol I dont know guys this could be gear whine......
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Old 08-18-2012, 07:42 PM
  #17  
joshuabgoldberg
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It was ujoints everyone still slight hum from bearing and a little extra runout in the left axel
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