Great explanation. I took the line off from the fuel pump, and blew air back towards the tank, I believe that would have eliminated any clog at the petcock from the tank. I also cleaned the line from the fuel pump to the filter. I broke the line loose at the injector pump coming from the filters and seem to be getting good flow there. Next I took the return line loose after the last injector and was good flow there. With the engine running, I cracked each of the injector inlets until it started to bog down, then tightened them back up. I also removed the air intake hose from the block and it did not solve the problem. I did check for any obstruction though. Changing the filters is next. They are fairly new (within the last 6 months?). In regards to the return line from the injector pump, I have not tried that but I will. Just to clarify, that is the metal line from the top of the injector pump that runs up to the return line, right? Thanks for all the suggestions. Rusty
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