This is all too subjective for words. But I'll try one anyway:
Paul Hunt wrote:
> Not so, of the octane ratings we are talking about the higher ones
> definitely give better performance, economy, and lower running temps on a
> standard engine. I know, I've experienced the results when having to retard
> the ignition to cope with the lower grade. Of course, if your engine has
> only ever been tuned to run on the lower grade then you won't know what you
> are missing.
> ----- Original Message -----
>> Of cuss, you don't need all that octane unless you're running a
>> much-modified engine.