I have a 360 from 1975-76
It`s been bored .060 (371 Isn`t it)
Mopar P4529424 Pistons about 9.5 cr
It Has a Crane 278/290 Hydraulic cam.
Original cast iron "974" heads.
theese will be seriously ported and 2.02 intake valves.
perhaps an increase of cr with thinner gasket and machining...