I don't know the "low down" on that...but I have been running that 89 crap in my supra for about 4 months now....no problems, but it is a little underpowered. I'm going to put in premium today...see where that gets me!
I'll report back if there is anything different...I suspect that there will be a power increase, but that is the only thing I can think of. Higher octane facilitates in "de-carboning" your engine, but with gas prices now of days....if I can use the 97.5 cent/liter "normal" fuel....I will. Specially going into winter....you get colder air, thus more power...so I shouldn't need to run any higher octane, it will just make me spin easier....
...and just a reminder....we don't live in igloos up here....but I make one in my yard every year to get a kick out of the "out of town-ers" that come through my city....lol. I make the igloo...then I run some extension cords out there, and play vid games, or bring my computer out there, and play internet games (Wireless internet from the house).
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My Ride: http://www.cardomain.com/ride/2351563
Our Supra’s, which art in the driveway,
Hollowed be thy power, thy mods are great, thy speed endless,
On the road or at the track. Give us this day free of cops,
And forgive us our impound charges, as we forgive those who are slow.
And lead us not into speed traps, and deliver us from the interceptors,
For thine is our car, the power, and the glory…forever and ever….amen.
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