NAW, I DONT KNOW...THE LAST TIME HE GOT A USED MOTOR...RAN IT FOR A FEW THOUSAND MILES, UPGRADED THE TURBO, THEN THE PISTON RINGS WENT...ITS KNOCKING NOW, BUT ITS STILL DRIVEABLE..I DONT KNOW. I THOGUHT IT WAS TUNED..I GUESS THE GUY DIDNT KNOW WHAT HE WAS DOING.