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Shell Optimax - the real hazza
Does anybody know if the claims made by Shell for their new Optimax petrol are justified? It suggests your car will go better but I remamber a special petrol introduced by Shell once before and it damaged engines........
Re: Shell Optimax - markymarkn
read the many many many previous topics mate. do a search.

I've just put 15 quids worth in my astra to see if it makes any difference.