I have read all the forums and have not been able to solve my problem. Rtv will not start. No smoke! It turns over great.I have replaced the injector nozzles because we got some water in the fuel which caused the injector nozzles to freeze up (on a previous repair). I have a racor inline filter which is clean and the standard engine driven fuel pump which is providing fuel to the bleed screw on the injector pump. I also have low pressure fuel at the injectors when cracking the compression nut at the injector. fuel is going back to the tank through the return lines. No high pressure! I have removed the injection pump and inspected each of the 3 injector pumps for wear/debris and free movement, all passed. It would seem that at least one of the 3 injector pumps would be creating high pressure unless I'm missing something. I have removed the tank and cleaned it, hoses filters etc. The pumps seem to be fairly straight forward. I need some suggestions. I even sprayed a shot of you know what in the intake and no reaction. I don't want to have the pumps rebuilt if they're not bad. Any tests besides trying to spray the injectors in a jar. Don't have the capabilities to hook everything up out of its current position.