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Boost Freak!!!!!!!!
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5,887 Posts
Discussion Starter · #1 ·
I'm getting a slight rumble at 28-30 mph.
Could this be that I droped the rear 2 inches and need to flip the shims to change the pinion angle
 

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Boost Freak!!!!!!!!
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5,887 Posts
Discussion Starter · #3 ·
Thanks Mike yea you feel it in the seat its not in the stering wheel so I know its not tires I only have 7,000 miles on the Lightning and tire ware is perfect
 

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Recently dropped the rear of my Harley 2 inches. Low and behold the dreaded rumble. Did not even bother checking the angle since it was not there before the drop. Flipped the shims and problem corrected.
 

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Boost Freak!!!!!!!!
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5,887 Posts
Discussion Starter · #5 ·
Thanks Im going out there to do that after it cools off a little it's fricking 94 out right now :cheers:
 

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Boost Freak!!!!!!!!
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5,887 Posts
Discussion Starter · #6 ·
Allright Just turned the shims around and problem solved. :D (I really didn't think you had to on a 2 inch drop)
So if you have a 03 or 04 Lightning and do a 2 inch rear drop your going to have to flip the shims ( turn them around 180 degrees) :shock:
 
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