In a message dated 5/16/04 9:31:16 PM Eastern Daylight Time, GYoungwolf@aol.com writes: << Just wondering if a solid pulley is okay for a 140 HP engine vs. an harmonic balancer? Thanks, Grant >> You'll get a lot of flack about this, but here goes. I believe that the solid pulley will be just fine if you don't constantly drive at a constant speed at the harmonic(4500rpm) for long periods of time. Warren