Originally Posted by CC2MC
I am guessing that my LT-1 recommends 89, but she runs just fine on 87. There is a gas station just up the road from me that has no ethanol 87 so that is usually what I put in it. It is about 20 cents more than regular with ethanol, but to me it's worth it to get more gas in your tank.
My MC manual requires 89 or higher. Does anyone know if a lower octane (87) gas will have a negative impact on the engine or just have slightly reduced performance?