Go there and search “LS engines” for a comprehensive collection of LS engine tech information. The data for this article originally appeared in this Chevy LS1 Engine Specs article at Summit Racing’s searchable database of FAQ tech info. Other Key LS1 Specs Throttle Body, Fuel Injectors, Oil Pan Specs & More ( Summit Racing’s Paul Spurlock and Brian Nutter contributed to this article.) GM LS1 Engine Specs The first engine on the list is the first GM LS-the 5.7L LS1 that appeared in the 1997 Chevy Corvette. Summit Racing has created a series of comprehensive guides for each engine in the LS family, so engine builders and tuners can have a handy reference for their projects. The aftermarket is strong, crate engines are available, and used motors are often cheaply sourced through junkyards. These motors are capable of making a lot of horsepower, and respond well to upgrades like turbos, superchargers, high-flow cylinder heads, intake systems, cams, and nitrous oxide.

Since LS and Vortec engines are so common, they’ve become the go-to performance and swap engines of the modern era. Mechanically similar, GM’s LS and LS-based Vortec engines wound up on almost every branch of the GM family tree: Chevy, Pontiac, GMC, Cadillac, Buick-heck, even Saab, Hummer, and Isuzu got some LS love. The LS1 engine specs and information here is for the stock LS1 engine. 3 small block engine from General Motors used in cars from 1997-2004.

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