Ok so ive been searching around and ive found people using obd1 engines and harnesses in obd2 cars, all with ecu conversion harnesses. My question is can i use a complete obd1 engine(even dizzy, with no ckf senson on crank) in my 97 LS and run it off a obd2a ecu. will the ecu get its ckf signal from the dizzy or will i run into problems??

 

You want to use aOBD1 ecu , the p28 or p72 easy to chip and tune and the OBD1 ecu does not need the crank position sensor

 

i know the obd1 ecu would be best... but i need it to run for a while on a obd2a ecu so it can pass smog testing