Chevy's iron-age masher of FEs and Fire Powers, Speedway Motors Racing Engines' shop honcho Zach Woods donated a well-used 454 block, which was bored 0.060 inch to 4.310 inches then assembled with ...

We test a variety of header sizes and types from Hooker on a 427ci big-block Chevy to show power trends and performance advantages. Tests include 1 ¾-inch long tube, 1 7/8-inch long tube, 2 ...

However, users online have reported that GM Parts Direct once offered a conversion kit that allowed the use of a 502 big block in place of the stock 454 in 1991-1993 C-10-through-30-Series Chevy ...