I have the original engine from my 2003 Mach 1. Of course it's a 4.6 4v DOHC engine. Has around 115k on it. The previous owner of my car installed a ford racing crate motor in my car about 6k miles ago and when I bought the car the original engine came with it and I do not need it. He said that the car was pecking everywhere in the rpm band but not when idling. Said that he thought it was a piston wrist pin put again only going by what he said. He also said it happened while in North Carolina and drove the car back to Virginia with no issues (other than the pecking noise while driving of course). This motor is complete from the oil pan up except for the intake. will ship but prefer pick up, buyer pays shipping. Located in southwest Virginia. asking $1000 obo