Quote Originally Posted by SonicHD View Post
I still dont understand why some have issues with belt slippage with an HD upper, its freakin huge. Maybe you need new belts, or your confusing the squeal that the accessory belt is known to make when it slips, especially when the truck shifts.

But if anyone is interested, I have aux idler setup like in Caymans pic laying around somewhere.
Lightning upper, slips like hell. Lightning with stock pullies slipped too. The MP bridge is the best way to go. Looks factory, doesn't have all the sleeves and aftermarket look. Costs about the same too.