I have a 1988 iroc tpi 350 186,000 miles on engine. 2 of my injectors are leaking, for #7 and #2 cylinders . Would it be the injectors themselves or the O-rings on the fuel rail (gas is leaking from the top of the injectors, look like where the injector connects to the fuel rail) and how could I tell if it was the injectors. Also where can I get injectors on the sameday of fix. Autozone and O'Reily have to order them down here in Houston TX. Thanks John

 

Your in luck, the Orings are leaking if it is coming from the top of the injector.