Jump to content

  • Do you own an ATV or UTV? Join our Forum!

    Join QUADCRAZY ATV Forum today for FREE! We keep these forums clean and user friendly. All first posters will have to wait to have their content reviewed and approved. Once your first post is approved, you will no longer need to got through an approval process. To gain immediate approval and a NO ADS experience, consider subsribing to our Premium Membership.

Gas octane??

Recommended Posts

  • 1 month later...

The only thing to watch out for it Ethanol, even 10% can cause problems. In engines which are used infrequently or stored for periods of time ethanol can separate from the gasoline and settle to the bottom of the tank and cause problems. The typical shelf live of E10 fuel is 90 days or less.

Ethanol can cause significant problems in many different applications due to the differences in properties compared to gasoline:

Ethanol is hygroscopic, which means it has a tendency to absorb water. When ethanol absorbs water, it readily separates from gasoline and, because it is heavier, falls to the bottom of the tank. The ethanol/water mixture in the bottom of the tank degrades relatively quickly. Ethanol contains less energy per gallon compared to gasoline. Based on this, many new vehicles have computer systems that sense and correct for high ethanol content. Small engines and most power sports equipment are not programmed to detect this and a lean burn situation results. When the ethanol rich mixture is pulled into the engine this lean burn increases combustion temperatures significantly, which can lead to severe engine damage. When a mixture of water and ethanol degrades and creates gums, varnish and other insoluble debris, fuel flow passages can become narrow or plug, significantly affecting engine performance. When the correct amount of fuel cannot flow to the engine, equipment becomes difficult to start and performance becomes unstable.

So I would recommend buying fuel that does not have ethanol in it. Often the premium fuels do not. Of course there are fuel additives you can buy but I won't comment on any brand names. Some are good and some seem to be a waste of money, chose wisely. Friend owns a PS dealership and he tells me he has stocked some and found very few of them work as claimed.

Edited by ZZ71
Link to comment
Share on other sites

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.
Note: Your post will require moderator approval before it will be visible.

Reply to this topic...

×   Pasted as rich text.   Paste as plain text instead

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.

  • Create New...