Quote:
Originally Posted by joes407
i try an buy my gas at stations with separate hoses for each grade. to me it feels like the fuel shuts off at the handle not at the beginning of the hose so im guessing if you only put in 10 or 15 bucks worth that you could lose some octane points from the regular gas caught in the hose from the last customer.
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If you put in at least 5 gallons, the amount in the hose isn't going to dilute it enough to matter.