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Avgas

Avgas
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#1
28-10-2009, 07:38pm
Hi all I own a 99 busa and wanted to know if anyone has used avgas. I only use the bike for drag racing.
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spamanglenn
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#2
28-10-2009, 07:45pm
whats done to the motor?stock motors run fastest on 91 octane.
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#3
28-10-2009, 07:52pm
(28-10-2009, 07:45pm)spamanglenn Wrote: whats done to the motor?stock motors run fastest on 91 octane.

Nothing its totally stock. Will try the 91 fuel. Have been using 95 premium. Thanks.
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#4
08-11-2009, 09:18am
Well, tried 91 octane fuel last night and dispite what I have red the bike ran slower and the mph was down by 2Undecided Everyone one else ran their normal times. Will be going back to 95 premium I think.
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spamanglenn
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#5
08-11-2009, 02:23pm
did you log what air fuel it was running with the 2 different fuels?.different fuels have different specific gravities and can run richer or leaner with the same tune.
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#6
08-11-2009, 03:47pm
(08-11-2009, 02:23pm)spamanglenn Wrote: did you log what air fuel it was running with the 2 different fuels?.different fuels have different specific gravities and can run richer or leaner with the same tune.

No don't have the gear for that but it was running a bit richer. Could smell the extra exhaust fumes.
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