wot rpm's for mercruiser 165

Does anyone know the WOT RPM's recommended for 165 hp Mercruiser. It is a 1971 straight 6 (gm 250 cid?) Seem to get a range of 4-5000. I am fixing to reprop and would like to get a good hole shot for skiers. Currently I run WOT at 4200RPM; 32mph; 14.75 x17

thanks,
chuck

[rjdybus1]

I have a 1972 250cid L6 165 HP in a 21' Browning, now my book shows (WOT) with my 15 1/4 X 17 pitch 4 blade prop should be 3700 to 4200 RPM, hope this helps ya I get about 39 MPH at about 4050 RPM.........Hope this helpa ya,
Rich