How many inspection ports are needed to dry out a sunfish?

I have a 76 Alcort sunfish that was gifted to me and I think it may be a bit heavy and water logged. Not sure but I've re-fiberglassed a few dings. I plan on putting in a 6" inspection port by the coaming and use a computer fan to circulate air based on youtube and other forums. My question is: Should I do two ports (forward and aft) or is one good enough? I'm confident in the process but want to limit the number of holes I add to the boat. Any advice is much appreciated. I'm new to sunfish...

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