The bilge on my 28 Glasply with twin shafts is seeping at the rate of about 4inches a day. I've checked the shaft drippage both out of gear and engaged. My exhaust is dripping some but not enough to add up to 4 inches. Anyway, I'm going to haul it out and change the exhaust hoses as well as the shaft hoses (that connect the stuffing box and the shaft log.) Does anyone know if the hoses are just standard stuff or are they some type of marine grade? Thanks.......