Originally Posted by Cyril Baldwin
By the way, what kind of fuel does Upsolute recommend? I've been putting 93 octane on mine eversince I got the car
They recommend 91 octane or higher. Same as stock. The primary reason we need to run 91 or higher octane is because of the 10.0:1 compression ratio. Lower octane fuel could predetonate (ping) and cause damage to the pistons and valves.