if i switch out the twin turbos for a single turbo and 3406 b manifold will the ecm throw a code at me or will it work ,thanks.
hi i twin turbo also with 411 gears with same problem can i use a power harness to help.
i have a550 accert with 411 gears and long over 13 speed and 295 22.5 tires looking for ways to get better fuel mileage.
