Can You Mix 87 And 91 Gas? [Solved]
Hi, iam Michael May, Today’s going to be an amazing day for you. I can feel it! Can You Mix 87 And 91 Gas? [Solved] Mixing regular or mid-grade gasoline (87 – 89 octane) with premium gasoline (91 – 93 octane) won’t be harmful to cars designed to run on regular gasoline. However, mixing these gasoline types in cars designed for premium gasoline may result in engine knocking and damage to the fuel system depending on the car....