[Healeys] Fuel (was: tuning and timing)

[Derek Job]

Bob

The original point was that with modern fuel (ie low octane, we can debate
whether it is rubbish or not) then the settings per the shop manual are not
necessary valid because they assumed much higher octane fuel. That is still
the case.

Derek


On Thu, Jun 6, 2013 at 4:30 PM, Bob Spidell <bspidell at comcast.net> wrote:

> Chris,
>
> How are you performing your octane-rating tests?
>
> Yes, TEL does more than lubricate.  If fact, TEL was discovered/developed
> at the Sloan-Kettering institute (think it was part of GM at the time) in
> the 1930s in an effort to improve anti-detonation properties of fuel so
> more powerful aircraft piston engines could be developed (some people saw
> WWII coming long before it started).  The lubrication qualities were a
> fortunate side effect.
>
> Anyway, it's a moot point because unleaded gasoline has caused all older
> engines to blow all their exhaust valves through the head already.
>
> Don't know that I've ever seen '100 octane 5-star,' but I'm only 60.
>
>
> Bob
>
> --------------------------------
> Bob Spidell - San Jose, CA
>
> ------------------------------
>
>
> Short answer..
> It has no tetra ethyl lead.
> TEL does more than lubricate.
> It burns differently than the additives that replace it.
> Tell me why modern fuel goes stale and loses up to 5 octane points after 2
> or 3 weeks in a drum/ tank????????
> Never used to happen with 100 octane 5 star, did it??????
> Why is that??
> Chris