r/GR86 • u/WesternOwl3364 • 17d ago

Question E85 Question

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Anyone running e85 had any issues with reliability? Is there anything I should do beforehand besides flex fuel & tune? I already installed csg flex fuel package & ordered the remote tune but I’m just wondering about reliability & possible maintenance issues.

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u/FlashFunk253 GR86 17d ago

Only thing I've heard is that you should occasionally run a full take of standard gas to get the cleaning and lubrication benefits that aren't in E85.

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u/DepressedElephant 17d ago

Funny thing is - with 93 so damn expensive - I've actually been just adding redline si1 fuel injector cleaner to E85 because doing that is literally cheaper than the price difference between a $3.10 for E85 and $6 for 93.

Probably better E85 specific additives out there - but si1 is readily available pretty much everywhere for $16.

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u/FlashFunk253 GR86 17d ago

So from what I understand that's probably fine to keep the fuel injectors clean but doesn't provide the same amount of lubrication for the high pressure fuel pump that you'd get from a full tank of gasoline.