octane baby!

[txrocco at sbcglobal.net (ATS - Patrick Bureau)]

there you go assuming again, who said I had a JH ?

and for your info I run a hybrib JH Head with 3A Block Knock sensor, and
with 89 it  pings at 105'F outside temps.

I stand by what I said...

ATS - Patrick Bureau - txrocco@sbcglobal.net
----------------------------------------------
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ICQ:32918816           |AIM:Texasscirocco
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=>-----Original Message-----
=>From: Dan Bubb [mailto:jdbubb@ix.netcom.com]
=>Sent: Monday, September 15, 2003 6:55 AM
=>To: ATS - Patrick Bureau; scirocco-l@scirocco.org
=>Subject: Re: octane baby!
=>
=>
=>There's only one problem with your equation. A JH doesn't ping on
=>89, so if
=>you stick a "not =" everywhere you have an "=" in your equation
=>that will be
=>the correct equation for an 8.5 CR non-KS JH.
=>Every engine has an octane requirement. Once you meet that
=>requirement going
=>higher will only lighten your wallet (less weight=better mileage!)
=>PL, 3A, ABA all have a higher octane requirement than a JH. Feeding them
=>swill will probably hurt your mileage as the KS retards timing under some
=>circumstances (do you really think it's retarding timing under
=>part throttle
=>cruise conditions which is where you spend the vast majority of your
=>driving??).
=>Check this out. Perhaps not definitive, but input none the less. See para
=>6.13 and 6.15
=>http://www.faqs.org/faqs/autos/gasoline-faq/part3/
=>Dan
=>
=>----- Original Message -----
=>From: "ATS - Patrick Bureau" <txrocco@sbcglobal.net>
=>To: "Dan Smith" <sad_rocc@yahoo.com>; <scirocco-l@scirocco.org>
=>Sent: Sunday, September 14, 2003 11:11 PM
=>Subject: RE: octane baby!
=>
=>
=>> higher octone = less ping = burn fuel better = better hp = better
=>efficiency
=>> = probable better gas mileage,
=>>
=>> I know if I put 89 in my car a tank lasts me less than 250
=>miles, at 93 I
=>> run 300-350 on a tank..
=>>
=>>
=>> ATS - Patrick Bureau - txrocco@sbcglobal.net
=>> ----------------------------------------------
=>> MSN:ATSGTX@hotmail.com |YAHOO:ATSGTX@yahoo.com
=>> ICQ:32918816           |AIM:Texasscirocco
=>> ----------------------------------------------
=>>
=>>
=>> =>-----Original Message-----
=>> =>From: scirocco-l-bounces@scirocco.org
=>> =>[mailto:scirocco-l-bounces@scirocco.org]On Behalf Of Dan Smith
=>> =>Sent: Sunday, September 14, 2003 5:28 PM
=>> =>To: scirocco-l@scirocco.org
=>> =>Subject: octane baby!
=>> =>
=>> =>
=>> =>Yeah, a corny play on a song title, but I couldn't resist.
=>> =>Anyways, CO has octane ratings at the pump ranging from 85 to 94.
=>> =>With gas prices ranging from $1.77 to 1.99 respectively, I want
=>> =>to see if I can settle this hot debate among my housemates. Does
=>> =>higher octane gas equal better gas mileage? And enough of a
=>> =>better mileage to make it cost effective? This would be for my
=>> =>relatively stock 84 8v, which doesn't deserve high octane gas if
=>> =>it doesn't make a difference mileage-wise. When responding,
=>> =>please try to keep the formula equations to a minimum as high
=>> =>school chem was a long time ago and I just squeeked by.
=>> =>
=>> =>TIA,
=>> =>Dan
=>> =>
=>> =>
=>> =>---------------------------------
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=>> =>_______________________________________________
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=>>
=>>
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=>