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Vail ay? If you wanna go camping, come out to the Grand Mesa. There's some nice driving trails too.
go to a 120amp? or higher? 24v commercial truck alt and a 24v to 12v converter tagged in to run your 12v systems. There is a couple threads in here on this.
Replace all 4 with 2. AGMs demand nearly double the current from the alt That wet cells call for. And the original 4 wett cells were already too much for the dual volt alt. It is basically a pair of 50A alts. 4 of the 6T wet cell batts are looking for 60A, 4 of the 6t batts in AGM are looking fir 108A the truck lights pull ~30A all by themselves which really starves the 12v batts which is usually where the problems start as the batts have trouble reaching full charge(biggest killer of batts). This keeps the alt in constant overload and kills it also…
DONT DO THAT! AGM's are capable of pulling a LOT more charging amps. The switch to AGM's was part of the problem the military had with the later 100A trucks. The 100A alternator was really too small for the 6TL wet cell battery bank, and AGM's just make this MUCH worse. The 100A was not designed with this in mind. In fact I'm not sure what was on S&S's mind when they chose that unit other than being cheap and not really understanding the way these vehicles get used in the military (lots of sitting, dead batts, and abused by soldiers that don't have to foot the bill to fix their mistakes). It's a really bad choice for these trucks. As Ronmar likes to say - it's the kind of choice that class action lawsuits are made for in the civilian world. The military just threw more money at the problem by trying to attach useless solar chargers to the trucks and eventually gave up on the 100A in disgust - the 6TAGM's chew these alternators up.
Yes
. I was kinda obsessed with the pad mount config alternative lol. It's appeals to my sense of symmetry. Mine is now a 24v only 110a high output alt from delco, COTs and cheap. We'll see how it holds up. (Denso makes one too but I'm still trying to find the part number that matches the bolt configuration.). I only have 2 batts for the 24v and the victrons Power the 12v side from 24v ignition after a delay. There is no center 12v tap from the series batteries. I keep the plug charged overnight too. I kept a 3rd battery to backup the 12vbatt bus. I have no LBCD or disconnect relay. Been working great. The poor chassis ground cables were a huge problem obviously. I'm about to install a dc chopper drive on the AIH to drop its power draw to <70amps to ease the load at startup. I'll update that on the other thread. Pretty cool. This truck, as stock, has waaayyy too much load at cold startup for a 100a alt. So I tried to unload the alt as much as possible. The 220a leece alt is the biggest non-neihoff I've seen around but really expensive. I could always go back to the neihoff but they are expensive as are the regulators. 
That's pretty good. At least It's better than being labeled a "cheap bastard".I was once accused of being a cheap SOB(very politely) on this forum for advocating a switch from the "military proven" 4 batteries, to only two "undersized" group 31s...
This is one of those rare occasions that come along in life, where doing the right thing actually costs less money...
