Wow, thanks for all of the great input, guys. As they say in Latin America, es muy complicado.
I'll let you know how it all works out when I try the shorter hose and the rollover valve.
Much appreciated.
(By the way, my gas cap is a non-vented marine one, if that makes any difference…)
Last edited by Waves2275; 05/31/2014 1:13 PM.