goco Posted March 18, 2012 Share Posted March 18, 2012 Did eny one try improve gas mileage with special air filters or high octane fuel. Tc come from Europe in my knowledge they do not have low octane fuel they starting from 90 octanes .so tring find reason why they recommend 87 octane fuel on USA, Any one have suggestion. Quote Link to comment Share on other sites More sharing options...
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