Roaring at 70 mph
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Freshman User
Joined: May 2009
Posts: 39
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From: Kentucky
Roaring at 70 mph
I did the v-code swap and installed the Hellwig sway bar...all was good. I installed the f-350 blocks, new tires, and alignment, now at 70 mph it sounds like the rear end is roaring, until I accelerate. Oh, and the sway bar broke my anti-loc brake connector going to the rear brakes. Any suggestions?
Posting Guru
Joined: Oct 2003
Posts: 1,198
Likes: 2
From: Tulsa, OK
So...you kept the stock rear "G" code springs and installed the 3.5" tapered block? If correct, my guess is that the pinion angles are not good and you have u-joint whirr. You may want to go ahead and install "B" code springs OR put RAS on stock springs with 2" block.
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