Ok so far the guys on v8s10.org have convinced me to use my tank pump. My deal is since I had to use the complete harness from the 89 s1o donor truck to do my 2.8 to 4.3 swap. Oh I forgot I'm working on a 88 s10 blazer. I know there are two wires on the pump. One is prime and the other is to keep it running I guess. If I'm wrong tell me please. But how or what is the best way to wire it. Do I use the relay still or should I add my own. I've swapped over to the edelbrock 2111 intake and have a holley 390 and will be getting a holley bypass regulator next week. And help or sugestions here will be apreciated. Thanks in advance.