Octane vs. performance / HP - Volvo says...
05-28-2008, 02:29 PM
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Octane vs. performance / HP - Volvo says...
Ok - so having never owned a Volvo engine, I decided to read the manual for my new motor and it had a page dedicated to the following - any thoughts on the validity of the "increase in power" statement from you engine guys - and what are they!?
Last edited by DoTheMath; 05-28-2008 at 02:43 PM.
05-28-2008, 03:41 PM
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Basically the computer can turn the timing up w/ a higher octane w/o causing detonation. Not that familiar w/ the volvo style efi & what sensors it's using to determine its parameters
05-28-2008, 03:45 PM
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I doubt you would feel a difference in performance, not enough to offset the cost of higher octane fuel. But if you want a margin of safety in case you get some bad fuel. Its your piece of mind.
05-28-2008, 05:53 PM
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Yep....I'm guessing the same thing. It must be ste to retart timing slightly to account for 87 octane and advance for higher octane....power difference wouldn't be more than a couple HP though.
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