Will this bore clean up, magnum head content too.

btw, the used and abused 8553PT gasket thickness is right at .050" on the fire rings. I think if I use 8553PT again I might spray them with something to help seal. Don't want these ******* leaks again...

pistons must be close to zero deck to be pumping 185-190psi 4 years ago (that was cold too). magnum chamber, i'm guessing it's the Mopar Purple cam 268/272- .450/.455 lift.