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ive always ran on optimax, usually get around 32-34mpg.
when the ''petrol crisis'' was on my station was out of optimax so used shells normal unleaded.. didnt seem to perform any less and managed 37mpg and im sure my driving style hadnt changed, in fact i think i was driving harder if anything.
but as soon as optimax came back in i bought that again.
had to fill up at a tesco though lastnight with normal unleaded cos i couldnt find a nearby shell.
when the ''petrol crisis'' was on my station was out of optimax so used shells normal unleaded.. didnt seem to perform any less and managed 37mpg and im sure my driving style hadnt changed, in fact i think i was driving harder if anything.
but as soon as optimax came back in i bought that again.
had to fill up at a tesco though lastnight with normal unleaded cos i couldnt find a nearby shell.
SLK 350
IMO your best to redex your system and run it to empty, then treat your car to a full-tank full of Optimax/BP Ultimate.
To many people put £20 of optimax into a tank thats not even near empty and expect to take off when they next open the car up.
But i would advise a fill-up on some 95 and redex your system before going to the good stuff.
To many people put £20 of optimax into a tank thats not even near empty and expect to take off when they next open the car up.
But i would advise a fill-up on some 95 and redex your system before going to the good stuff.
M.C..
ClioSport Club Member
i use sainbury's super 97ron and it is better than 95ron not power wise just runs smoother i've tried optimax but could tell any difference from sainbury's so i could'nt justify an extra 5p per litre for it.
