Which block is better for 550 hp build 428 vs 455

Asked by Brian May 27, 2021 at 03:02 PM

Question type: Car Customization

Hello building a 550 hp pontiac..what
block is best to use 428 or 455 to build
550hp.car had a 455 if use 428 block
need to move motor mounts car is a
78 trans am Thanks

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