Well my little 89 notch is being stubborn. I just refreshed my 302 after a nine year hiatus and she wont take no throttle? Press the throttle progressively and she runs decent, open it up and she starts bangin. I'm guessin that the pump is crapping out on me so I bought a 255. Do I have to run an adjustable regulator w this pump or can i run it on the stock regulator? Its got a new coil, wires, and plugs and thats why I'm leaning towards a fuel delivery prob. Any advice or knowledge about my situation would sure save me a lot of headaches......