Cavitation issues

[Airboater]

I seem to have cavitation problems running V6 grearcases on take off , dosent matter if its a omc or merc same problem ,but every time I swap back to the V8 case it works fine ,I've spoke with a few others that seem to have the same problems .

[roadkill636]

cavatation? OR ventalation?

[Airboater]

all I can tell ya is it looses its bite getting on plane with any V6 case ,

[roadkill636]

need more info,,,what motor,prop pitch, propshaft height???

[Airboater]

need more info,,,what motor,prop pitch, propshaft height???

V8 rude ,16 mid ,27SRX prop shaft even with bottom ,dosent matter if I run the V6 OMC coned case or the current 2 hole cle, works great with the coned V8 case.