I have had a 1978 22 for 2 seasons. Water is always in the bilges up to the battery holder but never higher. I pump it out - back by next day. After pumping I see immediate imperceptible flow from the stern. When I hauled out last fall I left the water in to see where it would it come out. No sign of water leaking out anywhere. I raised the bow as high as I could. No sign. But I suspect the lower rudder pintle as the boat sits low, possibly due to the 9.9 4-stroke which is heavy and the kick-up rudder which is also heavy and of course the water which has flowed in after 1 day. I cannot take off the pintle as a previous owner jammed a large block of styrofoam under the cockpit rendering access impossible from either locker. The only thing I can think of is to caulk around the pintle plate and across the bolts to try and make it watertight. Any suggestions anyone? Barry