Lift her slowly on a suitable jack and use blocks mate.
Old railway sleepers (check not rotten....seen that a few time!!) chainsaw to length/size required!
1 rail sleeper is about £15.00 here and you can get 3 large blocks from one of them, cheaper than good heavy duty stand!
If up in air for prolonged period you can alsi `TIE` them together with steel straps with holes in to put screws thru!
And dont stick ur daft head under til its secure!
