Im swapping out motors in my 85 silverado and the motor i have for it is a 350 bored 30 over out of a 1993 silverado.. Im converting the 93 motor to carb and eliminating all the computer stuff. Im trying to figure out what distributor i need to get to put in the 93 motor to convert it to HEI? Please help me all help is greatly appreciated.. Thankyou