I have a 2001 Bayliner Ciera 2855Si with a "dead" 310hp 7.4L MPI/Bravo III with 2.2 ratio and ran 15.75"/14.25" props x 22" pitch. I bought it like this, so have no idea if this combo worked well or if it was original. It only had 310 hours from new and risers had rusted out and leaked water...
