[SEL] Non-detergent Oil--The Rest Of The Story

Arnie Fero fero_ah at city-net.com
Tue Aug 10 06:44:54 PDT 2010


Elden,

That's pretty much the line of thinking that Dave and I were going through at
Findlay while sipping beer and watching the gals walk by.

See ya,  Arnie

On Tue, August 10, 2010 8:21 am, Elden wrote:
>
> Methink that in the days these engines were working for a living,
> they probably ran hotter and with leaner mixtures than now, when
> they are retired.
>
> Also, back then, I kinda think that they were torn down
> periodically to remove carbon and other clag left by the
> non-detergent oils of the time.
>
> Nowadays, running rich and cool and without the benefit of
> detergent additives, carbon is likely to build-up in ring
> grooves, causing ring binding.






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