prophead-inactive

I got an MVVS Q-500 .40 a while back for my v-vector and have been trying to do a little research on it and have heard just about enough to make me confused. From what I've gotten far as prop size is that these tend to like a little more compared to the nelson or jet due to the longer stroke. They develope their max power at a lower RPM,so it would'nt make since to try and get it to turn up screamin RPM like other engines delvelope their power, right? Also, I was wondering about fuel, because iv'e heard that they like lower nitro. Just trying to get it all straight, htanks for your help.

JOEY