we are running a single turbo converted rx7 mk 3 estimated 400+ bhp do we need to continuassly run it on optimax or will super unleaded do??
suppose it depends what it\'s been mapped for but if in any doubt i\'d always fill with the best stuff you can they do drink fuel like a fish

but still not too hard to plan journey accordingly......
Si (limited knowledge but cant hurt to feed it the good stuff)