The coolant pressure cap is like 13 psi or so, so if she holds 15 she’d be good to go.
Pre-loved '84 C-30 ftrkbs mk-I CTYN3573M84E w/a '83 M-25 s/n 411323
Lake Norman NC; Formerly Buffalo Harbor NY
Twenty years from now you'll be more disappointed by the things you didn't do, than by the ones you did. So throw off the bowlines. Sail away from the safe harbor. Catch the trade winds in your sails. Explore. Dream. Discover. - Mark Twain