Replacement Engine Question

[steplift20]

whats wrong with my engine its a 150 mercury 1988 model year and runs perfect but with 3 people on bored and a ton of bait im lucky if i get her to go 32 mph
115 goes 45 something is wrong, and my prop is the right size 15x17 ppppeeeeerrffect

[reelapeelin]

Originally Posted by steplift20

whats wrong with my engine its a 150 mercury 1988 model year and runs perfect but with 3 people on bored and a ton of bait im lucky if i get her to go 32 mph
115 goes 45 something is wrong, and my prop is the right size 15x17 ppppeeeeerrffect

A 115 might push a V20 over a waterfall at 45 mph...