Thread: What is the best size prop for a 1989 Sport 20 with 200hp blackmax merc?
View Single Post
  #3  
Unread 03-07-2011, 10:12 PM
CharlestonSC CharlestonSC is offline
Member
  
Join Date: Apr 2009
Location: Greenville and Charleston/SC
Posts: 82
Default
WOT is 5900 RPM at 43mph normaly I cruise about 4000 rpm at around 28mph so I thought the 21 pitch might bump my speed up a bit at the same rpm so that would improve milage.?
Reply With Quote