Last sat. when we meet I ran I 90 to Elroy at 70mph got 40.000 then to your place and home 41.something I am always 40 and above unless I am over 70mph 45mpg is on a real good 2up slower ride day on back roads
just sinc my carbs so look out now
Your #2 is the answer so that nothing else but gas aproved hardware gets hooked to it,
most regulators, guages, ect that are for the gas world will have left hand threads