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  1. C

    O ring size on 6.9/7.3 injectors.

    I just recently put a return kit on my 6.9. About a month afterwards I blew a head gasket. I picked up a 7.3 IDI to replace the 6.9. Of course I want to transfer the new return caps and lines. What o rings do I ask for at the parts stores for the injectors? I really don’t want to buy an entire...
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    Differences between the 6.9 and the 7.3.

    I have an opportunity to buy a couple of 7.3 IDI engines. In a previous post I asked about pulling the heads off of my 6.9 in the truck. I bought an ARP headstud kit, a head gasket kit and an intake manifold gasket. I know that the head studs won’t interchange because of thread size. Might the...
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    Pulling heads from a 1983 F250 6.9

    Well it seems as if I may have had a head gasket blow on my 83-6.9. Something poked a hole in my radiator as I was driving it and started to lose power and when I stopped it was blowing the coolant out of the hole in the radiator. I let it cool and refilled it and restated it but now I have a...
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    Temperature sensor 83 6.9

    I feel like such a newby sometimes . I for the life of me cannot find information about the location of the temperature sensor on my 83 F250 6.9. My temperature gauge doesn’t show hardly anything even after driving 30 miles when definitely it should be showing something. I wanted to check the...
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    Plastic fuel line connectors at the tank switch.

    Okay I managed to screw up the 90° fittings that go onto my tank switch. I am using a later tank switch on my 83 F250. The early switch has rubber lines running to the switch and the later switch has plastic lines with retainers and 90° fittings at the switch. I accidentally ruined the 90°...
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    83 tank selection valve. Updating to type with round pins rather than flat.

    Okay I searched the archives and didn’t find a solution although I did gain knowledge so thank you! My 83 F250 is not switching tanks and the dash switch while functional is not making the tank switch work. This switch is the older one with the flat pins which are almost non findable. I am...
  7. C

    Fuel supply line from lift pump to filter housing.

    Greetings all, first posting. I have a 1983 F250 with the 6.9 diesel. While putting a water pump and thermostat in it I apparently reopened a crack in the fuel line from the lift pump to the filter housing. Would anyone know where I can get a replacement line? I know it has the inline heater but...

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