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  1. JasonS

    Adding in-tank fuel pump to M818

    I have an M818 with NHC250, is there any reason not to install M35A2 fuel pumps into the M818 tanks? I realize that the opening in the tank needs to be enlarged but it seems that supplying pressurized fuel would be beneficial. I already have all the parts so cost is not an issue.
  2. JasonS

    DIY Injector Servicing

    I have found that most (at least all that I have encountered) injector issues are due to the pintle being stuck/ sticky. Freeing it up and cleaning it up has been sufficient to put it back in service. There are low cost injector pop testers on Amazon for less than $100 which work fine. My pop...
  3. JasonS

    Ring to pinion backlash question

    I purchased a deuce differential assembly with the intent of installing an ARB air locker, then swapping that with the one currently in the rear of my bobbed deuce. The ring to pinion backlash is ~0.020" versus the spec of 0.005" to 0.015". While there are shims that can be removed to move...
  4. JasonS

    Continental's CMD-350; a 350HP multifuel engine

    Continental developed a 350HP engine based on the 478 cubic inch "multifuel" engine. Some interesting features other than the power output: Variable compression ratio: a high of 17:1 and a low of 10:1 The BSFC was 0.380 lb/ hp*hr which is actually better than the LDS engine Still using the...
  5. JasonS

    Radiator Repair and Improvements

    I've had my radiator out a few times to re-solder the top of the fan shroud to the top tank. By chance, I was looking at a few spare radiators and noticed that those had much greater overlap between the top tank and shroud and therefore greater strength. I cut a new shroud with a jigsaw...
  6. JasonS

    Developing the "multifuel" into a tractor engine

    I found a paper authored by White Motor Corp which outlined what was done to convert the multifuel engine into a suitable tractor engine (D4800 and D4800T). You may find this interesting. The military engine was a set of compromises but the basic engine was successful Hercules, after building...
  7. JasonS

    OEM Spicer 3053 front bearing retainer with oil seal

    This is a military surplus front bearing retainer with a seal. Purchased from a surplus vendor; no, they don't have any more.
  8. JasonS

    Easier 24V to 12V trailer light converter

    A lot of the trailer light converters are unnecessarily complicated involving multiple relays, power from the battery, etc. This one can be done for low cost using three 5A 24V to 12V DC-DC converters. Your lights have a L, R, and tail. Each of these is fed into the 24V input of the DC-DC...
  9. JasonS

    Aftermarket VDO Gauges

    The speedometer (333-162) and tachometer (437-152) are both VDO Vision; the rest of the gauges are VDO Cockpit. If I could do it over again, I would have used all Vision series which has better lighting. The pics make it look a little harsh but it is not. The tachometer and speedometer are...
  10. JasonS

    Historical Interest: Lawsuit between Allis Chalmers and Continental over injection pump trade secrets

    Those of you who like to know the history behind the development of the multifuel and its progression should find the below interesting... Allis-Chalmers Mfg.v.Continental Aviation Eng. United States District Court, E.D. Michigan, S.DFeb 17, 1966 255 F. Supp. 645 (E.D. Mich. 1966) Summaries...
  11. JasonS

    Check valve to prevent oil filter and cooler drainback

    There was some mention made in this forum about the tractor version of the multifuel having a check valve to prevent the oil cooler and filters from draining out into the pan. Fast forward to 1:45 here to see how it is done: It looks like we would have to add a counterbore and tractor engine...
  12. JasonS

    Wide Variation in Rod Bolt Torque

    I replaced the 6 point rod bolts in an engine with the more modern 12 point and found that there is quite a wide variation in rod bolt torque specifications: TM9-2815-204-35 (LDS427-2): 800 lb*in, 66.67 lb*ft Troubleshooting the LDS465-1 Manual (1968): 1200 lb*in, 100 lb*ft Hercules Svc Manual...
  13. JasonS

    60A alternator overcharging test before replacing regulator

    Many have posted difficulty with their alternator overcharging and attributed this to the regulator. I encountered this recently (on alternator after alternator) and discovered that the fault was not with the alternator/ regulator. This alternator uses the excite wire as the voltage sense...
  14. JasonS

    Re-torquing the "new style" multifuel head gasket

    There have been a lot of posts indicating that the "new style" multifuel head gasket with built in fire rings is not to be re-torqued. This is inconsistent with the information in the White Motors service manual... White Motors (and Oliver) used a version of the military multifuel engine in...
  15. JasonS

    LD/LDT vs LDS Hydraulic heads

    I have wondered for quite awhile why there is a different hydraulic head on the LDS engines. I wasn't able to find any differences in the military or Bosch documentation. It wasn't clear why a different hydraulic head was specified for such a minor difference in horsepower. I have accumulated...
  16. JasonS

    Metal in transmission

    About a year ago, I drained the oil in my deuce transmission (very dark) and put 40wt in and magnets on the fill and drain plugs. Yesterday, while preparing for a 150 mile trip, I discovered that the fill plug magnet had quite a bit of metal glitter. I drained the oil and found the same amount...
  17. JasonS

    HF54 with ram assist

    See pics.
  18. JasonS

    5-ton power steering pump pressure

    Anybody know the relief valve setting/ maximum pump pressure on a 5-ton power steering pump?
  19. JasonS

    White D5000 musings

    I live two hours from my truck so, instead of actually working on my truck, about all I can do is accumulate parts or do research. I picked up a copy of the 1981 engine technical manual for the White D5000 which is the engine used in the 2-155 farm tractors (among other industrial...
  20. JasonS

    Cold start capability vs overfueling with FDC bypassed

    I have been operating with the FDC bypassed for a couple of years and decided to turn the fuel down so that I didn't have to keep an eye on the pyro all the time. I turned it down 12 flat as listed here to put the fuel back at a stock setting. Would not start. Turned the fuel up until I the...
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