Hi, I need 5mph more out of my boat. 65 glassparg3,77 85hp merc W/trim
runnin a 14x22 small ear chopper,cav plate 1" or so above the bottom of the hull.
Also I have some chine walk problems with a full load of fuel in the rear and centerd. it goes away when its down to 3-4 gallons
I dont know the gear ratio.
I know this boat is not the usual boat on this site but you guy's know everything?