Re: Toe rail refinish/rebed 1987 pearson
On my 1986 Pearson 33-2 the core ends at a tapered edge about 1 inch (if memory serves) before the inside edge of the toerail. I am pretty sure the 31-2 is constructed the same way.
Check out Mainesail's posts on properly rebedding deck hardware if you haven't read them before:
Bedding Deck Hardware With Butyl Tape
Re-Bedding Deck Hardware Photo Gallery by Compass Marine at pbase.com
Western Long Island Sound