Water leaking in bilge: 1990 4.3L Cobra, found clamp in Bilge

HVSTRINE

Petty Officer 3rd Class
Joined
Dec 11, 2008
Messages
78
Hey guys, long time since I've posted. Boats been sitting in the garage for 7 years and finally got it out and after many hours back on the water. Unfortunately water is leaking into the bilge at a fairly fast rate and it looks like a water fall from the bottom of the plate on the inner side of the transom. I've read a bunch of the other posts about rotted transoms. The thing is I found a hose clamp in the back of the bilge when I was standing on my head looking for a leak. the screw was gone in the clamp. probably about a 6 inch clamp? Is there something back under there that takes one of those big clamps? The big pipes on the sides seem to have all of their hose clamps.
 
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