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When using anti-knock additives for more octane, is added...

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Question by panic
Submitted on 2/11/2004
Related FAQ: Gasoline FAQ - Part 4 of 4
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When using anti-knock additives for more octane, is added ignition advance needed because of slower burning time? Do some additives suppress knock without slowing flame propagation?


Answer by whitevette
Submitted on 8/3/2004
Rating: Not yet rated Rate this answer: Vote
"Panic"-  Think about it : Anything which increases the octane rating(it's gonna be expensive!)an appreciable amount is going to allow you to "bump" the timing ; this will yield more power, due to increasing the pressure (BMEP) in the cylinder(s). Slowing the flame front? Hmmm... I doubt it!

 

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