Re: fleecing of automobile owners

["Mike" <lerb@redrose.net>]

I will try and get a copy of our final thesis.
----- Original Message -----
From: Wm. Josiah Erikson <wje97@hamp.hampshire.edu>
To: Mike <lerb@redrose.net>
Cc: <scirocco-l@scirocco.org>
Sent: Tuesday, May 04, 1999 9:48 AM
Subject: Re: fleecing of automobile owners


> Mike,
>     If you could forward the official published results of this study to
me, I
> would be very interested to read it.
>     Thank you,
>     -Josiah
>     '84 GTI
>     '87 QSW
>     http://bork.hampshire.edu
>
> Mike wrote:
>
> > That was the whole answer that we came up with in the three month
> > study...run as low octane as you can without any ping. Other than that
its a
> > waste. unless you have done mods to your car it will run fine on 87 and
its
> > bull if you believe otherwise. Anyone who says you will lose HP with 87
if
> > you are not pinging has been fooled into believing this fake lye. I have
> > seen dyno figures with cars that actually ping like crazy. We had a
dodge
> > diplomat in a ford asset garage dyno and it actually had 30 more HP when
it
> > pinged to the point it barely ran. But now would I run it like tho NO
> > because it is not good on the car. But Hp was lost on every car even
when we
> > added .5% octane. Not just one car ALL cars lost by then. My 8v did less
> > with about 91 octane than it did at 87. My 16V did the best at 76%
octane.
> > Unless you have upped your compression to the point you ping run as low
as
> > you can.. We did a study on 50 cars started from 50 octane all the way
up to
> > 110 on some. And the results were that ever car had more HP at 87.
> >
> > ----- Original Message -----
> > From: Wm. Josiah Erikson <wje97@hamp.hampshire.edu>
> > To: Mike <lerb@redrose.net>
> > Cc: <scirocco-l@scirocco.org>
> > Sent: Monday, May 03, 1999 11:01 PM
> > Subject: Re: fleecing of automobile owners
> >
> > > But you're missing the point. I always run the lowest octane
possible...
> > > in that I agree with you. But the reason that some vehicles need
higher
> > > octane is that they have high compression ratios. Therefore, if they
> > > didn't use high octane, the gasoline would ignite under pressure
before
> > > the spark plug ignited it, particularly under full throttle. This is
> > > what we call "pinging". It causes valve and various other damage, and
is
> > > generally bad (robs power). The fact that higher octane gases "burn
> > > slower" is what makes it possible to run them in higher compression
> > > motors. You're right that the claim about higher gas mileage or better
> > > power is crap. I always think it's funny when I see people putting 93
in
> > > their Oldsmobile Cutlass Supremes, etc. They're wasting their money.
> > > However, VW motors with knock sensors will back off the ignition
timing
> > > if they sense preignition knock (pinging), robbing power. Putting
higher
> > > octane in these cars allows the computers to advance the timing more,
> > > giving more power. I'm sure there are plenty of other motors out there
> > > that do this as well. In those cars, (and it's not most cars), it's
true
> > > that higher octane will give you more power, to a certain point,
beyond
> > > which you will again be just wasting your money (I would guess that 89
> > > or 91 would be plenty for Scirocco 16v's and the 10:1 8v's)
> > >     Later,
> > >     Josiah
> > >     '84 GTI
> > >     '87 QSW
> > >     http://bork.hampshire.edu
> > >
> > > Mike wrote:
> > >
> > > > Anyone have any problems with low octane? Does anyone really know
what
> > > > octane is?  I did a exhausted study on content and quality of gas.
You
> > > > are probably going to be blown away by what I have found! Octane is
> > > > shit!!! Octane is nothing more than an inhibitor to keep gas from
> > > > exploding as violently and straight gas. Therefore when you use
higher
> > > > octane you get less explosion resulting in less burn and as a result
> > > > you get less HP not more. Now in the past one good reason to run
high
> > > > octane (if you did not ping with low of course) is they always had
> > > > cleaning additives in the high test nowadays some companies (mobile
> > > > for one) have it in all grades. Now if you think about this concept
> > > > you can thats why they brag that high octane might give you minimal
> > > > better gas mileage,because it actually burns longer. Just some FYI
to
> > > > same ya some money. If you can rub low JUST DO IT!
> > >
> > >
> >
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>
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