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Re: Timing and altitude

To: mgs@autox.team.net
Subject: Re: Timing and altitude
From: Charles & Peggy Robinson <ccrobins@ktc.com>
Date: Sun, 13 Apr 2003 10:47:05 -0500
     Hmmm, I wonder if the pinging is because of differences in the
gasolines.

     CR

James Nazarian wrote:
 > I have a question of actual application this time.  This is what got me
 > thinking about the octane stuff I sent earlier.  Last fall I moved from
 > Boulder Co ~1mi above sea level, to Medina, Oh ~1000 feet above sea 
level.
 > I did the obvious mixture changes and readjusted idle etc, but found 
that I
 > had to retard the timing a couple of degrees to prevent pinging under 
load.
 > Does this make sense?  Should I have to run less advance near sea level?
 >
 > James Nazarian

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