Quote:
Originally Posted by dect
So, if you buy premium for V6.. Will it not do anything beneficial?
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it might gradually advance the timing after running premium for a while, but it wont be an overnight change. but thats true with any computer controlled motor, it will advance spark automatically untill it sees knock and will pull timing and start over. now if you re-tune the motor for premium you will see some extra gains
but the only beneficial thing it will do is put money in the gas companies' pockets.
Quote:
Originally Posted by SandiCandi
Dect - Putting premium in a car not designed or engineered for it is an absolute waste of money. Anybody who tells you differently is blowing smoke up your...tailpipe.
Most of todays engines will reduce spark (via the knock sensor) if the octane is too LOW but if it requires "regular" putting "premium" will not increase the horsepower or torque.
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unless its tuned