Will it work for a 68 mustang 289 engine

by julio barrios
(tijuana baja california. mexico)

Will it work for a 68 mustang 289 engine.

and what is the spected save on gas.
another question is how come you dont offer to be fully used hidogen like other companies, is it becouse its really not posible.?
And will also like information about resellers , of course i will try it first on my car. Thank you.