Jim Posted May 17, 2012 Report Share Posted May 17, 2012 It might be different in other states, but in California 91 octane is dyed pale yellow, sort of like, well, you know. Ours has persisted for several months now, ever since we replaced the fuel lines. After a few days of sitting the fuel drains an iced tea color. Roger K. has bench tested this (see above) and he finds he can reproduce the discoloration with the conventional Gates fuel line, but not with the marine grade or the Gate Barricade. I'm beginning to think that the reason why we are not hearing more about this from other owners is because the dye color for this fuel outside of California is different. Can anyone verify? In Northern California our 91 Mogas is water-clear. Link to comment Share on other sites More sharing options...
round_peg Posted May 18, 2012 Report Share Posted May 18, 2012 In Northern California our 91 Mogas is water-clear. All of California has the same fuel, so that's puzzling. I am thinking that perhaps fuel dye colors are not standardized but are up to the refinery. Link to comment Share on other sites More sharing options...
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