I had a bunch of those 1989 454 TBI, 1988 350 TBI, 1997 CPI, 1991 TBI. No way way were they better than my 02, 17 and my current 6.6. Intake leaks, injector problems, TBIs warping, 700R4 crap, Turbo 400, 60 mph just over 3000 RPM. The big block truck got an engine at 54,000 miles. People forget...