The LS1 shares little other than similar displacement and external dimensions with the earlier small-block V8 engines. It is an all-aluminum 346 ci (5.7 L) push rod engine and produces 350 hp (261 kW) and 375 lb-ft (508 Nm) of torque, depending on the application. Beginning in 2001, the LS1 received the higher-flowing intake from the LS6, and a smaller camshaft to keep power at the same level; this also allowed GM to remove the EGR system.


The block is very similar to that of the higher-output LS6; beginning in 2002, some LS1 engines were actually built using the LS6 block instead. The LS1 was on the Ward's 10 Best
Engines list for 1998.

LS1 Application:

1997-2004 C5 Corvette base model
1998-2002 Chevrolet Camaro Z28, SS
1998-2002 Pontiac Firebird Formula and Trans-Am 2004 Pontiac GTO


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Southern Performance Systems, founded in 1974, can provide you with Bragging Rights under you Hood with our years of Experience and Knowledge. We specialize in LS Series Fuel-Injected Engines that provide great Performance and still get great Gas Mileage. Looking for a 5.7L Hemi, 6.1L Hemi, or 4.6L Supercharged Cobra Engines? Then we’ve got you covered. Unlike other engine suppliers, we offer you a Complete Turnkey Engine Package which includes either an Automatic or Manual Transmission. Looking for that extra “Boost” in Power? We carry the complete line of Magnuson Superchargers, plus our own Custom Blowers that are unavailable anywhere else. Magnuson is Famous for having the only non-power robbing units on the market. They are reliable and can be driven on the street every day. Do you want to customize your Turnkey Package specifically for your Hot Rod with paint, polishing, harnesses and ECM programming? No Problem! We can do it! We can supply you with a Stock 4.8 Liter 285 Horse Power Engine to a Custom Supercharged LS Series 427 pushing 800 Horses that can still be street driven. If you like to be able to go fast and look good doing it then give us a call and see what we can build for you

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