Hi,
I have a 1989 VIP 1850 BR with a 4.3L V6 2BBL running with a HighFive 19" prop.
Last summer at WOT with light load it hit 40MPH @ 4.500 RPM.
This winter I have upgraded the intake and carb. to 4BBL to get more power, this should take it from 175 to about 200HK.
I took it for a test run...