On the new Volvo SX drive with the original prop (no hits on drive or prop!!) there is a slight rubbing noise when you rotate the prop by hand from the area where the outer hub of the prop extends into the gear case. There does not appear to be much clearance between the prop and the gear case. It rubs in 1 or 2 spots per rotation. Is this ok? Is the original prop casting a little deformed in this area? or gear case? Any help before I bring it to the dealer (new boat I never hit the prop on anything everything looks brand new!!)<br /><br />Thanks