when i lived in Tn i chop topped a vw bus and put hydraulics on for a guy
needless to say kind strange but everyone loved it but i'm sure this is not what your going for but i bet you'd be interested in having me convert it to run on
liquid propane they've been my pet side projects lately i pay 10 dollars give or take to have 10.5 gallon forklift tanks filled and get 150-200 miles with a v8
so i can imagine that 4 cyl. doubling that easy