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August 19th, 2009, 09:03 PM
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#1 | |
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Hardcore Enthusiast
2007 Mustang GT
12.69@111 MPH
Join Date: Jun 2008
Location: Muscatine, Iowa
Posts: 1,259
 iTrader: 0 reviews
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vibrations
ok guys its finally happened and i need to know what you think.
while cruising at about 35-40 i feel vibrations and 120 up i have real bad vibration bad enough that i dont want to accelerate anymore, Could this be the doom of the 2piece driveshaft?
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 Current mods-Jba axlebacks, pacesetter Longtubes and ofr h, bmr tubular lowers, 10 psi procharger and 3 core intercooler, ram hd powergrip clutch.
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August 19th, 2009, 09:23 PM
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#2 |
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Enthusiast
2008 GT
Join Date: Jun 2008
Location: Houston
Posts: 807
iTrader: 0 reviews
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Have you checked your wheel weights?
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Fuel Altereds Rule The Earth 
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August 19th, 2009, 09:30 PM
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#3 | |
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Hardcore Enthusiast
2007 Mustang GT
12.69@111 MPH
Join Date: Jun 2008
Location: Muscatine, Iowa
Posts: 1,259
iTrader: 0 reviews
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it feels like whatever it is its comeing from the drive train. worst part about it all is that my gears need reshimmed.
__________________
Current mods-Jba axlebacks, pacesetter Longtubes and ofr h, bmr tubular lowers, 10 psi procharger and 3 core intercooler, ram hd powergrip clutch.
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August 19th, 2009, 09:54 PM
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#4 |
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IBEATU
06 GT, 98 GT, & 93 Notch
Join Date: Dec 2006
Location: Douglasville, GA
Posts: 5,937
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reall could be wheel weights or if your tires are worn then they may just need re-balancing
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 98 GT: some stuff 06 GT: more stuff 93 Notch: 4 cyl at birth, now 5.0 drivetrain and stock exterior and interior= True Sleeper Paxton/Vortech Crew Member #3 FRPP's #1 Dealer Injected Engineering BMR Suspension |
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August 19th, 2009, 09:56 PM
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#5 |
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IBEATU
06 GT, 98 GT, & 93 Notch
Join Date: Dec 2006
Location: Douglasville, GA
Posts: 5,937
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unless its consistant at a certain rpm, it probably isnt in the drivetrain
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98 GT: some stuff 06 GT: more stuff 93 Notch: 4 cyl at birth, now 5.0 drivetrain and stock exterior and interior= True Sleeper Paxton/Vortech Crew Member #3 FRPP's #1 Dealer Injected Engineering BMR Suspension |
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August 19th, 2009, 10:03 PM
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#6 | |
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Hardcore Enthusiast
2007 Mustang GT
12.69@111 MPH
Join Date: Jun 2008
Location: Muscatine, Iowa
Posts: 1,259
iTrader: 0 reviews
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just thinking maybe my driveshaft is out of whack its not at any certain rpm and it doesnt feel like a wheel is gonna fall off it feels like a wobble in the driveshaft how common is this with the 2 piece?
__________________
Current mods-Jba axlebacks, pacesetter Longtubes and ofr h, bmr tubular lowers, 10 psi procharger and 3 core intercooler, ram hd powergrip clutch.
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August 19th, 2009, 10:08 PM
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#7 | |
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Hardcore Enthusiast
2007 Mustang GT
12.69@111 MPH
Join Date: Jun 2008
Location: Muscatine, Iowa
Posts: 1,259
iTrader: 0 reviews
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ill mention i can hear it too its a low frequency sound that i hear besides the gear whine that i still need to fix.
__________________
Current mods-Jba axlebacks, pacesetter Longtubes and ofr h, bmr tubular lowers, 10 psi procharger and 3 core intercooler, ram hd powergrip clutch.
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August 19th, 2009, 10:14 PM
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#8 |
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May 08 ROTM
2008 Audi S6
Join Date: Oct 2006
Location: S. Elgin
Posts: 6,683
 iTrader: 3 reviews
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I forgot to call you back Ian, the symptoms you are feeling are not common to the two piece oem unit. It's not likely to be the culprit and I haven't seen anybody to date mention balancing a two piece.
Who did your gears? and why do they need reshimmed? If you had tolerance issues I wouldn't have pushed the car until those were rectified, especially 120+ blasts. Any sort of "freedom" back there would certainly enhance with increased speeds. Not that they are the cause, but that your causing adverse wear in doing so. |
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August 19th, 2009, 10:22 PM
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#9 | |
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Hardcore Enthusiast
2007 Mustang GT
12.69@111 MPH
Join Date: Jun 2008
Location: Muscatine, Iowa
Posts: 1,259
iTrader: 0 reviews
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well then shoul i reshim the gears or put the 4.10s back in the right way?
__________________
Current mods-Jba axlebacks, pacesetter Longtubes and ofr h, bmr tubular lowers, 10 psi procharger and 3 core intercooler, ram hd powergrip clutch.
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August 19th, 2009, 10:38 PM
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#10 | |
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Hardcore Enthusiast
2007 Mustang GT
12.69@111 MPH
Join Date: Jun 2008
Location: Muscatine, Iowa
Posts: 1,259
iTrader: 0 reviews
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like i said the vibration isnt shaking the car but it feels/sounds like a wobble in the driveshaft.
__________________
Current mods-Jba axlebacks, pacesetter Longtubes and ofr h, bmr tubular lowers, 10 psi procharger and 3 core intercooler, ram hd powergrip clutch.
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August 19th, 2009, 11:04 PM
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#11 |
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May 08 ROTM
2008 Audi S6
Join Date: Oct 2006
Location: S. Elgin
Posts: 6,683
iTrader: 3 reviews
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I'd clean up the gear install, make sure that's mint and then tackle the drive shaft quirks. One may be causing or enhancing the other.
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August 19th, 2009, 11:12 PM
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#12 | |
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Hardcore Enthusiast
2007 Mustang GT
12.69@111 MPH
Join Date: Jun 2008
Location: Muscatine, Iowa
Posts: 1,259
iTrader: 0 reviews
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thanks Erin
__________________
Current mods-Jba axlebacks, pacesetter Longtubes and ofr h, bmr tubular lowers, 10 psi procharger and 3 core intercooler, ram hd powergrip clutch.
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August 20th, 2009, 11:49 PM
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#13 |
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Hardcore Enthusiast
2008 Mustang GT
13.124@105.52
Join Date: May 2008
Location: Chicago
Posts: 2,138
iTrader: 1 reviews
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I agree with erin, fix one issue first and see how it effects the other.
But, I'm not sure why you need to "reshim" your gears. If they were set up wrong, and you've driven like that this long, they will have taken a wear pattern and no shimming will fix it. Hate to say it, but you'll probably need new gears.
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Hurst Crew Member #20 2008 GT - ARH, C&L, Hurst, BORLA, BMR, Bilstein, FRPP, Axle Exchange. Awesome. 
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August 21st, 2009, 12:02 AM
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#14 |
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Regular
1991 Mustang GT
Join Date: Feb 2009
Location: Florida
Posts: 51
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If I had to guess anything my money would be on a bad or loss U Joint. I had some common things like you but I had a bad fly wheel with the U Joint and ToB. But recommend checking U joints first but after reading your last post you should feel the vibrations pretty good but it wouldn't hurt.
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