OP
How much do you know about engines?
- Thread starter k0ua
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Geees if you couldn't get 45 out of 40 you should hand in your dangly bits and join the ladies sewing circle.
Pretty much.
Looking4new
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I use the 'eanny-meany' method after I've narrowed it down to 2.
kevin37b
Veteran Member
Missed the octane question . I guessed HP per gallon.
LD1
Epic Contributor
Too easy. Even if it wasnt multiple choice, would likely have only missed the otto-year question. But multiple choice made that one easy too. Will have to have the wife take this and see how she does.
Not to derail, but alot of people dont understand what octane means. Its simply the higher the number, the greater resistance to auto-ignition/detonation. Meaning 87 octane is actually more "explosive" than higher octane. Thats why they used to put lead in there. Lead dont burn, makes the gas less explosive.
If an engine is built to take advantage of high octane (boosted or high compression) then the power "potential" is greater. But in an everyday driver, you get the most power out of the lowest octane you can run without knocking (which makes the computer pull timing, and decreases power).
Now a days, the ONLY benefit to buying high octane gas if it isnt needed, is if you can find it with a lower or zero ethanol content.
The gas companies have duped alot of people about octane. Making them think that paying more for "premium", or that it is some how better quality ultra refined stuff, is a good thing.
Not to derail, but alot of people dont understand what octane means. Its simply the higher the number, the greater resistance to auto-ignition/detonation. Meaning 87 octane is actually more "explosive" than higher octane. Thats why they used to put lead in there. Lead dont burn, makes the gas less explosive.
If an engine is built to take advantage of high octane (boosted or high compression) then the power "potential" is greater. But in an everyday driver, you get the most power out of the lowest octane you can run without knocking (which makes the computer pull timing, and decreases power).
Now a days, the ONLY benefit to buying high octane gas if it isnt needed, is if you can find it with a lower or zero ethanol content.
The gas companies have duped alot of people about octane. Making them think that paying more for "premium", or that it is some how better quality ultra refined stuff, is a good thing.
nibbz
New member
dam....i missed 3 ugh....
ultrarunner
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Probably in too much or a hurry...
PhysAssist
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If they weren't built to run only on high octane fuel, I would bought a Cooper Mini (or technically a Mercedes Benz, I guess.)
ultrarunner
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Mini has been associated with BMW for some time... as was Land Rover for a period too...
BMW actually is makes less HP in North American because USA High Octane is lower than Western Europe for the most part.
BMW actually is makes less HP in North American because USA High Octane is lower than Western Europe for the most part.
PhysAssist
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Oops, I knew it were one of them German car companies...
