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  1. NormB

    can a 60 amp Alternator be swapped out with a 200 Amp Alternator without any mods?

    Here: courtesy of Juan Prado: https://www.steelsoldiers.com/showthread.php?163769-Military-Wire-ID-tag-master-code-list
  2. NormB

    can a 60 amp Alternator be swapped out with a 200 Amp Alternator without any mods?

    Her,: courtesy of Juan Prado: https://www.steelsoldiers.com/showthread.php?163769-Military-Wire-ID-tag-master-code-list
  3. NormB

    can a 60 amp Alternator be swapped out with a 200 Amp Alternator without any mods?

    Thats what the TN says and those are the step i did. But i don't get voltage from the 5A output alternator wire. Question Can someone tell me what the 2A and 568 wires are for or where do that go? Somewhere in this site's bowels (can I say that on this board?) there exists a LIST of common...
  4. NormB

    high flow thermostat

    Think this would fit a 6.2?
  5. NormB

    Eastern Missouri Member New to MV's

    Welcome from Maryland (soon to be Tennessee). Post pics when you can. Enjoy.
  6. NormB

    Anybody seen a Aquatune for Diesel?

    Many years ago my brothers and I sat down with a JC Whitney catalog and added up all the gas saving/increased power/mpg features of all the water-injection, high-flow air filters, micro-atomizer screens for carburetors, hotter spark gadgets, all the rest, you could run a Camaro for a year on one...
  7. NormB

    Planning on buying a M998

    Read EVERY post in the “what did you do to your HMMWV today?” Hold out for a 6.5L GEP engine. If you have no intention of cruising on the interstate, the venerable TH300 turbo 3 speed is good enough, IF it’s running through a 242 model transfer case. There’s more, much more, but read the...
  8. NormB

    can a 60 amp Alternator be swapped out with a 200 Amp Alternator without any mods?

    Alternator should be putting out north of 24 volts. Could be alternator, regulator, PCB would be last on my list of concerns. Go back to the troubleshooting section on testing alternaotr, but clean up your connections/terminals first, check grounds. I’d connect the alternator housing - ground...
  9. NormB

    can a 60 amp Alternator be swapped out with a 200 Amp Alternator without any mods?

    Um, not really. There’s a kit, #57K3520 that supplies all the parts you’ll need for the alternator update. It uses a different bracket, LONG bolt, much heavier duty cable to the + (pos) stud in the battery box, and more. I’m in the throes of getting mine installed, just painted the power...
  10. NormB

    New guy

    Welcome from socialist occupied Maryland. Appreciate your candor. How many years sober? Welcome to the madness. Norm
  11. NormB

    6.5L engine August 2000 mfr - questions

    Well, poked around a bit, got a line on a “kit engine” meaning clean, all parts ready for easy assembly. Cheap. Engine block # 12555506, date cole H020 (Aug 02, 2000). So far as I can tell this is far beyond the cracking blocks/bolt hole problems, don’t know about the heads. Doubt they’re...
  12. NormB

    What have you done to your HMMWV today/lately

    Some of you might find this interesting follow on to my post about breaking my truck. I did some work with lighting and mirrors and a dewalt electric drill with a left-hand drill to get that broken stud out. I’d loosened one of the header bolts and I could turn it with thumb and index finger...
  13. NormB

    Two 6.2s much different performance.

    did a websearch for “HMMWV AND EGT” Several useful links. Might’ve answered a few of my questions with this article: https://www.flashoffroad.com/Accessories/Gauges/EGT_Boost/EGT.htm And this: https://www.steelsoldiers.com/showthread.php?170442-Max-egt-s-on-nhc250 aluminum melting...
  14. NormB

    Two 6.2s much different performance.

    Been following this thread for a bit now... Does anyone have GOOD, solid, data on what range of EGTs (and measured from what point in the exhaust system) are NORMAL for stock/OEM 6.2L DT, NA, TD engines and, likewise for the same of 6.5L series engines AS ISSUED TO MILITARY use. Seems to me...
  15. NormB

    HMMWV Glow Plug Gospel

    Last spring I bought a 45 degree silicone pipe connector with a 3" ID to match the exhaust pipe, THREE lengths of the press-together gas water heater chimney pipe at home depot and one of those connectors that allow you to make any bend in the pipe up to 45 degrees. Connections go like this...
  16. NormB

    HMMWV Glow Plug Gospel

    Even though I have a battery disconnect switch, if I do something electrical more than, say, changing a headlight, I actually disconnect a battery TERMINAL. Not paranoid, switches fail.
  17. NormB

    What have you done to your HMMWV today/lately

    Broke my truck. In preparation for installing the 200A alternator I’ve had for 2 years, I pulled the 60A alternator, bracket, powersteering pump (also going to change out, made all kinds of racket last time I used it just to reel in a new cable, overheated, seemed like a good idea to replace)...
  18. NormB

    Spare 6.2L engine question

    Thanks for responding, I was waiting for you to dive in (seemed like a question that would pique your interest). Looking like 6.5 GEP is the way to go "for a spare" and yes, to other posters, I do expect, no, anticipate, this engine won't last forever. I don't have "spares" for my other...
  19. NormB

    Spare 6.2L engine question

    Well, it's not a "bolt-in". There's a wiring harness to think of, that's about another $250 to $750 investment and it's got to be the right one to match the year/model M998. For parts availability, relative "ease" of replacement (no wiring harness issues mainly), and price - no one's giving...
  20. NormB

    Spare 6.2L engine question

    Got an offer from a friend for a 1983 6.2L civilian Blazer/GM motor with about 47k miles on it. Was on a plow truck and salt/rust has killed the truck so he's parting it out. He's got the engine set up for a serpentine belt drive, new 12V civ. alternator, water pump, fan/etc, all of which I'd...
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