"but the lower fuel cost of lp is what is pushing me towards gas. and the low maintenence costs of a gas engine are nice too"

???

You might want to re-examine this statement!!!

Special licensing??? Road tax??? Less than half the mileage on LP than that obtainable from gasoline???

As the youngsters say "Been there, done that, won't do it again!"

Jon.

Good carburetion is fuelish hot air
The most expensive carburetor you will ever buy, is the incorrect one you attempt to modify!!!