synthetic brake fluid will NOT boil that's a good thing. I have a Jeep J10, Ive converted it to run on propane, use all synthetic fluids (eng. oil, power steering fluid, brake fluid, auto transmission and transfer case, and both axles, to include synthetic grease in the wheel bearings.) So theoretically Im not using any fossil fuels or oil. I use it mostly off road although it is licensed & insured.
My Ranger will get about the same treatment. synthetics where I can use them, wont do the propane thing though.
04 Ford Ranger Edge
3.0 V6 Auto SuperChips Programer
air box and blinker mods