Re: hardened valve seats

[David orr <fe2orr@xxxxxxxxxxxxxx>]

 I agree there was amoco unleaded and also white gas that came in a can. 
but you could use amoco unleaded in equip that required white gas. never 
exploded on me. lucky I guess  dave O
----- Original Message ----- 
From: <spigot2039@xxxxxxxxxxx>
To: <1962to1965mopars@xxxxxxxxxx>
Sent: Thursday, April 03, 2008 2:47 PM
Subject: Re: hardened valve seats


> We used to look for the top level Sunoco (260?) for high octane in Mopars 
> back then. Per the text snip below, that I assume is right, Amoco white 
> gas did not have lead but instead used other additives to provide the 
> valve protection.
>
> "Back in the '60s, when most gas was leaded, Amoco had this special super 
> premium which was not leaded and was therefore safe for some uses where 
> leaded was not, and it also was much less likely to foul plugs in motors 
> which had a severe plug fouling problem, such as the early Porsche 911 (I 
> had a late '66 for a while in the '70s) and Ferrari V12 motors of the 
> pre-smog control era, so it was much sought after by owners of 
> high-performance machinery, including modified American "super" cars. I 
> doubt that it would be any different from the current 93 octane unleaded 
> in practical applications, if it were still on the market, except that 
> some of the other additives that Amoco used instead of lead have now been 
> banned, too.
>
> Addendum: Amoco's early unleaded premium is NOT the same as the "white 
> gas" meant for lanterns, camp stoves, and torches, which was a form of 
> light distillate, similar to the cheap fuel sold for specially equipped 
> farm tractors during the Depression and WWII years. It was almost as 
> dangerous to use the Amoco premium for those purposes as any other 
> gasoline because of the explosion danger and the other additives."
> http://www.mercedesshop.com/shopforum/archive/index.php/t-47287.html
>
> Gary H.
>
>
> -----Original Message-----
> > From: David orr <fe2orr@xxxxxxxxxxxxxx>
>
> > I have wondered about this for years as when I had my first new car in 
> > 1964,
> > a 383 4bbl. 4spd. , that I drove at the drags most every week end  or from
> > N.C. to Pa. other week end. I used AMOCO white gas unleaded it worked 
> > fine.
> > what is the diffenance between the unleaded of 1964 and the unleaded of 
> > now.
> > I use 93 octane with an additive in my 64 426 street wedge with no 
> > problems.
> > dave O
>
>
> ----
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>
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----
Please address private mail -- mail of interest to only one person -- directly to that person.  I.e., send parts/car transactions and negotiations as well as other personal messages only to the intended recipient, not to the Clubhouse public address. This practice will protect your privacy, reduce the total volume of mail and fine tune the content signal to Mopar topic.  Thanks!

'62 to '65 Mopar Clubhouse Discussion Guidelines:
http://www.1962to1965mopar.ornocar.org/mletiq.html.