Crazy shaking at WOT from dead stop - Ford Powerstroke Diesel Forum
 
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post #1 of 4 Old 10-15-2012, 06:30 PM Thread Starter
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Crazy shaking at WOT from dead stop

I installed Vivan Looney Wild tune and when I take off from a dead stop or under 45 and punch it the whole truck shakes like crazy. Not sure if its wheel hop or axle wrap. It didnt do it when the truck stock tuned. Oh the Excursion has a 8" lift and 37's has a custom drive shaft already installed. But if you punch it over 45mph it just runs like a bat outta hell. Any help would be nice I dont want to throw a ton of money into this trying to figure it out.
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post #2 of 4 Old 10-15-2012, 06:39 PM
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Sounds like front bushings or rear bushings. Possible axle wrap, but you should feel that over 45 also.....

Maybe front or rear sway bar.....u joints.....track bar...

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post #3 of 4 Old 10-15-2012, 06:43 PM Thread Starter
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It has new u joints in the rear shaft. It didnt do it before the horsepower gain.
I'm tempted to put it back to stock
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post #4 of 4 Old 10-20-2012, 07:48 PM
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Axle wrap! Doesn't do it until the turbo starts to spool and the power starts coming on hard does it?

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