Make the last tank of fuel,100LL AV gas. Add enough so that the top of the tank is covered, but not all the way up the filler neck. 100LL Stores very well and wont stick the pumps and injectors. (any steel tank or steel fuel line car, should use non Ethanol fuel.)
If the cam is large, back off the rockers or cam, lube the cyl per above ATF or dino(non syn) oil.

Per mazda, fog the engine, add Anti freeze. Drain a gallon add a gallon.
Better, send the car to FL. and race all year.