If anyone here has drawings of mazda rotary housings and rotors I would be super keen to get a copy! not having much fun with the trochoidal curve thingys..
Someone up there will surely have some ISO 46 hydraulic oil lying around. for a Jack the difference will be negligible. any engineering workshop or earthmoving crowd should have loads and would probably be happy to sell you a litre for stuff all
Compressor Oil!
Depending on what type of compressor it is dictates what type of oil you need. I carry ISO 68 compressor oil (which covers most common compressors) in 4L packs at my place if you need some
The Toyo Proxes 4's on my 1600 lasted 3 years with an SR up front, unless you're doing skids or the toe is really bad you should still get ok tyre wear