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Bad Vibration and "whir"

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Old 07-27-2011, 09:53 PM   #21
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Confirm the DS is balanced, the angles are correct, the wheels are properly balanced and be sure the wheel stud clips have been removed on all 4 hubs.
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07 GT Prem: Alloy, MT, 3.55's, Steeda CAI w/Brenspeed tunes, FRPP Stingers, 275/40/18 Goodyear Eagle F1 A/S on SVT Cobras (OE GT500's), 14" shorty, Wheelskin side scoops & qtr window louvers, A-H rear window louvers, SHR honeycomb blackout panel, Sequentials, Hella Optilux Extreme XY fogs, Silverstars
06 V6: Legend Lime, Pony Package, 14" shorty, Sequentials, Hella Optilux Extreme XY fogs, Silverstars
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Old 05-13-2012, 02:09 AM   #22
Join Date: Jul 2011
Vehicle: 2007, Ford Mustang Roush
Location: Indiana
Posts: 11
Default Fixed

First of all thank you all for your suggestions and thoughts. Secondly, all issues were fixed. I ended up having the heavy Roush High Performance drive shaft removed and replaced with a custom built aluminum drive shaft. (that solved the vibration. I had a really badly installed set of 3.90 gears removed and replaced with 3.55s for better daily driving gas mileage (although I do miss the launch) and that solved the high whining sound. (and yes the additive is in it)
I will say that it still has a little whine to it, but others have stated the whine never really goes away. And lastly, the shifty feeling from the rear end was caused by a worn out set of BMR lower control arms.

Apparently the people who had this car before it got repossessed and resold where I got it from, had it set up to drag and wore the drive train completely out. But, after some TLC, and about 2000 bucks, she's back to where she needs to be.

I do have another question though. The lower rubber belly pan, apparently came loose finally because the Roush front bumper finally ground down enough that the bolts flew off and caused the belly pan to flip backward and drag down the freeway under the car. It's pretty much destroyed, and I need to know where I can find a new one at, or if I should just start looking at salvage yards.
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2012, 67, 70mph, aluminum, drive, engine, gears, manual, mustang, roush, shaft, shaking, steel, v6, vibration, whirr

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