Quote:
Originally Posted by ArcAngel
I thought the V6 needs premium too No?
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i meant for his avalanche.
a friend of mine ran 87 89 91 and 93 octane in his truck for a month ~500miles for each rating and measured his mileage for each. 91 netted him the best mileage. (93 was just barely lower) but his truck is designed to run on 87.
but its like putting crappy oil filter on the car with top of the line oil. not doing anything for you.
just because it CAN run on the cheap stuff, doesnt mean that it is the best for the car.