ok i got my 85 iroc a week ago and i dont knwo much about the mmotor but that i did some tune up and put headers and exhaust on it the injectors are yellow are they accel injectors or are the stock ones yellow also the engine has been out of the car and rebuilt or replaced so i have no idea what the internals have had done

 

The first thing you may want to do is verify what engine you have. Check the casting numbers.

 

where on this engine would they be at?

 

Mortec