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  1. Jeepsinker

    So who has bumped the power on a 6CTA cummins

    Alright, now you can start turning your fuel up. Never a good idea to do tuning with bad components in the system. I can't remember at the moment if the MW pump has a fuel plate like the P7100 does ( it's very late and I'm very tired), but that's where I'd start.
  2. Jeepsinker

    So who has bumped the power on a 6CTA cummins

    You could, but the only benefit there is if you have an engine that consumes enough fuel that you need larger feed hose and dual inlet ports to the injection pump, along with a much higher performance fuel supply ( lift) pump. There is no conceivable instance where anyone would benefit from...
  3. Jeepsinker

    So who has bumped the power on a 6CTA cummins

    Basically it's the whole banjo bolt that connects the fuel return line to the injection pump. It has a small wire spring in it and a ball bearing and seat that act as a pressure relief valve. They're very susceptible to corrosion and wear. This bleeds off internal fuel feed pressure in the pump...
  4. Jeepsinker

    So who has bumped the power on a 6CTA cummins

    Replace your overflow valve. A poor condition overflow valve is the #1 cause of low power on an engine equipped with a P7100, P3000, or MW type pump.
  5. Jeepsinker

    So who has bumped the power on a 6CTA cummins

    Turbo flange gasket on my 936 is blown out too. Apparently it got loose and I didn't catch it in time. Of course nobody can look up a simple gasket without an engine serial number.... Morons...
  6. Jeepsinker

    So who has bumped the power on a 6CTA cummins

    So I guess what I'm asking here is: is it even worth going to the HX50 and bumping up the fuel, maybe stepping up to larger injectors if I don't go intercooled? I need sustained usable power.
  7. Jeepsinker

    So who has bumped the power on a 6CTA cummins

    But then again, more air and more fuel make for higher EGTs, so at some point an intercooler will become a must, especially in my case (wrecker) so that I don't melt a motor down. I need to be able to harness the extra power gained without having to take my foot out of it halfway up every hill.
  8. Jeepsinker

    So who has bumped the power on a 6CTA cummins

    What about an HX 50? That should be a bolt on with some tuning I would think. I don't know, I'm not a diesel performance guru.
  9. Jeepsinker

    So who has bumped the power on a 6CTA cummins

    For more accurate (and useful) readings, the probe should have been installed pre-turbo. You want to see the egt before it gets to the turbo so you know it isn't going to melt anything. Post turbo temps just show you high egt too late.
  10. Jeepsinker

    So who has bumped the power on a 6CTA cummins

    I've said my peace. If it doesn't start my way, it isn't going to start.
  11. Jeepsinker

    So who has bumped the power on a 6CTA cummins

    And crank it with the bleeder open. It is a 10mm wrench you need.
  12. Jeepsinker

    So who has bumped the power on a 6CTA cummins

    WM, I'm telling you man, I have over thirty of these trucks in my field right now that I keep running and I go through this daily. Only way to get it done is to push fuel from the tanks up.
  13. Jeepsinker

    So who has bumped the power on a 6CTA cummins

    Crack open the bleeder on the IP and put some air pressure to whichever tank it is set to draw fuel from. I have a fuel cap with a schrader valve on it for this because these trucks have such notoriously crappy fuel systems. Pressurize the tank until fuel drips out on the ground from the bleeder...
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