Re: didn't use Permatex Thread Sealant when installing heads
There would be no reason to do what you are considering, it would accomplish nothing and make a mess. If the coolant sealant and heat cycles and re-torque doesn't work, you can remove the studs one at a time and seal the threads when you reinstall them. The thread sealant needs to be between the stud threads and the block threads. If there is any concern about the head gasket itself not sealing do a leak down test and see what it shows.
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