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How much is Octane 91 in your place?

pdykstra600

Go Kart Champion
You should use exactly what is recommended, however, using higher octane will not necessarily hurt. I have read a lot about using higher octane than what is tuned for, I still don't know the facts only that most opinions are that it's safe.

It's safe to use higher octane but it won't really do too much unless the car is tuned to take advantage of the higher octane
 

Marvin

Ready to race!
Yes, but how much of that is taxes? :) I know Europe is about 50% tax. lol


Chevron 91 is around $4.11 average here, that's with 18 cents state tax and I think 18 cents federal tax as well.

Petrol tax on petrol in the UK is HERE therefore think yourselves lucky!!
 

Larry70454

Ready to race!
It's safe to use higher octane but it won't really do too much unless the car is tuned to take advantage of the higher octane

Opinion, not fact. There are some tests on bobistheoilguy that shows burned valves when using higher octane than is recommended.

In our case, going from 91 to 93 is not a big enough increase to do damage in my opinion.
 
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