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RE: Octane

To: scowle@mentorcollege.edu, land-speed@autox.team.net
Subject: RE: Octane
From: "gary baker" <lsr350@hotmail.com>
Date: Wed, 21 Apr 2004 20:16:43 +1000
Scott wrote
>    Is it possible to use too high an octane rating, My understanding is 
>that
>the higher the rating the slower the rate of burn. So logically one would
>want only enough octane to cover detonation- Is this correct?

>Im using a N2O wet system ( motorcycle) and was advised to use a "high" 
>octane  fuel  I checked around and did some research  and found that an 
>aromatic hydrocarbon called Toluene has a very high octane rating  120+ RON 
>and was only $3 liter compaired to  $50 liter for 120+ racing leaded gas  
>in Australia  but I was told by the fuel supplier that it was also a "slow 
>" burn and as I did not have any means of retarding the timing when on the 
>nitrous I decided that this would be good allround  high octane and slow 
>burn  ( a chemical retard ?) my thoughts,so I used 100% toluene as my 
>secondary fuel  dont know if it worked that way , but I ran up to a 100HP 
>nitrous shot for 20-30 sec without retarding timing or damaging the motor  
>I was informed by others with far greater knowledge than myself  that 
>100hp+ 20sec would equal  lots of melted  stuff and lots of wheel spin  
>,well they got half of it right lol  so on face value this fuel worked for 
>me
Gary

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