I have a 2021 Challenger Wide body Scatpack Shaker with a Whipple supercharger. My idler pulley went out after 12000 miles. Has anyone else had this issue?
Brian35715
Haven't had that problem but sometimes pulleys just give up on life. Especially with a higher lb. Tensioner. If course without one. Can be bad as well from belt slap. With a supercharger try to use metal pulleys of you can and make sure they're torqued correctly and line up straight. A laser level works great for checking.
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