High Speed Rumble
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Posting Guru
Joined: Nov 2006
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High Speed Rumble
when I race my truck sometime, a 1995 F350, towards or after 80mph, the truck makes a loud humming noise, and when I let off the gas, and takes a while for it to go away, it stops around 70. What makes all the humming and hallering and vibrating. I must be going atleast 105mph, but I dont understand why it cant sustain that, everything on the truck is new but what would be that, the drivetrain, gearing, tranny? Its not a tie rod
Post Fiend
Joined: Jul 2006
Posts: 6,948
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bearings in the t-case, or even the rear axle could cause crazy stuff. Since you mentioned noise, and vibration, I would look at the driveshaft. The center suport bearing could be having problems at that speed, or it could be that the rotating assembly is just slightly out of balance, and not as noticeable until the speeds are increased.
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