Mark A. Erickson wrote:
>
> "Ammoco" was one of the high performance fuels of the sixties. My parents
> used only Ammoco in both their 55 Buick Century and (my favorite) my dads
> 1957 TR-3. I used it in my "souped-up" lawn mower. We had no one problem
> what so ever with any engine. In 1963 the Buick became mine, did a
> compression (over 100,000 mile) found one bent valve, problem with the
> fuel--NO. The valves and seats were so good that they did not require a
> grind or a reseat.
>
> If I remember correctly, Ammoco Supreme was 102 octane. If they could do it
> then why can't we have 100 octane now??
>
> Mark
>
> ----------
> > From: tom.omalley@channel1.com
> > To: triumphs@autox.team.net
> > Cc: tboicey@brit.ca
> > Subject: Re: Chemistry? Was: SB42
> > Date: Saturday, September 27, 1997 12:40 PM
> >
> > Trevor writes:
> >
> > > Lead sucks. Frankly, we've been without it forever,
> > >and I don't see the massive automotive carnage that
> > >the british auto press seems to like portray.
> >
> > I hope our UK friends don't get too upset about the lead thing.
> > Trevor's right...we have been running without it forever and it
> > doesn't seem to be causing any serious problems.
> >
> > Unleaded fuel has actually been *available* <in the Unites States, not
> > sure about Canada> since the early sixties.
> >
> > Anyone remember seeing Bob Hope on TV wearing his nifty red cap
> > hawking "Unleaded Ammoco"? This fuel was being hyped as a performance
> > enhancement that prevented fouling of spark plugs from lead deposits.
> > Nothing to do with emissions...WAY too early for that.
> >
> > AFAIK, all grades of Ammoco sold in the sixties were unleaded. Since
> > this was a major brand, that says that one heck of a lotta really old
> > cars were using unleaded even then. If Ammoco was deluged with
> > lawsuits from folks who damaged their engines I missed hearing about
> > it.
> >
> > Okay...I don't know for a fact that "Unleaded Ammoco" was completely
> > free of lead...we only knew what the Ad copy told us.
> >
> > Still...my own empirical data looks pretty good. My '74 Plymouth ran
> > 100k of it's 240k miles on unleaded fuel...never had the head off.
> >
> > '71 and '74 Toyota's that my wife owned seemed happy as well.
> > My '74 Spit is still going strong...I'm not the original owner but by
> > the looks of it that head's been on there a good long while. :-)
> >
> > Tom O'Malley <You can trust your car to the man who wears the star...>
> > '74, '77 Spits
The measurment of octane has changed since then. They still don't make
an equivalent of 102 octane though.
--
George Richardson
'57 TR3, TS15559L
(getting ready to paint - and now on the web!)
http://www.merlingroupinc.com/tr3.htm
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