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  1. genscripter

    Air Conditioning Needs Fixed

    Do you have pressure in the system? If not, then your AC system will never engage, because there is a pressure switch on the drier. Do a vacuum pressure test. If it hold vacuum for a day, then you are probably ok to charge it. If the clutch doesn't engage, it's pretty easy to replace the...
  2. genscripter

    Gunk on injector

    A long time ago, back before I did my rebuild and head replacement, I had my #4 injector just like yours. I just assumed that when the PO put in those injectors, he probably didn't use a new copper compression washer or didn't torque the injector completely down to spec. Fuel bubbled up and...
  3. genscripter

    Fuel selector valve

    meh. To limit my mess, I kept a bunch of vacuum hose caps near me. When I pulled my hoses, I snuggly pushed in vac caps into the hoses and onto the fittings. Limited the mess to a few drips and splashes. DO NOT push the vac caps all the way into the hose, obviously. That would be hard to...
  4. genscripter

    Should I switch to synthetic?

    Good info to know. Like I said, I just heard that rumor, and I'm just passing along what I was told. The only reason why I remember it, was because more than one person told me, and if things are indirectly corroborated, I tend to file them in long term memory storage. As for a source, I...
  5. genscripter

    HARD KNOCK AFTER LIFT PUMP REPLACEMENT

    I thought this too, but I wouldn't expect it to tick like his video shows. Overall, I can't see how a lift pump replacement could produce a tick like that. Even if it were installed correctly or incorrectly. Also, if it was installed wrong, he wouldn't have any fuel pressure, and it would...
  6. genscripter

    HARD KNOCK AFTER LIFT PUMP REPLACEMENT

    Buy a 5 foot section of heater hose. Stick one end against your ear, and move the other end around your engine bay. It might help you narrow the location of the knock. If you changed your lift pump and it's knocking, it might just be an accessory or other component tapping against a...
  7. genscripter

    Timed my truck tonight

    I've seen this discussion several times on this forum, and I respectfully disagree about the statement that the timing gun is the best way to properly time an IDI. That said, I not supporting the inverse: timing by ear. Instead, I'd argue that the timing gun is only a minor tool in the process...
  8. genscripter

    So what did you do with your truck today?

    Today, I put some long-overdue gauges on my van. Electrical oil pressure, temp, and fuel pressure in a central overhead gauge pod. My stock gauges have been garbage for years, so I'm thrilled to finally have some real info http://www.nickpisca.com/diesel/fuel-system/new-overhead-gauge-pod/
  9. genscripter

    black or grey rtv? which is better for oil pans

    With an IDI, that's impossible. Well, not impossible, but definitely a very high bar. After my recent rebuild, I haven't had any leaks (knock on wood), but I kind of went into the project not expecting it to be perfectly fluid-tight. As for me, I used the Red RTV. Higher temp rating and...
  10. genscripter

    oil pump

    Ain't that the truth. I went with my old stock oil pump when I rebuilt my engine cuz I thought the aftermarket ones probably weren't as good, but then again, i had 3 spare pumps to choose from.
  11. genscripter

    6.9 block work

  12. genscripter

    got a cheap parts truck!

    http://centroidproducts.com/
  13. genscripter

    Headlight weird issue.

    Replace your headlight switch and pigtail ASAP. Also, if you have the time, you might want to run relays to shift the current from the stock pigtail and switch to a dedicated circuit just for the headlights. When my burned up, this was the condition of my headlight switch and pigtail. I was...
  14. genscripter

    got a cheap parts truck!

    ahhh. My bad. If you have a custom tank, I recommend using Centroid fuel senders. They don't have moving parts like floats and whatnot that eventually fail. Centroid units are basically just two concentric alum tubes that span the top to bottom of the tank. As the fuel level increases...
  15. genscripter

    got a cheap parts truck!

    What's wrong with the factory guage? If your guage is not reading right, the sender is likely bad, or you have bad ground . I wrote about this in my blog about replacing the sender in the IDI van...
  16. genscripter

    Should I switch to synthetic?

    I was always told that if you didn't start with synthetic, then it's not worth converting to synthetic that had conventional run in it for a while. Something about how the synthetic oil won't bond with the engine parts if conventional was already in the crankcase. I don't know the validity of...
  17. genscripter

    1988 7.3 idi DEAD

    I'd do a lot of research if you want to dump an unknown engine in a van. There is BARELY enough room to pull and put in an IDI engine, so you need to do a lot of prep to make sure your replacement engine will work. I've pulled a bunch of IDI's from various vans and here's a video of my latest:
  18. genscripter

    Money Pit #2 Won't run.

    I second fiddling with the metering valve. http://www.nickpisca.com/diesel/fuel-system/how-to-manipulate-the-metering-valve-on-6-9-7-3-idi-injector-pump/ it might Free up whatever is preventing what is stopping flow to the injectors. It's unlikely, but try it anyway. It's worked for me in a...
  19. genscripter

    oil cooler leaking oil

    If you haven't changed your seals on that oil-cooler in years, then it might be prudent to rebuild it while you have it off. http://www.nickpisca.com/diesel/engine/6-9-and-7-3-idi-oil-cooler-repair/ Those o-rings can get really old and brittle. I know you IDI truck guys have it tougher than...
  20. genscripter

    Electrical issues

    One of the first things that failed on my IDI van was that connector. Yellow wires melted the connector. I did just like everyone else described. It must be a common point of failure after decades of use. I wrote about it on my blog back when I redesigned my harness for my hypermax install...
  21. genscripter

    New engine but low power. 7.3 IDI

    Jesus h. I was not saying to time it by ear. And of course timing it with a gun is the best way, hence the reason why I spent the money to get my own timing gun and ferret meter. I was explaining to the OP, who doesn't have a timing gun, how he could adjust his timing a bit from his current...
  22. genscripter

    Fuel Pump Mechanical or Electric

    I went with the e-pump years ago. I love it 1000x more than the lift pump. But there are pros and cons. pros for the epump: purging the air from the lines becomes a breeze. Just on the pump, and push the schrader valve, and it'll pull from the tank to the filter. No cranking needed...
  23. genscripter

    New engine but low power. 7.3 IDI

    I have a timing gun and ferret meter and I like to tweak my timing all the time. But really, knowing the exact degrees is kind of irrelevant for these engines. If I were you, I would mark the IP rotation, and adjust the rotation a bunch of different locations, and drive it around. Keep track...
  24. genscripter

    Someone looking for IDI van

    OMG. that rear seating arrangement is tits. Also, I like the tv. Too bad there are no pics of the engine bay.
  25. genscripter

    How to time an IP that doesn't have the 3/4" nub on the front?

    On a different note, I have a question. I remember a while back watching a youtube video (I'm 99% sure it was @Macrobb ), where he adjusted the IP timing without turning the IP itself. There was a screw or something that he turned. I'm do not want to use that to time my IP. I want to time...

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