Putting in more thn you need is a performance detractor, especially at high
rpm. The best chart is the torque meter and the plugs.
Dave
> -----Original Message-----
> From: owner-land-speed@autox.team.net
> [mailto:owner-land-speed@autox.team.net]On Behalf Of Dick J
> Sent: Wednesday, May 25, 2005 3:41 PM
> To: land-speed@autox.team.net
> Subject: Racing Gas - Octane Needs
>
>
> Is required octane directly related to compression ratio, or are
> there other factors that figure in. Is there a chart somewhere
> to give a starting point for determining necessary octane. In
> the past, I have bought 110 octane racing fuel thinking that it
> was the smart move at the track, when I know the motor I had
> would have run just fine on pump gas. I've read that putting in
> higher than necessary is not a permormance enhancer, just money
> thrown away.
>
> Dick J
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