carbon rotary valve

  1. moto17

    Rotary valve 787 Questions

    I just put in an new SBT 787 in my (1997 Challenger with one 787) jet boat and new carbs as well! Sooo the timing seems to be still off....I learned how to do it on this site and put in a new rotary valve form WSM ? hmmm it wont line up exactly right? it seems to be off just a little bit. The...