I have a 1996 18' rinker bow rider with a v6 4.3LX mercruiser. It has an alumnium 17 pitch x 15" prop that goes about 45 mph but runs about 5700 rpms. Way too many rpms.
A guy has a stainless steel 13 3/4 x 21 pitch. That 13 3/4 is alot smaller than my 15".
How will this run???