You get slightly better mpg on premium, just not enough to justify the cost.
Not unless you’re adjusting timing. Premium gas has lower energy per unit mass and per unit volume than standard gas.
> Not unless you’re adjusting timing.
Which, every modern ECU will do automatically based on output from the knock sensors.
Not unless you’re adjusting timing. Premium gas has lower energy per unit mass and per unit volume than standard gas.
> Not unless you’re adjusting timing.
Which, every modern ECU will do automatically based on output from the knock sensors.