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  1. John_piv

    No fuel to injectors, IP full

    Hey y'all, FINALLY found a replacement 6.9 for my 87 after about a year so I'm stoked to get this ol' rig moving again. Engines in, trans is mounted, ready to go, and I have no fuel at my injectors when I go to bleed the air out. Getting fuel from the tank to the pump, filter is full, and IP is...
  2. John_piv

    Need help identifying a knock

    Hey y'all. Finished a ZF-5 installation a little bit ago and went to go test drive the truck. Engine's knocking, hard. I was hoping it was fuel knock, so I cracked all the injectors; to no avail. I run WMO, so I'm hoping its something gummed up; but I want to see what y'all think. Could be...
  3. John_piv

    Gettin' pissed over a ZF-5 install

    Hey y'all, Clutch went out on my T19 a few weeks ago so I decided to go ZF-5 while I had the trans out. It was enough of a headache to get that heavy sumbitch under the truck, but now I got it all the way up and she won't slide into the clutch. I've tried shimmying, shaking, turning the crank...
  4. John_piv

    WTB ZF-5 4X4

    Trying to find a ZF-5 4X4 for my 6.9 IDI. Prefer local pickup. I'm out of Sarasota, FL.
    • John_piv
    • Thread
    • 4x4 transmission zf5
    • Replies: 3
    • Forum: Wanted
  5. John_piv

    6.9 IDI moved forward almost an inch during motor mount replacement

    Hey y'all come put new motor mounts in my f250 recently because they nuked themselves. I'm dropping the engine back down and ran into a hell of a problem. The engine seems to have moved forward about an inch, so the trans mount and engine mounts won't mount in the correct location. I was hoping...
  6. John_piv

    '87 F250 | how am I supposed to do engine mounts?

    Hey y'all, had a motor mount grenade itself about a week ago and I'm trying to get new ones put in this weekend. I've got the four large bolts underneath through the cross member removed along with the two trans bolts that go through the crossmember. When trying to lift the engine with a crane...
  7. John_piv

    What size is the o-ring on the injection pump return valve?

    Hey y'all, I see tons of o-rings for the injectors, but none for the injection pump itself. The little valve on top of the pump that goes to the return line seems to be leaking. When I pulled it to add some Teflon tape, it turns out it's got an o-ring on it. What size is this o-ring? I can't...
  8. John_piv

    Hydro boost swap hoses | HB to steering box fitting?

    Hey y'all, I'm putting hydroboost on my 87 f250 with a 6.9 IDI. I ordered some power steering hoses from AutoZone for a 96 F350 with a PSD. The hose from the steering pump to the booster looks correct and fits in the booster, but the one going to the box has the wrong end. The hose has a female...
  9. John_piv

    Electric Vacuum pump vs Hydro-boost swap

    Hey y'all, Just had my third mechanical vacuum pump die on me, so I've decided to replace it with something else. I could go with the electric pump route, just plumbing into my existing lines; or run a hydro-boost setup. I've done a hydro-boost conversion before, albeit on an old bronco; but I...
  10. John_piv

    87 f250 fuse 15 blows when starting the truck

    Hey y'all, Been fighting an electrical problem with my 250 for the better part of a month. I put new injectors in my truck, went to fire it up, and saw smoke pouring from my solenoid. When I had put the glow plug relocator with my Banks kit back in, the two thick brown wires had just barely...
  11. John_piv

    '87 F250 | swapped stock water separator for 7.3 head and filter, water in fuel light intermittent

    Hey y'all, I deleted my '87 6.9 water separator due to an air intrusion problem. I've replaced it with a 7.3 filter head and water separator filter. I've only run it for about a hundred miles, and my water and fuel light is intermittent. I don't even think I have anything hooked up to find the...
  12. John_piv

    Plastic return line cap melted? How to prevent in the future.

    Hey y'all, I was bringing my truck into work this morning when I noticed a distinct burning smell. I was hoping it was the guy in front of me, but the smoke coming under my dash quelled that suspicion. I get her off the road, pop the hood, and fuel is gushing out of the driver side cylinder one...
  13. John_piv

    Sidewinder | Boost gauge woes

    Hey y'all. Threw a sidewinder kit on my '87 over the weekend and love it to death. Went up 2.5 flats and it feels like a totally different truck. While wrapping up the details I put in the pyrometer and boost gauge. The pyrometer works like a champ, the boost gauge doesn't read anything. First...
  14. John_piv

    Air intrusion | Replace the olives or replace steel lines

    Hey y'all, she's sucking' air... I've got a clear line on my return line coming from the injection pump and I see little bubbles as the trucks running. She idles fine, runs a little rough, but refuses to idle after running; that makes me think it's somewhere in the return lines. I'm steadily...
  15. John_piv

    Leaking injector return

    Hey y'all, my way into work this morning I was running WMO when the truck starred surging a bit. Switched it over to plain diesel and smelled diesel the whole way in to work. I pull in, pop the hood, and sure enough; the rear driver injector is soaking wet. (Wet injector and dry injector...
  16. John_piv

    Engine randomly accelerates, but only on rear tank

    Recently started running WMO in my 6.9 IDI. Truck ran like a top here for a while, but recently it started surging. I only put oil in the rear tank at about a 50/50 mix. While driving, the engine will randomly accelerate about 500 RPM before dropping back down, even on cruise. Switching to the...

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