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  1. ROCK HARVEY

    Good replacement for Holley Black Pump?

    Airdog makes a “raptor 100” lift pump that puts out 100gph and has a regulator that can be set at 1-30psi. It’s around $300 but it’s a pump you can have confidence in.
  2. ROCK HARVEY

    Wear on brake shoe due to parking brake lever

    Cubey hit the nail on the head. Check out this other thread detailing this issue: https://www.oilburners.net/threads/the-problem-with-new-brake-shoes-and-the-parking-brake.86722/
  3. ROCK HARVEY

    Dana 50 wheel bearing replacement, how in-depth should I get

    I personally prefer the green flavored grease but I’ll take the red flavor if the green flavor isn’t in stock :)
  4. ROCK HARVEY

    Dana 50 wheel bearing replacement, how in-depth should I get

    I would check the needle bearings. Mine were toasted, and I had to replace the stub axle as well as a result.
  5. ROCK HARVEY

    Head gasket failure pics.

    Haha my brain totally missed that one. Yeah I would not run those gaskets!
  6. ROCK HARVEY

    Head gasket failure pics.

    As for the failure, are you sure the block and heads are flat in that area? That’s the only thing I can think of, outside of a manufacturing defect. Also, one thing I recently learned the hard way is that fel-pro head gaskets can be accidentally installed upside-down. The “up” side can be the...
  7. ROCK HARVEY

    Head gasket failure pics.

    I think what you’re looking at is a 7.3 head gasket with the “6.9 cooling mod” done to it. If you didn’t do it yourself, it probably came from classic diesel designs since they add this hole to their head gaskets so they can sell one part for both 6.9 and 7.3. Here’s a screenshot from their...
  8. ROCK HARVEY

    Bell housing dowel needed

    Ok I figured out why I was confused. The dowel I measured did come from the ZF-5 in my truck, but that’s because my ZF-5 was originally behind a 460 gas engine. So your useless fact for the day is that zf-5s behind 460s use 1/2” dowels, and diesels use 0.335 dowels!
  9. ROCK HARVEY

    Bell housing dowel needed

    I thought the one I went and measured came from a truck engine, but it must have come from that 7.3 IDI I got out of a boat (no adapter plate) Sorry for the confusion!
  10. ROCK HARVEY

    Bell housing dowel needed

    I can tell you that the ones between my 7.3 and my zf-5 were exactly 0.5 inches in diameter and 1 inch long. I’m betting that yours are 1/2 inch dowels too, but the lengths are probably different depending on the transmission. They should be available on Amazon and elsewhere, but probably not...
  11. ROCK HARVEY

    Fuel shutoff solenoid leak

    Those red isolators are supposed to seal those openings. Are they damaged in any way? I bet you could get away with adding RTV to make it seal.
  12. ROCK HARVEY

    Clutch pedal stiff & doesn’t engage the clutch when depressed, also pedal gets stuck when coming back out?

    These things are a pain to bleed. I probably pressed the pedal 1000x with my foot, no kidding. You can pull the inspection cover off the bottom to see whether you are getting any separation. As soon as you’ve bled it enough to get it to shift gears, start driving it. The vibrations/movement will...
  13. ROCK HARVEY

    92 7.3 Driveshaft keeps sliding back out of carrier bearing

    You are correct, I just went and checked a non-speedo tailhousing and the hole is part of the casting it just isn’t finished drilled out. So the 1356 probably isn’t the issue either, so it looks like the driveshaft itself might be the issue. Anyone have his same setup and can get us a measurement?
  14. ROCK HARVEY

    92 7.3 Driveshaft keeps sliding back out of carrier bearing

    One other thing I noticed is that the 1356 has a hole in the tail housing for a speedometer cable. In a 92 truck the speedo should be read off the rear diff, so there should be no hole here. If the 1356 isn’t original, does anyone know if they came with different tailshaft lengths? Maybe this...
  15. ROCK HARVEY

    92 7.3 Driveshaft keeps sliding back out of carrier bearing

    I’m wondering if someone did a transmission swap along the way. Try running your VIN through VIN decoder website to see if the original equipment matches what’s on the truck.
  16. ROCK HARVEY

    Cheap ZD-9 Motorcraft plugs on Flea-Bay? Legit or sketchy?

    If you do buy them, another thing to check is whether a magnet sticks to the top. I’ve heard some say that fake ones are non-ferrous where the wire connects.
  17. ROCK HARVEY

    Head gasket ruined?

    It did turn out to be upside down. Thankfully I was able to get another gasket locally and everything is torqued down again. Thanks guys!
  18. ROCK HARVEY

    Head gasket ruined?

    I don’t see anywhere where the gasket sticks out enough to have markings on it, but looking closely at the edges of the two head gaskets I do believe it’s installed upside down. I guess I had a 50/50 chance and didn’t get lucky. I’m leaning towards buying a new gasket rather than flipping one...
  19. ROCK HARVEY

    Head gasket ruined?

    I’m doing some work on my truck, including head gaskets, and at the end of a long hot day I realized I torqued down one of the heads without checking whether I put the gasket on right side up or not. I’m definitely pulling the head off again to make sure, but is the head gasket OK to flip and...
  20. ROCK HARVEY

    What would you get?

    Here’s another neat idea: install an oil temp gauge with a toggle switch and two senders. One for the oil temp and one for the diff temp so you can check both!
  21. ROCK HARVEY

    7.3 IDI excessive oil usage

    I have a suggestion that hasn’t been mentioned yet: Liqui Moly Diesel Purge. It’s supposed to clean built up carbon off of the injector tip and chamber. The way you’re supposed to use it is to hook up your fuel intake and return hoses to a container full of diesel purge, and just run your engine...
  22. ROCK HARVEY

    What would you get?

    Do you tow? How about a temp gauge for the rear diff?
  23. ROCK HARVEY

    Reuse this injector?

    The truck was running fine, but leaking coolant externally at the back of the driver’s side head.
  24. ROCK HARVEY

    Reuse this injector?

    I’m doing my head gaskets this weekend, and ran into my first trouble when pulling the injectors. One of them came out in half, which stinks but I know what to do. The one I have a question about is this one. Is this a sign the injector isn’t sealed internally or something like that? Would you...
  25. ROCK HARVEY

    Intermittent violent engine shaking, possible misfire.

    Oh one other thing I definitely recommend replacing is the transmission mount. They’re cheap and a new one will help keep your ZF5 tailhousing from cracking like mine did!

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