The Gen III LS1 engine factory-installed in '98-'02 Firebirds, '04 GTOs and the Gen IV LS2 between the fenders of the '05-'06 GTOs are excellent powerplants. Current LS2 engines are rated at 400 hp ...

Moses Karomo is an enthusiastic automotive writer who can talk and write endlessly about cars. He has extensive automotive reporting experience, writing about all manner of automotive topics. He keeps ...

2005: The biggest change in 2005 was the replacement of the LS1 engine with the LS2 engine. The new 6.0-liter unit produced 400 horsepower and 400 lb-ft of torque, making the GTO a beast with a 0-60 ...

Earlier this year, we began a LS2 testing program at Dan Millen's Livernois Motorsports, one of our favorite Detroit area speed shops. In case you are just tuning in, the LS2 is the amazing, pushrod V ...

Chevrolet started making small block V8 engines all the way back in the mid-1950s and has had many different generations in that time. For over 40 years, Chevrolet made different sizes and variations, ...

In 1963, John Z. DeLorean gathered a group of engineers at General Motors’ Milford Proving Ground to test a prototype 1964 Pontiac Tempest. What made this Tempest a prototype was the 389 cubic-inch ...