toby, that's funny you used to have a 18.10and bro has 20.8 ,my cuz has 20.8 ihave 20.2 with 300 his bro just picked up 20.2 with big block ford and omc drive ,first time out blew drive apart. boatmaster just finished building him another . i think your gonna want to try a four blade prop ,such as a spinnelli or that new lightning et that's coming out soon ! (TUNNEL T )
I still have a 23" five blade stainless prop in perfect condition. Great hole shot. If anyones interested, make me an offer.