My K9 has almost a gallon on it now and is really starting to come alive. It runs consistantly in the 205-210 range and has really good rip. I am going to start leaning it out now and get it tuned for max power and see what it will do. I am running it in a MBX6 with the 2045 pipe and 192 header and have no complaints at all running against OS Speeds, Reedys and JLs.