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post #1 of (permalink) Old 11-14-2002, 10:23 AM
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Shaking at 63+ mph

I have a big 91 bronco that shakes at 63 mph.when my tires are balanced the shaking is not so bad.My front end is tight and i just had my rear axels replaced along with my drive shaft being balanced.I was shown by a drive shaft place that where my shaft bolts to the flange at the diff there is up and down play where the flange goes into the diff.Is there suppose to be some play even though very minimal?I have a 6 inch procomp lift with 35's.Thanks
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post #2 of (permalink) Old 11-14-2002, 09:46 PM
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Re: Shaking at 63+ mph

8.8s have a problem with the pinion nut backing off. Get a new nut & crush collar from Ford and use some red LockTite when you install it. You'll need a BIG breaker bar to put at least 220 lb-ft on the nut and an inch-lb torque wrench to set the bearing preload. Look on for the specs.
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post #3 of (permalink) Old 11-26-2002, 02:52 PM
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Re: Shaking at 63+ mph

Do you have a steering stablizer on it? Make sure its good and you might need a bigger one or even 2. A stablizer makes a world of differnece.
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