Thermostat gasket leaking AGAIN!!!!

the 30 kinda surprised me, i was expecting 15
i got it back together and did the 15lbs that i seen on here the most, but if i need to go tighter is the aviation sealer forgiving enough to torque tighter after it is dry?
i see in my manual it says 30ft-lbs, other folks on here are recommending lighter torque as well, one said make sure to torque the proper inch lbs.....
someone even said they just tighten it and never torqued to a spec.
so i guess what is recommended?
why would the manual say 30ft-lbs if almost everyone on here thinks that is to much?

i would think that ma Mopar would have the correct number being they engineered it.......but maybe it was engineered for different gasket material back then??? just another thought
That goes with my recommendation to get all the junk out of the hole.

If you put the bolt in the hole and tighten it till it stops turning ( don't tighten too much or you can crack the manifold) measure the distance from the underside of the bolt head to the manifold.

Then measure the thickness of the t stat housing.

The bolt to manifold distance has to be less than the thickness of the t stat housing.
i cleaned the holes and ran a tap down them to make sure they were all clean, and that gave me a a thread or 2 more i believe.

30 ft lbs?! No way in hell I go that tight. Not even half that
what do you recommend and why?
if that is what the manual says then why would it not be correct?

AND thanks to everyone one here for the info and help, i hadn't thought of a few things that were pretty obvious and basic, but I get stuck in the grind sometime and then get frustrated and overthink/overlook things.