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  1. 74M35A2

    8.3 cummins internals ?

    8.3 is good for 3400rpm minimum (marine app). Military spec governor pulls fuel rack back at 2200rpm. Looks like it dropped a valve? I run my 925a2 @ 67mph for hours on end. Same power/drive train. Love carnage pics!
  2. 74M35A2

    8.3 cummins internals ?

    Cummins is headquartered in the US. Over 55% of their market is outside the US. They source castings and parts from all corners of the world. They are truly a global company. It is common for people to place China and Japan in the same category of quality, but the opposite is actually the...
  3. 74M35A2

    NHC 250 Turbo Conversion in M923

    Pop-Rocks in the fuel tank provides for some good entertainment. Love the You Tube commenter that said "That was knarly, do it again!".
  4. 74M35A2

    NHC 250 Turbo Conversion in M923

    That's good enough reason right there! Anything with a spooling turbo sounds like it is going to rip the guts out of whatever it is hooked to. 300F is a fabulous drop, that sounds like in increase in reliability to me... It will help to prevent this (advance to 2:03 for the fabulously funny...
  5. 74M35A2

    M923 NHC250 Ether Pressure Switch

    Is the pump OK with this not present? Is there a lever inside that pushes on the switch, or is it simply a fluid pressure? If a mechanical push, I'd ask around about it more. If a fluid pressure switch, I would just plug it. Well, actually, I live in MI and would replace the switch. We get...
  6. 74M35A2

    Transmission options

    Stuff a Road Ranger under there, and then we'll know it is possible and can follow suit. I don't think anybody here has done it yet. Real vehicles have 3 pedals, so I say do it and report back.
  7. 74M35A2

    What have you done to your 5 ton this week?

    New Carter brand lift pump on eBay is $25 and free shipping. They do sell the primer button cover separate, but at that price, I changed my entire pump. Gravy job. Bolt pattern seems almost same as a Chevy 350. Did you crack open an air bleed after the pump when priming? There is a...
  8. 74M35A2

    NHC250 sitting over 20years...how to go about starting?

    Did they keep the headlights? Love the part where the gauge falls down inside in the dash opening when the camera comes around. Wish I was there, it's a riot to crank up old treasures. I hit the starter for 1/2 a second on an old Detroit Diesel 6-71 to see if it was locked up, and it started...
  9. 74M35A2

    NHC250 sitting over 20years...how to go about starting?

    You can also build a simple pre-lube device from a small Freon tank, and a couple of air fittings/valves. Fill jug 50% with oil, pressurize it, flip it over, connect it to the oil sender port, then open the valve. Air pressure will push the oil into the engine.
  10. 74M35A2

    Preference of Dialight vs Grote Front LED Signals

    Grote on left. Dialight on right.
  11. 74M35A2

    Preference of Dialight vs Grote Front LED Signals

    Thanks guys. I will after lunch today, stay tuned. I will likely just power them up in both day and night on the bench and make a decision.
  12. 74M35A2

    Dialight bs Grote Front LED Indicator Signals

    Input appreciated for anybody that has experience. Thanks: http://www.steelsoldiers.com/showthread.php?144576-Preference-of-Dialight-vs-Grote-Front-LED-Signals&p=1767191#post1767191
  13. 74M35A2

    Preference of Dialight vs Grote Front LED Signals

    Seeking opinions of Dialight vs Grote front LED indicator lights. I have both, and want to upgrade my 925 with them in place of the conventional bulb signals, but there appears to be a somewhat significant difference between the appearance of the two. For example, the Dialight seems to have a...
  14. 74M35A2

    Problem after over Voltage,Who can help?

    The over-volt likely damaged the ABS module or fuse. The yellow light is for ABS fault. Engine function is likely unaffected.
  15. 74M35A2

    What have you done to your 5 ton this week?

    Yep. Pics or it didn't happen.
  16. 74M35A2

    Pyrometers

    GR, are you still looking for K type thermocouples? I have some I can send to you. Diameter of them affects their response time if that is important to you. I'm guessing 7 years later you may have them by now though!
  17. 74M35A2

    What have you done to your 5 ton this week?

    Measured output of the stock alternator: http://www.steelsoldiers.com/showthread.php?144500-Performance-Output-Measurements-of-Stock-60A-Alternator
  18. 74M35A2

    Alternator Output Results

    Correct. That will be the maximum output at it's maximum rated temperature.
  19. 74M35A2

    Alternator Output Results

    Just ran some tests on the stock 60A alternator on my 5 ton M925A2. Not sure, but I think your group runs this same alternator, and if so I hope this data can be useful: http://www.steelsoldiers.com/showthread.php?144500-Performance-Output-Measurements-of-Stock-60A-Alternator&p=1766374#post1766374
  20. 74M35A2

    Performance Output Measurements of Stock 60A Alternator

    Brought home a DC load bank and clamp on DC ammeter this weekend to measure the output of a stock military 60A alternator. Ambient air was 47F, and the measurements were done with the engine and alternator cold. Output will be lower as alternator warms. Measurements were done with calibrated...
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