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    DP-D1 shaft allignment propeller nuts

    The DP-D1 manual on page 43 under the checking backlash section mentions a set of propeller nuts for getting the proper distance from shaft center for measurement, but there is no tool number reference, and a search on the internet has not produced any info on them. There is an alternative...
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    2004 8.1 GI has no throttle response above 2600rpms under load

    I was running well at 3800rpms the other day and the motor just started to loose power. It now will not go over 2600rpms under load. It is acting like it is fuel starved. So far I have eliminated all tank and line issues by running brand new gas straight from a portable tank to the fuel pump. I...
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    8.1EFI fuel pump cooling

    I have an 8.1L that runs fine except if I shut it off for 15 or 20 minutes. It starts hard and runs rough for a couple of minutes. It acts like it is vapor locking. I removed the down stream cooling lint that feeds into the riser, and there is no water comming from the pump. The feed side from...
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