> If your engine is not knocking, getting higher octane gas won't
> help you a bit.
but jerry,
on micheal's computer controlled motor, the computer will retard the spark
to prevent knocking. this will also reduce power. my cars run on anything
without complaint, but power is way down in the probe above 4K RPM if i dont
use premium.
-james c
----- Original Message -----
From: Jerry Mouton <jerry@moutons.org>
To: <mrclem@telocity.com>; Autocross <ba-autox@autox.team.net>
Sent: Wednesday, August 22, 2001 1:45 PM
Subject: Re: octane boost
> Michael,
>
> If your engine is not knocking, getting higher octane gas won't
> help you a bit. There is no additional energy or performance in
> higher octane fuel. It just has a slower burning characteristic
> that avoids preignition -- knock. My '64 Jaguar knocks a lot
> with pump gas, so I have a neverending quest for octane.
>
> If you are getting preignition,
>
> 1. It's at Almaden and Foxworthy, near I87. The pump octane
> is 100, which means it has a research octane rating of 106,
> higher than the 100 research octane that used to be premium.
> The Jag does not knock a bit with this fuel.
>
> 2. 104+ is the most effective additive, the others don't have much
> effect. 104+ doesn't have very much effect, either. It kept
> knock down to a minimum with the old 92 pump octane fuel, I have
> not tried it yet with the 91 octane available now.
>
> Jerry
>
> Jerry Mouton mailto:jerry@moutons.org Laissez les bons temps
> rouler!
>
> ----- Original Message -----
> From: "Michael R. Clements" <mrclem@telocity.com>
> To: "Autocross" <ba-autox@autox.team.net>
> Sent: Wednesday, August 22, 2001 12:56 PM
> Subject: octane boost
>
>
> > Hi everyone,
> >
> > Based on the thread a little while back regarding 91 octane gas, I'm
> wanting to ensure that I'm getting every last erg of output from my
> not-so-large high revving V8 engine. So I'm wondering what are the options
> for getting real American true blue 92 octane or higher gasoline.
> >
> > Option 1: go to that gas station somewhere in the south bay (forgot
where
> it is) that supposedly sells 100 octane gas.
> >
> > Option 2: use a fuel additive to increase the octane of the gas in the
> tank.
> >
> > Regarding option 1, just where is that gas station and what is the
octane
> of the gas it's selling?
> >
> > Regarding option 2, are there any products out there that actually do
> raise the octane of the gas without causing side effects or damaging the
> engine?
> >
> > Are there other options?
> >
> > I tried searching the web and found a few links like this:
> http://www.goldeagle.com/cartips/octimpr1.htm but can't really tell if
these
> are "real".
> >
> > Thanks,
> >
> > Michael R. Clements
> > mrclem@telocity.com
> > Some find truth in beauty, others find beauty in truth.
|