in the days of my youth, 1940,s and 1950,s we used( ether ) that you buy at the auto supply or drug store,. and up north we had to use a blow torch on the oil pan to melt the oil, frozen solid,. just to turn the engine with a crank, now a days I think you can buy ether in a spray can,. whats in those little plastic bottles at the gas station you put in your tank if you have water in the gas,???ether I believe,.