Josh Assing wrote in message . ..
The recomended rpm's (high end) will be with the manufactures
documentation. If you don't have it you can get it from whoever made the
power plant.

Thanks -- I'll try to find them -- it's a mercruiser mcm 5.0litre "AlphaOne"
engine

If its this motor:

5.0 MPI - 260 HP


Then WOT=5000 rpm

att