Changing from premium fuel to regular?
05-24-06, 05:11 PM
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Changing from premium fuel to regular?
Well, I'm picking up my car tomorrow, and it seems that the previous owner only ran premium (91 where I live in the car). The car is a 89 rx7 turbo II. However, I have read on that as long as the car is stock (which this car is), mazda recommends running 87 in the car. Will there be any ill effects if I switch the next tank of gas to a lower octane fuel?
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