Everything you ever (or never) wanted to know about gasoline and alternatives
02-05-2003, 06:19 AM
#1
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Everything you ever (or never) wanted to know about gasoline and alternatives
And be sure to read parts 2, 3, and 4.<ul><li><a href="http://www.faqs.org/faqs/autos/gasoline-faq/part1/">http://www.faqs.org/faqs/autos/gasoline-faq/part1/</a</li></ul>
02-05-2003, 07:30 AM
#7
Basically the most useful piece of writing I gathered was the following:
6.15 Can I mix different octane fuel grades?
Yes, however attempts to blend in your fuel tank should be carefully planned. You should not allow the tank to become empty, and then add 50% of lower octane, followed by 50% of higher octane. The fuels may not completely mix immediately, especially if there is a density difference. You may get a slug of low octane that causes severe knock. You should refill when your tank is half full.
I dont' think we have to worry about knocking, but it was an interesting thing nonetheless.
Yes, however attempts to blend in your fuel tank should be carefully planned. You should not allow the tank to become empty, and then add 50% of lower octane, followed by 50% of higher octane. The fuels may not completely mix immediately, especially if there is a density difference. You may get a slug of low octane that causes severe knock. You should refill when your tank is half full.
I dont' think we have to worry about knocking, but it was an interesting thing nonetheless.
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02-05-2003, 10:36 AM
#8
AudiWorld Super User
just stand in the trunk and jump up and down to mix the fuel.
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