Really, without modern tools, it’s going to be nigh-impossible to maintain, and even distilling alcohol to refuel it would be beyond my abilities. I figure I’ll try to get it buried in a tomb to troll future archaeologists.
Yup. Distillation is 2500 years in the future. Beer is mealy, thick, and 3% abv at most–more chewy than chuggy.
The process and equipment of distillation would be 1000x more valuable than a modern vehicle. We’d all be typing these posts in hieroglyphics, citizens or subjects of the world’s longest reigning civilization by far.
I’m with Atakapa. The Jeep, while an excellent demonstration of the technology of our time, would be limited in usefulness. Sooner or later (probably sooner) it would be inoperable without modern tools or fuel. It would be enough to get you in the door at the pharaohs palace and for them to take you seriously, but I think my knowledge would serve me better in the long run than the car.
I would be light-years ahead of the best doctor of the time (“Gather up your old bread and citrus fruits! We’re making penicillin! Oh, and wash your hands. And germs cause disease”). I could amaze their best mathematicians and engineers with my insights (pi R squared! A squared + B squared = C squared! The speed of light is constant, but time can slow down! Check out this awesome wheel I made! And this pulley!) And my Wheresmymind Whiskey Company would make me the richest, most popular man in the whole Mediterranean region (“Bring me your shittiest beer, and I shall distill it into the most intoxicating beverage you can imagine! Fill these amphorae, they’re bound for Greece and Phoenicia!” Even my limited knowledge of metallurgy would be ahead of it’s time (“Don’t waste your time with these copper alloys! Find yourself some rusty-looking minerals, crush them up in a furnace with some charcoal, and start playing with iron! Oh and try to carefully modulate how much carbon gets into it, you might figure out how to make steel!”).
Assuming I could convince the Pharaoh to not kill me I would be the most valuable man in Egypt. I have no idea how I’d handle the political problems (king getting jealous of my “powers,” or members of his entourage resenting how much attention I was getting) but assuming I was alive 10 years later, the Jeep would probably be a footnote in my history.
Assuming fully loaded means a decent set of spare parts, tools, and manuals, and the jeep has a diesel engine, I reckon I could keep it going. Assuming also I had a map of Libyan oil reserves, I’d point Pharaoh in that direction - Saudi is too close to the nations of the Fertile Crescent.
But even without the jeep I could make myself useful as a teacher: numbers, arithmetic, stirrups, distillation, geography, iron, and ever so much more.
General threats and Mediterranean geopolitical events, depending on the current time period. If pre-Ptolemaic dynasty, you can warn them of the future invasion by Alexander the Great. If the Ptolemies are in power, to either prepare for a war or alliance with the Roman Empire. If the Romans are around yet, I’d try to get to Rome through any means possible. If not, I’d try to use my current medical skills (EMT working on a nursing degree) to make myself useful, starting with his military, if possible. Vaccinating the soldiers and nobility against smallpox, CPR, introducing battlefield triage and attaching medics to units, instrument sterilization and camp sanitation, treating scurvy, etc. One could also try to manufacture heroin and other poppy derived drugs. If you’ve got some powerful men addicted to it, you could add an extra layer of insurance to your personal safety due to being their sole supplier.
I’d also try to experiment with primitive napalm and flamethrowers using naphtha from above-ground oil deposits, as well as movable type. That last one might create animosity between me and the scribes, though. Hmmm…perhaps I should start carrying packets of potato, sugarcane, and peanut plants in my jeep. 