In a message dated 11/8/2002 10:39:50 PM Pacific Standard Time, geo3@earthlink.net writes: > Twenty hp? How do these people sleep at night? you might could get 20hp, but you'd be running some REALLY high octane to keep from blowing up. IF it worked on a linear scale, you be somewhere around 25* to get a 20hp increase. -=oO but that's just a guestimate