If by additives you mean a lead substitute, use it every other tankful. My
previous experience has shown that the additive has a tendency to add deposits
to the jets on the carburetor if used consistently. By alternating its use
every other tankful, you give a chance for the carburetor to "flush" itself out.
Other additives just change the flash point of the fuel. The best one out
there is Chevron's Techron. It does a great job of removing carbon deposits.
Even though the bottle may say fuel injector cleaner, it is great stuff against
carbon on any motor.
--- On Mon 07/19, Chad Smith < hemi_powered@xxxxxxx > wrote:
From: Chad Smith [mailto: hemi_powered@xxxxxxx]
To: mailing-list@xxxxxxxxxxxxxxxx
Date: Mon, 19 Jul 2004 09:27:46 -0700
Subject: Re: IML: gasoline 1950
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<DIV>
<DIV>Hello:</DIV>
<DIV> </DIV>
<DIV>We have a 1955 DeSoto, a 1956 DeSoto, and a 1959 Chrysler Imperial, and we
run them all on Super Unleaded...find that they ping a bit on regular
unleaded....but no additives.</DIV>
<DIV> </DIV>
<DIV>Teresa</DIV>
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<DIV style="FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV style="FONT: 10pt arial"><B>From:</B> <A
title=mailto:desotobravo@xxxxxxxxx href="mailto:desotobravo@xxxxxxxxx";>David
Duricy</A> </DIV>
<DIV style="FONT: 10pt arial"><B>To:</B> <A
title=mailto:mailing-list@xxxxxxxxxxxxxxxx
href="mailto:mailing-list@xxxxxxxxxxxxxxxx";>mailing-list@xxxxxxxxxxxxxxxx</A>
</DIV>
<DIV style="FONT: 10pt arial"><B>Sent:</B> Sunday, July 18, 2004 6:06 PM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> Re: IML: gasoline 1950</DIV>
<DIV><BR></DIV>I have owned my 1950 DeSoto Custom club coupe for 20<BR>years.
During that time, it has always run on unleaded<BR>gasoline without use of
lead or octane boosters.<BR><BR>Earlier this year I opened the engine to
perform a<BR>valve job. I saw the hardened exhaust valve seats, and<BR>no
valve recession.<BR><BR>My DeSoto went back on the road within the last
three<BR>weeks. It has about a tank and half of low-grade<BR>Sunoco, and is
running the best it ever has.<BR><BR>Once I get new tires installed, the
DeSoto will be<BR>taking even longer, faster trips. The only additive
I<BR>will take along is Chemtool, which will help with<BR>carbon
deposits.<BR><BR>Dave Duricy<BR>1950 DeSoto Custom club coupe<BR>1968
Imperial
Crown covnertible<BR>1973 Imperial LeBaron<BR>desotoland.com<BR><BR>--- <A
title=mailto:Jhale7572@xxxxxxx
href="mailto:Jhale7572@xxxxxxx";>Jhale7572@xxxxxxx</A> wrote:<BR>>
Hi,<BR>> <BR>> We have put two tanks of gas through our 1950<BR>>
Chrysler Imperial. We used the <BR>> additive each time. We
talked to a friend and he<BR>> said he does not use the <BR>> additive
with the unleaded. What does everyone<BR>> think? We put a tank
in tonight <BR>> and did not use the additive.<BR>> <BR>> Any words
of wisdom? <BR>> <BR>> Thank you, Jan and Fred Hale<BR>>
Central New York<BR>> 1950 Chrysler Imperial<BR>>
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