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  1. bulletpruf

    ZF5 swap - Another throwout bearing question

    I have the exact same question; my Luk SMF kit throwout was damaged upon arrival, the the pilot bearing was destroyed. Got a new pilot and installed it. I ordered a new SKF throwout bearing and it's substantially larger than the Luk. Looks like that won't be an issue, but if anyone has any...
  2. bulletpruf

    7.3 idit build

    Might not see cracks just with a visual inspection. I bought a lightly used Magnaflux yoke and some powder and magnafluxed the heads and block. One engine wasn't running when I tore it down and the other one was. The running engine had a small crack in between two valves one head and I ended...
  3. bulletpruf

    7.3 idit build

    Your build sounds a lot like mine. Just finished assembling the short block; see my signature for a link to my YT channel with a video on the assembly. Top end video coming up soon. FYI - I disassembled a 7.3 IDI-T and found a bunch of cracked pistons as well (details in Episode 3 of...
  4. bulletpruf

    7.3 IDI Turbo Build for '87 Crew Cab Dually 4x4

    Exactly! I was trying to be polite, but it wasn't easy. Yeah, I was trying to use as little force as necessary, but not easy to do without the dead blow. Thanks
  5. bulletpruf

    Mystery O-Rings in ZF-5 Rebuild Kit?

    Thanks for all the input. It's back together now.
  6. bulletpruf

    Mystery O-Rings in ZF-5 Rebuild Kit?

    My drain and fill plugs have metal washers that have a rubber inner section, but earlier ones may not have had that same setup.
  7. bulletpruf

    Mystery O-Rings in ZF-5 Rebuild Kit?

    Yeah, that's what I'm thinking. I called the company who sold me the kit. Spoke with a tech who couldn't tell me where they came from, either.
  8. bulletpruf

    Mystery O-Rings in ZF-5 Rebuild Kit?

    Anyone know what these o-rings are for? They came with my gasket/rebuild kit. I'm finishing up a rebuild on a S-47 4x4, and I don't recall seeing these on the disassembly. Looks like the two thin ones are for the shifter, but not sure on the other 3. Thanks
  9. bulletpruf

    7.3 IDI Turbo Build for '87 Crew Cab Dually 4x4

    Video of short block assembly is now live.
  10. bulletpruf

    7.3 IDI Turbo Build for '87 Crew Cab Dually 4x4

    Checked pre-load on the ZF5 that I just finished rebuilding. Hope to install this weekend.
  11. bulletpruf

    7.3 IDI Turbo Build for '87 Crew Cab Dually 4x4

    Engine is in. Luk flywheel, clutch, and pressure plate are on as well.
  12. bulletpruf

    Drop your painted motors here

  13. bulletpruf

    Larger 1995 psd oil filter on 7.3 IDI ????

    Tried to install a FL1995-A on my 7.3 IDI just now and wouldn't work because of crossmember clearance, or lack thereof. However, the trans isn't installed yet, so the engine is tilted down in the back. Once I get the trans in, I should be good.
  14. bulletpruf

    Install 7.3 and ZF5 Together or Separately?

    Pics from today.
  15. bulletpruf

    Install 7.3 and ZF5 Together or Separately?

    7.3 is in. Had to use the 1 ton slot on the cherry picker; at the 1/2 ton setting, it was about to tip over. Was also working on cracked concrete, so once I got the engine to the right height, I had to use my daily driver to pull the truck under it. Motor mount bolts took me at least an...
  16. bulletpruf

    starter bolt sizes

    Got the bolts in from McMaster-Carr today. Just took two days for them to get here. They were about 1/32" too long, so I touched them up a bit on the grinder.
  17. bulletpruf

    Good Replacement Clutch Manufacturer?

    Went with Luk as well for my built 7.3 IDI-T and ZF-5.
  18. bulletpruf

    Install 7.3 and ZF5 Together or Separately?

    Ok, I installed it today, but will take about 30 seconds to remove it. Thanks for the tip.
  19. bulletpruf

    Install 7.3 and ZF5 Together or Separately?

    Good tip on the all thread! I'll have to try that. Thanks
  20. bulletpruf

    easiest method to blocking off hole in the back of the intake.

    Ahh, that makes sense. Thanks
  21. bulletpruf

    Install 7.3 and ZF5 Together or Separately?

    Plan is to do it solo. Appreciate all the input!
  22. bulletpruf

    easiest method to blocking off hole in the back of the intake.

    Got to do the same thing to my 7.3 IDI-T. What did the factory use to plug this hole on turbo trucks? If my intake had one, I can't find it.
  23. bulletpruf

    Install 7.3 and ZF5 Together or Separately?

    Finished the rebuild of the 7.3. It's going in my 87 cc drw 4x4 project truck. Truck doesn't have core support, so I won't have to lift too high. My concern is how heavy the engine/trans combo is together. I have a newer cherry picker and I know it will lift it all, but it will be difficult...
  24. bulletpruf

    So what did you do with your truck today?

    Well, I can't claim credit for the coffee cans. Those came with a bunch of 1970's C3 Corvette parts that I picked up for $1500. Been selling stuff off in order to pay for the 7.3 build.
  25. bulletpruf

    So what did you do with your truck today?

    Cleaning/degreasing/wire brushing/sandblasting and painting stuff seems like all I do these days, but it's getting closer to being ready to install. Also installed some of Justin's Stage 1 injectors.

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