You've got a cool rig and a well deserved retirement gift to yourself. I'm finally to a point where I have some bandwidth to upgrade my LC so I appreciate you sharing all your upgrades and videos.
I'm in a similar situation with both batteries dead in my 93. From my research so far the biggest factors for buying new batteries are that your Cold Cranking Amps (CCA) should match or exceed what you currently have installed (likely 650 CCA at least). The second factor is battery dimensions...
More data, I went to a mechanic who comes highly recommended here in Vegas from a buddy of mine. Turns out one of this guy's mechanics used to work on LCs back in his home country. He quickly identified that there is fluid leaking from the head to engine block surface where the gasket would be...
Nice ride! I'm not sure about what adjustments you can do but I saw a significant increase in power and performance when I had my fuel system cleaned and changed the fuel filter.
I imported a 1993 LJ78 from Japan and would also appreciate a thermostat part number verification if you'd be so kind. I have a few Japanese websites saved that I'm looking part numbers up on and the one I've found for my LC is PN: 90916-03062 (88-100, is that the 88 previously mentioned?) found...
Maintenance manuals can be accessed through Military One Source to access DOD MWR Digital Library using your ID number and other personal info for active duty military (verified) and retired military (unverified). I saw manuals on there for 1993-1996 LC's last time I checked. There are other...