i did a 4cyl to v8 conversion in a 93 hatch back i go to enter the cin info into my snap on scanner i need the 5th 8th and 10th letter the 10th is p for 93 the 5th is p for ford car and the 8th is for what size motor what letter is it for 5.0? i also need a few parts if anyone has them i need a 140 speedo for a 93 and a healight harness for a v8 also i wanted to add the car will not idle it has a a9p comp and the corrsct harness