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  1. Camp

    7.3 IDI excessive oil usage

    I didn't realize this thread had gotten all this mileage. I was getting emails when a new post went up, but haven't gotten any. Been meaning to update everyone. After the Seafoam soaking I put a quart of Marvel Mystery Oil in and ran it, then added another. Ran the truck hard. For a while it...
  2. Camp

    7.3 IDI excessive oil usage

    OK, now I get what the "likes" are for!
  3. Camp

    7.3 IDI excessive oil usage

    Copy that about running it hard. I haven't done that, yet. It's a little tricky as the first thing it's probably going to do is smoke like crazy - possibly worse than before - and I need a place I can do that without someone calling the fire department on me. I'll see what I can figure out...
  4. Camp

    7.3 IDI excessive oil usage

    Thanks, Nero. I'm game to try. Easier than a teardown.
  5. Camp

    7.3 IDI excessive oil usage

    By the way, I don't know how long these threads stay open, but I'll let you all know if anything I've done made progress after driving the truck some. Maybe this could be a helpful conversation to have on here if this amount of oil usage isn't that common which it doesn't seem to be.
  6. Camp

    7.3 IDI excessive oil usage

    Copy that.
  7. Camp

    7.3 IDI excessive oil usage

    By the way, am I supposed to be "liking" your comments? Does that help you out? I don't pay much attention to that stuff.
  8. Camp

    7.3 IDI excessive oil usage

    Thanks for all the suggestions and info. I've learned a lot since starting this post. Wound up rotating the crankshaft four different positions to get the pistons, 2 at a time, at BDC. Filled the cylinders with Seafoam and let it soak overnight. Drained the oil, refilled with Delo (yeah, the...
  9. Camp

    7.3 IDI excessive oil usage

    Kevin... when you said you've seen this before, have you ever seen this quantity of oil usage or anything close?
  10. Camp

    7.3 IDI excessive oil usage

    Goat... Neither had I. My local International engine guys said it would be the CDR as that's the usual suspect and will channel a lot of oil through the intake, but that's not what's happening here. I'm going with the stuck oil rings after doing more online research. I tried to think of any...
  11. Camp

    7.3 IDI excessive oil usage

    Easy enough to do. I'll give it a shot.
  12. Camp

    7.3 IDI excessive oil usage

    Copy that. Not expecting it to solve things. Be interested to know if anyone ever fixed this kind of oil usage with an additive. Pretty sure it'll take a teardown.
  13. Camp

    7.3 IDI excessive oil usage

    Copy that about the glazing, Nero. Shame to have to tear an otherwise good engine down just for rings, but, well, that's mechanicking for you.
  14. Camp

    7.3 IDI excessive oil usage

    Kevin 007.... Makes sense (except mine does smoke, but with that amount of oil going through, I'd expect that). And yeah, what's baffling is the engine runs smooth, never misses, sounds great, zero metal particles on the drain plug magnet, so it makes sense there may not be other severe...
  15. Camp

    7.3 IDI excessive oil usage

    Thanks for the input. Kansas IDI.... Yes, higher mileage, though odometer doesn't do hundreds of thousands, but it's been around. Sat for 10 years before I brought it back to life, but was using that amount of oil before. I've generally run Delo 400 15-40. In the warm weather I even tried...
  16. Camp

    7.3 IDI excessive oil usage

    My 1990 F-250 with a 7.3 IDI burns around 2 gallons of oil every 100 miles. No, that's not a misprint. CDR valve not the problem. 6 cylinders 400-460 compression, remaining two are 385 and 310 respectively ~ not adjacent, so not a head gasket issue. I know the 310 is outside the acceptable...
  17. Camp

    093 ATS turbo kit for sale

    Not sure what you meant, Jackson. The turbo at the top of the thread's still for sale or...... ? I'm looking for a wastegated kit for my '92 7.3.
  18. Camp

    Fuel Selector Valve Nightmare

    Got the FSV from Napa with the pigtail adaptor, but the nipples on the valve are barbed for hose-clamp type fuel line. The stock line on my truck is stiff plastic with clip-on fittings. Anyone know how to adapt the old line to the new FSV? Thanks.

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