Although all of Chevrolet's siblings of the period (Buick, Cadillac, Oldsmobile, Pontiac, and Holden) designed their own V8s, it was the Chevrolet 305 and 350 cu in (5.0 and 5.7 L) small-block that became the GM corporate standard. Over the years, every American General Motors division except Saturn and Geo used it and its descendants in their vehicles.
In 1991, GM created a new-generation small-block engine called the "LT1 350", distinct from the high-output Generation I LT-1 of the 1970s.
Vortec 8100 Big Block V8 Outpowers Competitor’s V10s
The Vortec 8100 (L18) is essentially a new engine. Nearly 80 percent of its parts have been redesigned. Yet, its foundation is one of the most celebrated engine components in automotive history, GM’s Big Block V8. The Big Block even competes against diesels in highly demanding marine and industrial applications – in essence giving Silverado and Sierra HD customers a lot more truck engine for the money than they realize.
The new Vor