Big block Chevy crate engines include the familiar 427 ... the HT502 represents a fine alternative to either the 8.1L Vortec or the venerable 454. The next rung on the 502 crate engine horsepower ...

Chevrolet introduced its big block 454 in ... The 7.4 Vortec powered various motorhomes, heavy-duty GM trucks, and cargo vans from 1996 to 2001. The Ford 429 Boss big block engine shares an ...

GM's LS engines were designed for high-end Chevrolet Corvettes. Vortec engines ... 4.25-inch diameter cylinder bore as the venerable 454 cubic-inch big block. However, its longer crankshaft ...