<VV> OCTANE CALCULATION

[J R Read_HML]

More and more stations are going to one hose per pump.  Makes me feel like 
I'm getting a hose full of 87 before any 93 makes it to my tank.  The NEXT 
guy gets lucky and gets a hose full of the 93 that "I" paid for!

Anyway, the reason they do this is they need less tanks in the ground.  They 
DON'T have a 89 tank.  They get the 89 by blending the 87 and 93.

Yes - 89 + 93 = 182 / 2 = 91.  A 50 - 50 mix gets you there.

Attachments (if any) are scanned with anti-virus software.

Later, JR

----- Original Message ----- 
From: "kovacsmj" <kovacsmj at sbcglobal.net>
To: <virtualvairs at corvair.org>
Sent: Wednesday, September 07, 2005 3:40 PM
Subject: <VV> OCTANE CALCULATION


> Most of the gas stations around here sell 87, 89, 93 octane. Do we have
> someone on line who can tell me the proper mixture ratio to obtain 91
> octane? I would assume the most simple is a 50-50 mixture of 87+93 to
> get 90, or 89+93 to get 91. Reason being, the engine was rebuilt to run
> on 91, and I want to see if I can get reasonably close.
>
>
>
>  140 CR 9.1:1 .032 squish, octane cut pistons.
>
>
>
> I would error on the safe side and pump more 93 than anything else.
>
>
>
> Getting all the information is most of the solution.
>
>
>
> MIKE KOVACS
>
>
>
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