On 23/08/15 00:40, Fredxxx wrote:
On 22/08/2015 10:28, The Natural Philosopher wrote:

snip

The final point being the engine is designed and mapped for one
particular grade of fuel. And tested to ensure that others don't cause
problems, but it is not optimised for them. All cars will run best on a
particular grade and better or worse on others.

So "However a car adjusted to run on low grade fuel either by fixed
design or automatically will still run better on better fuel" is
complete nonsense. Better fuel inferred to be higher octane.

Its not complere nonsense and I deliberately didn't say higher octane
because there is a lot more to fuel than that,.

Sigh.

Once more, with feeliong.

You have a car, and you have tow grades of fuel. You adjust it to run at
its best on one grade. It pinks like **** on the other, so you do your
best with the other fuel to get it at least to run without damage. You
achieve this. But now although its not as good as it was, on the high
grade fuel, its still better on that than on the low grade fuel.

Does that now make sense?

If not you are brain dead and goodbye



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