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Originally Posted by drift_n_shift
does everyone get sunoco Ultra 94? is shell gas anygood (ferrari commercials) or any other gas/gas stations?
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Depending on your motor, your fuel requirements will depend. If you drive a civic that is stock compression, N/A, etc then regular 87 is all you need. You only need high octabne fuel if you are:
forced induction (running high boost levels)
running higher compression motors (10.5:1 and up)
Manufacturer spec calls for a minimum grade that must be used.
Other than that you really are wasting your money by going with higher octane fuels such as 94.
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