none of my ride accept ron95 , so, no big deal.
but i wonder how you guys could instantly feel the different just after a refill.
aren't the engine need time to adapt to the new fuel? after all, even when the fuel warning light
is turn on, there are still good few liter left in reserve tank...
some could be placebo effect. unless to those had been filling a few time where the engine already
adapt to the new fuel.

its a no brainer. like how some ppl mount a gt wing on a standard engine vios and drive around like it was a
300hp car
btw, ron95 is basically the same. only different was the additives added. whereby those different brand may claim theirs promotes cleaner engine, fuel saver and so on.
the conclusion / test result could be more accurate if we could put into consideration; driver's driving style, car,
climate, road and traffic condition.

was stated in japanese original manual that your high compression mivec was design to run on ron100

my bad

purist doesn't get carry away by the placebo effect.
even so for 'track kaki'
off topic, your friend service a hks hipermax ls abs as well?