Re: [DMCForum] Re: Fuel requirements
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Re: [DMCForum] Re: Fuel requirements



Octane is rated in two different units, RON (Research Octane Number) and
MON
(Motor Octane Number).  In the US pumps are (RON+MON)/2 which is not a
true
octane rating is often called the anti-knock index.  RON is usually about
10
points higher than the MON rating.

So if the car requires 91 RON that would be the same as 86 (RON+MON)/2


I knew this Bosh hand book would come in handy, and everyone laughed at me
when I pulled it out of the dumpster.


Andrei



----- Original Message ----- 
From: "erikgeerdink" <erikgeerdink@xxxxxxxxx>
To: <DMCForum@xxxxxxxxxxxxxxx>
Sent: Tuesday, August 19, 2003 12:38 PM
Subject: [DMCForum] Re: Fuel requirements


> I use 87 and its fine.  Somewhere I heard that 91 octane was
> refering to UK standards (?) and that it actually is the equivalent
> to 87.
> I'm an idiot, so don't take my word for it.  Its just what I heard.
>
> Erik
>
>
>
> --- In DMCForum@xxxxxxxxxxxxxxx, "cruznmd" <racuti1@xxxx> wrote:
> > Do you guys all really put 93 octane in your cars, or have you
> found
> > that it doesn't really matter?
> >
> > The manual says "91 octane only" but all the pumps in my area only
> > sell 87, 89, & 93 octane. I would think that 89 would be close
> enough
> > but.....
> >
> > Anyone notice any adverse performance or mileage from the lower
> > octane fuels?
> >
> > Rich
>
>
>
> To unsubscribe from this group, send an email to:
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>
>
>
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>



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