According to a 1992 Skystar Service Letter #22, I understand NO FILTERS have been recommended in fuel lines from fuel tanks to header tank. Also according to this Skystar Service Letter, FUEL SHUTOFF VALVES are not recommended either. Has anything changed since then? So far, I have eliminated the fuel filters however I am reluctant to take out the individual fuel tank shutoff valves if I don't need to. I also am considering upsizing my supply lines from 5/16 to 3/8 to improve fuel flow. *My setup is on a Vixen Model 5 which I think is the same or similar to the current Model 7.

Any info or options are appreciated.

Skot