I just finished installing a 7HP Briggs into my Manco Red Fox, which has a Comet 30 clutch and 6" 30 series driven pulley. My buddy has an 8HP Briggs in his Manco Dingo with a Comet 40 clutch with a 7 1/2" driven pulley.
We were playing around yesterday since I was excited to see if I was...