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  1. I

    Oil and coolant mixing

    Dawn soap cleans up the cooling system. May take a couple of times.
  2. I

    So what did you do with your truck today?

    Changed the oil, oil filter, and fuel filter. First time since I have owned the truck. I had put 4000 miles on it and the oil was changed just before I bought it. Fuel filter was marked Feb 2022. Ran to town and bought a filter wrench as the ten or so around here that I had none fit. Also picked...
  3. I

    Another good reason to stay out of Calif.

    I have to wonder how much additional we add to the atmosphere when an engine is deleted? Would we have been better off to stop awhile back in tier levels and call it good? Chipped trucks certainly do not leave a good impression with many around them.
  4. I

    Electric fuel pump wiring

    This site should give you the information you need. https://www.wiringtoday.com/12-volt-relay-wiring-diagrams/ The diagram for the cooling fan will work for your fuel pump. Just ignore terminal 87 you will not need it. You will need a oil pressure switch to control the relay, not a sensor...
  5. I

    Electrical adventures thread - I blew or burned out something...

    I find they are usually in circuits that need protection but as a rule will never have an issue that would cause one to blow. Such as feeds coming off the main power sources. Those systems (lights, gauges, etc.) are normally protected by fuses and the links provide the protection for the feed...
  6. I

    Charging question

    Do a voltage drop test under load and it will tell you what is going on. Cheep drop test, put it under load for a few seconds such as cranking it over turn on headlights etc and then feel for a hot spot. Heat equals resistance and that will be your trouble spot.
  7. I

    No fuel to injectors, IP full

    Dumb question but you did connect the power wire back to the shut off solenoid and you can hear it click when you turn the key on and depress the throttle a little?
  8. I

    So what did you do with your truck today?

    Still on the test in Idaho. I still drive a couple of cars that came out of the factory long before anyone thought we needed turn signals.
  9. I

    7.3 idi compression test results

    Do a cylinder leakage test and you will know where the compression is going, it may tell you about the side by side cylinders with same compression. You will always have leakage past the rings. Intake and exhaust should show no leakage, you should not see air in the radiator. General rule of...
  10. I

    What is the part I’m missing? Ignition trim?

    Or you can buy a complete set door lock cylinders and ignition tumbler. That was the route I went when I did mine...
  11. I

    Valve Stem Seals

    Interesting points. Trying to understand your logic a bit better. Do we both agree that a vacuum is created on earth because there is a restriction in air flow? If we do agree on that then I am having a hard time following how you can produce vacuum going past an open intake valve. At least...
  12. I

    Valve Stem Seals

    Easy way to prove it to yourself is install a vacuum gauge on the intake manifold of a diesel and see what you read. Vacuum is created when a there is a restriction in the intake so less air can move into the cylinder when the piston is moving down. Put a vacuum gauge on a gas engine and you...
  13. I

    Valve Stem Seals

    Can you explain how a diesel engine can build vacuum since there is no throttle plate in the intake system.
  14. I

    Glow plug amp draw

    When I went through mine last fall when I measured the draw an individual plug would draw 27 to 30 amps for a couple seconds. The set of eight would draw close to 250 and quickly drop off. Seems like they would drop down to around 140 or so in around 15 seconds. This was measured with an...
  15. I

    U joint troubles

    May not be any of what I list. U-joints in proper phase? Running at correct angles? Slip joint is free to slip drive line not to long or short? Maybe not of the above.
  16. I

    Clutch Questions!

    Since I probably will be facing this issue down the road I have a question. It appears the majority seem to recommend going to a single mass conversion. Why is that? From what I understand there are more noise issue from the transmission at idle. Does the dual mass cause that many issues?
  17. I

    Pending Machine Work

    Call Pat at 208-305-4540 he is originally from Southern Idaho and he told me of 3-4 shops that he was aware of the day I talked to him. He may be able to steer you in a good direction. At the very least I would pull the damaged pistons and have them checked along with the rods. Used pistons if...
  18. I

    Trailered home a 1989 F350 dump truck that looks great on the outside, but the 7.3 IDI is something else

    Was talking to my machinist the other day about a 7.3 and he told me that cylinders 6 and 8 were the usual ones to develop pin holes if that helps you any in checking out things.
  19. I

    Pending Machine Work

    I made it to Lewiston today. The guy I had in mind is no longer doing diesels. The shop he worked at when I was using him is no longer in business. So I struck out for you, sorry. Pat did say that cylinders 6 and 8 were the ones that normally showed cavitation issues if that helps you any.
  20. I

    So what did you do with your truck today?

    I will be in Lewiston Monday the 15th and I will try and run him down for you. Will check with the old shop and see where he went and try and get a phone number and address for you. The one I remember him working on was getting a sleeve installed due to cavitation.
  21. I

    So what did you do with your truck today?

    Is Lewiston to far for you to travel? I know of a very good machinist but I will have to check and see where he is now as he moved shops couple years ago. He has done several International diesel engines for me over the years just not a 6.9-7.3 although I know he has done them.
  22. I

    what filterhead do I need for a Fleetguard WF2071?

    https://www.aliexpress.us/item/2255801133754549.html?gatewayAdapt=glo2usa4itemAdapt
  23. I

    Glow plugs heat at hot start

    Have not had mine all that long, even hot it lights up for a few seconds. I normally wait until it goes out. If in a big hurry I start it and they are off after couple seconds.
  24. I

    So what did you do with your truck today?

    Think it was a toggle switch. I am on the road but can look when I get home as have one sitting in the drive with that system.
  25. I

    So what did you do with your truck today?

    Made it to the local yard and was able to find a cruise servo (electric style) for the 94. Lots of vacuum style but only a couple of the newer systems. I knew about what length cable I needed to fit the factory turbo as I bought one off EBay which supposedly was for a 7.3 and maybe is but the...

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