so started 2 nights ago weird noise like my car has 2000 horsepower and last night i raced another ss and then like 34 min later the car just thumped. i hit the gas and the car was normal then when i let off it seemed like the motor slammed against the hood shaking the whole car i was like so this morning i took the car in dropped it off and they called me back a hour later said it was the tranny mount and harness love warrentys though