should i hold out for a early 360 for my stroker?

OK...I have a 79 Chrysler 300 'premium' 360 block and a 99 5.9L Magnum block...both std bore...going to build a 408...Whick block should I use???
Plan on roller hydraulic lifters either way...Thx

You should have them both sonic checked for cylinder wall thickness and choose the best one.