thought was motor mounts. i would have a good look at them. the engine shocks are cheap so i prob would change them too but i don't think that they are a likely culprit. then too it could be a twisted exhaust pipe that is getting metal to metal contact. i would also check the tranny mounts to be suee a bolt hasn't come loose and allowed it to drift off to one side.

tom w

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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.[SIGPIC]

..I also have a 427 Cobra replica with an aluminum chassis.