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I've had 5 gallons of C16 for over a year and didn't put any fuel stabilizer in it or anything. Any chance I can cut this with new fuel and still use it? Just wondering if it's any good or should I just toss it (lawn mower use etc). Thanks

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run it

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Race gas already has stabilzers in it, run it. I've stored cars and small engines with it for 20+ years now.

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what would you expect from a company that sells fuel? fyi the "lighter" elements don't necessarily carry a high octane rating, working in a refinery for 15 years you do learn a couple things. imho if you had a engine detonating on Maximal (116 Octane) that was only nine months old and new fuel corrected that there were other considerations going on. iirc the TEL they put in race fuels has a great impact on octane doesn't have a high vapor pressure. not that fuel doesn't degrade over time but i've used race fuel that's two years old with no noticeable issues and he's talking about cutting it as well. i wouldn't do it on a prostocker but imho for most applications it's a non issue.

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They don't put a "use before" date on the can and they don't say to throw it out -they are just making a recommendation. They could also say something like "buy as much as you can-it will never go bad". That might be good for sales, no? I never worked in a refinery and I am no chemist and respect your opinion, just relaying personal info, that's all. If you really want to see fuel degrade,though, try using old Q16 . I did miss the part that the OP mentioned that he would be cutting it. That would mitigate the circumstances.

MB

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wouldnt this matter from what type pf container used and geograpic location/ yearly climate of where you live.

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wouldnt this matter from what type pf container used and geograpic location/ yearly climate of where you live.

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yes, many race fuels are photosensitive (UV rays from sunlight degrade them) so keeping them in a dark, cool, dry area is best. i used to be able to get a drum (steel) directly from the refinery being i was an employee but they won't do it anymore. the last drum i brought was in a poly drum which i don't particularly care for. it's probably no issue with methanol but for gasoline i very much prefer a steel drum. methanol is hygroscopic which means it will absorb moisture right out of the air so it's very important to keep alky sealed up tight.

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Except storing fuel in plastic drums. Too much vapor escapes through plastic,imo.

Wow, I din't think plastic 55 gal drums were legal for fuel storage. Do the plastic drums have DOT and a number molded into them?

All the plastic drums I've looked at over the years were not DOT legal for flamable liquids.

IMO plastic is the worst large storage container for race gas, big myth about rust. Keeping it in a cool dry place is the key, to keeping moisture out, hence rust. It's not OK sitting out on the side of the house seeing the temp changes day after day. I've seen it, as I've been selling race fuels since the 80s.

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methanol is hygroscopic which means it will absorb moisture right out of the air so it's very important to keep alky sealed up tight.

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Thanks for the feedback. I forgot I had a 5 gal plastic fuel jug in the garage. I thought it was empty until I had to move it to get something. It was in a dry environment but I think I'll just cut it and not completely chance it. 1:5 ratio and if anything negative is noticed I'll repost the info. Thanks again.

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