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  1. R

    Front to Rear weight ratio of M1078.

    I have a m1079 let me look at my door panels which are off in the back of my garage, to see if I have the weight and balance placard... IMO your goal should be near a 50/50 axle weight distribution on a 4x4 for a couple reasons. 1. Tire wear with CTIS. It applys 1 pressure to both axles...
  2. R

    ECO Hubs Who needs 3:07 gears?

    But it is like the pencil rolling on the table. You can attach it to your hand, but you must also disconnect it from the table(inner gear). There is an inner gear, the spider gears and an outer gear. The inner gear has splines and is slid onto splines on the main spindle that the wheel...
  3. R

    ECO Hubs Who needs 3:07 gears?

    Yes the axle is splined to the outer gear, the outer gear rolls the spider gears that roll on the inner gear that is fixed to the hollow spindle. take a pencil and lay it on the table. Place your fingertips on the pencil and roll it across the table with your fingers and palm of your hand...
  4. R

    LMTV FMTV Exhaust Brake Questions?

    This right here. Mine is a 98 with the WTEC 2…
  5. R

    LMTV FMTV Exhaust Brake Questions?

    And his was the A0 with a WTEC 3 that was already configured for the ex brake…
  6. R

    ECO Hubs Who needs 3:07 gears?

    That would be a fairly complex mechanism creating 2 simultaneous operations(couple A, while uncoupling B), all inside a hub casing that is already full of gears. You of course are more than welcome to build a better mousetrap, but i am not seeing anyone clamoring to rip out the Ecos and put...
  7. R

    ECO Hubs Off Road on our M1078A1

    The sidewall bulge really shows the lack of weight in the back. With different axle weights, the same applied tire pressure yields very different tire footprints/tire bulge. Balance Grasshopper…:)
  8. R

    Missing Link (a leaf spring shackle providing more articluation)

    To articulate more in the rear, we would also need a rear swaybar disconnect, as that inhibits the axle from following the terrain...
  9. R

    ECO Hubs Off Road on our M1078A1

    Yea even my piddly little 3116 should be able to schlep 20K up ~41 deg... Again, available traction notwithstanding...
  10. R

    ECO Hubs Off Road on our M1078A1

    Probably not towing anything, but the math says still plenty capable... A 1078 with 5K onboard would weigh in around 21,500#? With Ecos(3.9:1), a 3126B @~800ft/lb, at peak torque, should be able to deliver ~17,000# of thrust from the tires. It should be able to pull 24,000# up ~45degrees of...
  11. R

    ECO Hubs Off Road on our M1078A1

    This is an automatic transmission. Under those type downhill situations, it is ALL braking as the engine offers NO braking force. The crawl ratios also do not really apply to automatic transmissions as under low speed conditions, we are not hard coupled to the transmission. Ours are only hard...
  12. R

    1078 Alternator question

    The headlight symbol is for high beam. The power from CB70 goes thru the light switch to power K7/headlight relay when you turn on the light switch To service drive. Since the ignition and headlight switch use CB70 power, and the truck starts and runs, your source power is OK. If K7 should...
  13. R

    LMTV FMTV Exhaust Brake Questions?

    It does not, but it can. The issue is on the earlier A0 with the WTEC 2 transmission, the transmission auxiliary function used for ex brake is already assigned/wired and most likely the TCU is programmed for PTO function. I have not confirmed that PTO programming on mine, but I have confirmed...
  14. R

    1078 Alternator question

    I would make dropping to two batts step 1, you can do it today, lift the leads off of a front(toward front of truck) or rear pair of battery posts and insulate them... The LBCD controls the charging system warning light. This function could be recreated with an off the shelf voltage sense...
  15. R

    1078 Alternator question

    Geo is right, a 24v charger will not charge equally pulling 12 out of the middle. But it will work ok for a short time to get you home. A pair of 12s would work better as long as they are not grounded/ground referenced(metal cases/3prong AC plugs) plastic cased chargers with 2 prong...
  16. R

    1078 Alternator question

    When Neihoff lists only one current spec, it was the combined total. Where they list two currents that is where they have altered the construction so one side is carrying significamtly more than 50% of the total current. The 1505 lists 100/40 for 28/14v like you mentioned, but we dont use the...
  17. R

    1078 Alternator question

    It doesn’t even do that. It is 100A total!,, about 60A@12 and 40A@24 max… Thats why a straight 100A delivers 25-30% more power than this 60/40 abomination…
  18. R

    1078 Alternator question

    This right here! The amount you will spend on a Neihoff reg or any other repairs you might need will put you a long way along the road to a commercially available 24V alt and 24-12 converter… one real killer of the capability of the 100A dual volt is pulling half the power out of that first...
  19. R

    1078 Alternator question

    I would be curious what you see at the 28v output terminal. The reg regulates the field based on the 28v output. That rotating field excites 2 series wired 14v windings to create a 28v output. It creates the 14V from the first winding like a switching power supply using SCRs instead of diodes...
  20. R

    CTIS Question

    Yep, they tried to make it soldier proof:)
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