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    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...
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    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...
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    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...
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    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...
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    Valve Stem Seals

    Can you explain how a diesel engine can build vacuum since there is no throttle plate in the intake system.
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    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...
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    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.
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    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?
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    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...
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    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.
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    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.
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    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.
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    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.
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    what filterhead do I need for a Fleetguard WF2071?

    https://www.aliexpress.us/item/2255801133754549.html?gatewayAdapt=glo2usa4itemAdapt
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    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.
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    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.
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    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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    Grease gun recommendations?

    I go through at least one 5 gallon bucket which I think is 15 pounds of grease a year here. I bulk fill the M18. On some equipment that I grease I have to fill the gun twice. Most I can get by on one filling. I actually own 3 of the M18 guns and have one pistol grip which seldom is used anymore...
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    Grease gun recommendations?

    Can not go wrong with a Milwaukee M18 however if all you are greasing is the truck then it would be way over kill. Lincoln pistol grip I have had good luck with also.
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    Unusual coolant leak on 1993 7.3 IDI factory turbo

    If I was doing the looking the first thing I would do is hose off the engine. Let it dry and then pressure test without running so the fan would not be blowing anything around. If nothing shows up given a reasonable length of time then I would plug in the block heater so you get a temp change...
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    Unusual coolant leak on 1993 7.3 IDI factory turbo

    Best bet would be to put a cooling system pressure tester on the radiator and pump it up to 15 pounds and start looking. Might be able to borrow one from a parts store if you do not want to buy one. Yes it could be the block heater. There are some soft plugs in that area also along with the...
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    Oil overfill ok?

    Ford used this system on the Model T. Had a long rod that would slip over the petcock lever. You did not have to get under the car that way. Maybe it was a better idea!
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    So what did you do with your truck today?

    Not just a today project as I do not want anyone getting the idea that I am a man of speed. This has been over the past week or so. Worked on the dash, when I replaced the light switch the plastic was breaking out where switch mounts so made a metal plate to reinforce the area. Right side brace...
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    Stanadyne Performance formula

    The fuel injection shop that I have used several times recommends Stanadyne now that sulfur is not longer in the mix. Since they also make pumps I would think they should be a trusted source for additives. I farm running mostly older diesels. Have several AMBAC 100 pumps and three Robert Bosch...
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    So what did you do with your truck today?

    Lost the tail lights last night so dug into that today. Headlamp switch connector had melted terminal. Fuel gauge and selector was not working so while I had dash apart looked into that. The selector switch I had gotten of EBay must not be correct for a diesel as it blew the fuse every time I...

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