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Discussion Starter #1
My tranny does whine a bit. The car has the stock driveshaft. The only mod is a pro 5.0 shifter. Any ideas what could be causing this nasty vibration at 70MPH or faster? It vibrates bad enough that the shifter will pop out of 5th gear on the highway. What do you guys think? $124k miiles if that helps....
 

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i had the same problem caused by myself though same cure as other threads drive shaft imbalance about 80 mph the mirrors were shaking so bad i couldnt see out of them . ahh the power of aluminum buy the ford driveshaft comes with new yokes and u joints installed. i had my steel one balanced reinstalled it still shook like hell, worst $35.00 i spent. i then changed axles drums new rear bushing in rear of trans and finally aluminum driveshaft
120mph never smoother and it looks killer when your liying under the car on those late nights its so big compared to the steel one.
 

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Discussion Starter #4
Thanks guys! I clicked on that link and printed it out so I can begin my search.....Mucho thanks again!
 
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