All articles tagged with #small block v8
GMC previews the all-new 2027 Sierra 1500, led by the luxury Denali Ultimate and capable AT4X, introducing sixth-generation Small Block V8 engines (5.7L and 6.6L), an enhanced TurboMax option, a class-exclusive Duramax diesel, and a 10‑speed transmission, while offering a tech-forward cabin with multiple large displays and hands-free Super Cruise; first models are expected to arrive late 2026.
GM is expanding its new small-block V8 lineup with a 5.7L/350 for the Silverado (replacing the 5.3L L83), a 6.6L/400 for the Silverado (replacing the 6.2L L87) and a 6.7L/LS6 (409 cu in) producing about 535 hp for the Corvette Grand Sport; the engines share a common block design and will be produced at Tonawanda, NY and St. Catharines, ON, with the LS6 already being assembled in Flint, MI. More specifics are expected as the 2027 Silverado goes to on-sale later this year.
Chevy's double hump cylinder heads, first introduced on the 1962 Corvette's 327 V8, became a benchmark in small-block engine performance, known for their large valves, small combustion chambers, and optimized fuel combustion, significantly influencing muscle car power during the 1960s.