Well in the 90's, Ford used Hypers in the Supercharged Thunderbirds. They also ran 9:1 compression on these 3.8L V6 engines. The old Turbo 2.3L 4cyl that came in the SVO Mustangs and thunderbirds were forged and 8:1. I've blown up 2.3L and never broke a 3.8, just saying.