89 Octane Results
89 Octane Results
I've had my truck for 5 days. I love it! When I bought it they gave me a full tank of gas. I assume it was 87 octane. I drive 70 miles one way to work every day. fortunately, work pays my gas. I was getting 16.5-17 mpg on that tank. I refilled with shell 89 octane. I've been getting 18-18.5 with it. Same driving conditions and mph. Is this normal for a Dodge Ram?