<blockquote><font size="1" face="Verdana, Helvetica, sans-serif">quote:<hr /><font size="1" face="Verdana, Helvetica, sans-serif">Originally posted by rarebear:
<strong>As a Shell Employee for 33 years I recommend Optimax (Pura in Europe) so much R & D has gone into it... and my Alfa's run perfectly on it !!! but then again I am spreading the gospel of Shell.. (what's good for Schumacher is good for your motor)</strong><hr /></blockquote><font size="1" face="Verdana, Helvetica, sans-serif">As I said in a previous post, Optimax is a big no-no amongst the performance bike crowd here in Australia. Fouls their engine up something shocking
Seems OK in car engines however.
A Ferrari engines are not as exotic as many bike engines
I ran Optimax for 60,000 miles in a previous car without any problems.
No better fuel consumption. (my records cover 100,000 miles in this car)
Car was getting 32-33 mmg before Optimax and 32-33 mpg after Optimax (averages over about 12 fills) Driving each fill was essentially the same roads,conditions and times of day and should have averaged out ok over 12 tank fulls)
Though I suspect that car went further on a tank.
I assume that this is because the fuel has a higher Specific gravity
NB I record every drop of fuel my cars use.
Currently have used 1171.67 litres in 16586 kilometres in the Alfa 147 (all this ignores, of course, fuel filling errors recorded by bowser and any distance errors recorded by car odometer)