Re: [Chrysler300] High altitude

["Dave Agnew" <Fnnutz@xxxxxxxxxx>]

Dan.......How does all this altitude affect that marvellous other air pump,
the human being?  What happens at the end of the day,when from my experienes
of Club Meets past ( Tallahassee '95, and Newark,Ca '99 ), a bit of upper
cylinder lube is usually par for the course, along with talk of 300's in car
parks,hotel rooms, and assorted watering holes in the immediate area. Does
one have to get into any sort of 'training' mode. Do you think that top
shelf should be the start point for celebrating that we're so lucky to be
having a ball in Lake Tahoe? I'd hate to be there 3 days sampling the
beer.......only to find that something of better octane makes one run better
!
                        Dave in NZ.




----- Original Message ----- 
From: <dan300f@xxxxxxx>
To: <Chrysler300@xxxxxxxxxxxxxxx>
Sent: Sunday, August 22, 2004 4:33 PM
Subject: [Chrysler300] High altitude



Hi all:

I have lived in Southern California since 1961 so all of my cars have been
tuned for elevations of sea level to perhaps 4000 feet.  Numerous times over
the
years, I have made trips to Wyoming over Teton Pass, Denver, once over Wolf
Creek Pass (about 11,000 ft.) and then through the Eisenhower tunnel (maybe
10,000 ft.) on Rte. 70 and have never had a problem because when I reach an
elevation where my car's performance starts to drop off, I nudge the timing
forward
a bit.  This seems to solve the problem.  On the way back, when the car
starts to ping, I reset the timing.

Except for one occasion, I used the highest octane fuel available.  In 1997,
when I drove to the Denver meet, a friend told me that at higher elevations
lower octanes were advisable.  Boy did I bite.  Just after getting on Rte.
70 in
Utah, I filled up with 86 octane Shell gas.  By the time we got to Moab, the
F sounded like it was on its last legs.  Even with the timing advanced, it
took 3 tanks full of 91 octane to clear the problem.

Notably, in 1967, I had my first experience with high altitude driving.  I
was driving my '66 Newport with a 383 engine, 4 bbl.,  up the back road to
Tahoe
from Hwy. 95.  I got behind a Cadillac going about 15 mph and I could not
get
up the speed to go around him.  I pulled over, nudged the timing up and
subsequently caught the Caddy and flew by him.

SO, if you are coming from a lower altitude for the meet, which most
everyone
will, I suggest having the necessary equipment along to change your timing.
If you do not, as I did not the first or second times, just nudge the timing
until the engine idle comes back up to a normal sound.

Just my 2 cents worth.

Dan Reitz
Northridge, CA


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