2-3 pumps into small joints, tie rod ends, u-joints, etc. 3-4 pumps into larger joints, ball joints, etc.
Oil is used in cooking, greasing and also we can use in engines.
No. You can use flared fittings with a flaring tool and soft copper pipe.
I would not use it, it is probably rancid.
Pretty much any fitting that will fit. Narural gas is naurally leak averae and wont leaak out of fittings, only pipes with holes.
Use fittings.
Not sure what you mean by pressure fittings. Threaded fittings for steel pipe are pressure fittings. Steel pipe with a 3/4" O.D. is known as 1/2" I.P.S. (Iron Pipe Size) pipe.
Unroll it and use as you would normal hard copper. Compression fittings or soldered fittings.
no
no you can not
yes
You do not need tape on any flared fitting, brake or regular. The brake line and the fittings are different size and thread type than regular copper line and fittings. You can't mix them.
dont use your car as much