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  1. J

    Injector nozzle diameter

    You most likely woln't be able to get a good view of the cylinder walls - the injector and glow plug holes both open into the prechamber cup which is connected to the cylinder proper by a very small opening. Even if you can get a scope though the prechamber throat, you'll have some difficulty I...
  2. J

    She's Home!

    Not hard, but it's a bit of a pain - switch is on the top of the steering column under the dash. @ nuts hold it to the steering column. If it's hard to turn though that may mean the linkage is sticky and it's not the switch. I'd get a new switch, is cheap, and then try turning the key with the...
  3. J

    To all whom own a Bull Moose

    I'm running one on my rig. 6.9 idi. No major upgrades, head studs, 0.015" decked and ceramic coated pistons. HX35 turbo w/ intercooler, max ~19 psi boost. Seems to be a good combination. It will definitely smoke if you get into it too fast, but once the boost comes up it seems well matched. I'd...
  4. J

    Block Drain Petcocks

    98% sure it's 1/4 NPT I'd just get a pair of new hex head plugs (not the common square head ones) and put those in. As much as they're used, putting valves in isn't worth the cost/effort and it's not much easier to open a valve than pulling a plug out. Chances are decent a petcock will get...
  5. J

    She's Home!

    Make sure it's in park. Passenger fender is the starter relay just aft of the battery. Remove the small wire (push on black 90* connector, easy to do), and jumper that terminal to +12 - should turn over. If that works either the park/neutral switch or the key switch is bad/out of adjustment...
  6. J

    She's Home!

    Mileage? Do not understand what you're asking...
  7. J

    She's Home!

    Probably not too bad. That's basically a 3/4 ton rig, 8600 gvw if I looked up the right one. Truck + trailer is probably ~8k, maybe 9. I'd guess ~1500 lb on the ball, probably 7500-8k gvw on the sub. Maybe a touch light on the front end but not unsafe. Perspective in the pic makes it looks worse...
  8. J

    Turbo my flatbed.

    No need to change the injectors unless yours are already worn out. The injectors on mechanical injection pump rig like this are essentially just nozzles - they have little impact on the overall fuel flow, so there's no need to change them. Unit metering systems like the PSD the injectors have a...
  9. J

    So, i got into an accident today...

    I would also want to very carefully check the steering arms and tie rods - probably worth just replacing all the tie rods. From the damage to the box, the force from the hit was taken at either the front or rear of the tire and was then transferred through the steering linkage. I would not...
  10. J

    Wanted: D44 Center, 4:10

    Looking for a TTB D44HD center section w/ 4.10 gears. Reasonably close to the bay area would be preferred. May also be interested in a 4.10 D70 rear/gears if they're in good shape. May be able to swap for a 3.55 D44HD center/10.25 rear, though it will be a while until I get the 3.55 stuff...
  11. J

    Adding ABS Sensor to D44HD

    Yah, wiring is easy. It's got a good sized chunk missing at one or the other end of the tooth - basically 1/4 or so of the surface is missing. There's also some evidence of pitting on the faces that I looked at and the backlash feels much too loose. It was driving fine when it was pulled, so...
  12. J

    Adding ABS Sensor to D44HD

    Well, looks like you were right. Testing at ~30 mp I had ~650 hz off the VSS and ~65 hz off the PSOM - looks like a simple 1:10 divider, and 65 hz @ 30 mph is consistent with ~8,000 pulses/mile. I have a multimeter with a frequency setting. Not a fluke but good quality and something like...
  13. J

    Adding ABS Sensor to D44HD

    I don't know at the moment, but it seems unlikely to me. Changing the frequency of the signal seems like a more difficult solution then simply alerting the coding of the ECM - I'd expect it would be fairly easy to change the software in the ECM to divide that input signal by a factor of 10 or...
  14. J

    So, i got into an accident today...

    Checking the book again, E150-350 does show the same part number, ranger/bronco-II does not. I cannot find a clear indication of what the difference is, however I would expect there could be some difference between the boxes for a 12,000 gvw truck and a 4,00 gvw one. Also worth noting that...
  15. J

    Adding ABS Sensor to D44HD

    It's not the signal form that I'm concerned about it's the frequency. The owners manual gives ~25 mph as the lower limit for cruise, which I take to mean that the system is programmed to have a minimum VSS input freq to activate. I'd expect there's also an upper limit if not programmed than...
  16. J

    Several questions,,,

    3.5 exhaust is fine, no need to go bigger. Sounds like you may just have too much fuel for the turbo setup you have. Could be a tired turbo or just the that the older non wg turbos don't build that much boost depending on how they're setup, age, etc. These aren't like the new rigs that will...
  17. J

    Turbo my flatbed.

    It's worth remembering that there's a reason IH derated the medium duty truck engines in RPM & power - they run under a much heavier load duty cycle than most pickup engines. While extra power and rpm may help with drivability, I would want to be much more cautious driving the truck with that...
  18. J

    So, i got into an accident today...

    My parts book appears to show that F150-350 & full size bronco all share the same PS box, though it is a 85 book, so it may have changed in later years.
  19. J

    Brake Booster Size

    The smaller diameter one may be correct - from what I can tell there is a larger single diaphragm used on the lighter trucks and a slightly smaller diameter double diaphragm unit used on the heavier ones. If what you have works just get another one of those.
  20. J

    Turbo my flatbed.

    Wouldn't mess with a low mount, I'd say you should have plenty of room in there to mount the turbo high enough to drain. Wouldn't think it would be too hard to fab up some exhaust piping and then just pick a spot that looks good for the turbo. Could even do a parallel twin setup with one on each...
  21. J

    Adding ABS Sensor to D44HD

    I'm using a 92+ electronic cruise setup which uses the PSOM and the VSS for a speed signal, and I also have an electronic Isspro speedo that needs an input signal. The speedo is programmable and would probably work fine off the trans sensor, but I expect the PSOM is different. I suspect the...
  22. J

    Adding ABS Sensor to D44HD

    Ya know, I hadn't really though about that, and I even have a van D60.... Will it fit though? I'd expect since the ring gear is different sized the tone ring would be as well, and the bolt pattern on the carrier would also be different. Doing that would also involve figuring out how to...
  23. J

    Adding ABS Sensor to D44HD

    Because I can. :rotflmao Current axle is a 10.25 3.55 open. I have a good low mileage D70 LS 4.10 unit sitting around. I have concerns about the condition of the 10.25, and would be happier knowing I have a solid rear end. Also want the limited slip and smooth housing of the D70 for off road...
  24. J

    Adding ABS Sensor to D44HD

    What's involved in converting the earlier D44HD w/o ABS to have the front ABS sensor used on the 92+ rigs? Is the sensor mount machined into the knuckle or is it a separate piece? Tone ring looks like it's part of the hub, so that should be simple, just swap hubs. Any differences in bearings...
  25. J

    Beating a dead horse (turbo question)

    I believe the piping will fit. Big difference between the auto & manual setups is that the manual bell housing comes out horizontally about 3/4" from back of the engine and then curves down, whereas the automatic has an immediate curve. This gives about 1/2-3/4" more space between the floor pan...

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