Pulling motor

trying not to do more than needed but dont want them to start just going every so often. There are a few
If it just to make it run, then I'd carefully pry out the old ones with the engine in place and put in the rubber ones.
I cannot get the ones out from under the engine mounts or above the bell housing. If it were only 1 freeze plug and it was accessible then by all means yes but its 4 or 5 of them in the worst spots so mind as well pull it