[rhody98]

I did something similar to this on mine. Bottom two bolts I could thru-bolt but top two would have come out through the back seats (Seafari). That doesn't make for a comfortable ride. I didn't like the idea of lag bolts so I drilled the top two at a diameter large enough for head of bolt to fit in and stopping short of holing thru. Gouged a shear key (enlarged groove about an 1" in), then epoxied the bolt in head first to act as a stud. Seems OK, can't imagine getting them out w/o ripping the transom open.