manufacturers WOT rpm ?

[DGIFF396]

anyone know the max suggested wot rpm for a mercruiser 470(170 hp) so I can figure out my best prop setup. Its a 1979 with a pre alpha mercruiser outdrive on a 17 foot fiberglass lund bowrider

 

[DGIFF396]

Re: manufacturers WOT rpm ?

around 4500 right?

 

[Don S]

Re: manufacturers WOT rpm ?

Had to go find my Service Manual #3, 3800-4200 Max WOT RPM for the 470.

 

[DGIFF396]

Re: manufacturers WOT rpm ?

Thank you VEEEEEEEEEEEEry much.... now I know where to go from here with being easy on my engine and propping it