The LT1 has been announced as making "450+ hp". A 5.3 = .85 of the 6.2's displacement. Simple (?!) math would say a 5.3 built/tuned similarly to the LT1 "should" make at least 385+...perhaps more...with undoubtedly better mpg. considering the coming trannies that will be available, combined with lighter Curb Weight and improved aero considerations.
|