Fuel??
08-08-2007, 12:27 PM
#11
Senior Member
https://www.cobaltss.net/forums/general-cobalt-68/most-common-misconceptions-tuners-have-write-up-68058/
Originally Posted by NJHK
3. Higher Octane means more power
Higher Rated Octane Gasoline alone will NOT gain you power. The octane rating in relation to your engine is all referring the resistance to detonation (knock). Detonation is a uncontrolled explosion in your combustion chamber (not like a normal controlled igniting of fuel).
Higher Octane also has nothing to do with flame speed.
Now being that high octane fuel more resistant to detonation occuring, you can yield power gains by advancing ignition timing or even possibly running at a leaner air to fuel ratio (of course this depends on the application and the condition of the engine or setup you're running).
Higher Rated Octane Gasoline alone will NOT gain you power. The octane rating in relation to your engine is all referring the resistance to detonation (knock). Detonation is a uncontrolled explosion in your combustion chamber (not like a normal controlled igniting of fuel).
Higher Octane also has nothing to do with flame speed.
Now being that high octane fuel more resistant to detonation occuring, you can yield power gains by advancing ignition timing or even possibly running at a leaner air to fuel ratio (of course this depends on the application and the condition of the engine or setup you're running).
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