Everything You Need to Know About LS, LSX, and Vortec Engines: Specs, History, Swaps, and More. ... This crate engine is rated at 533 hp and 477 lb-ft of torque. Steven Rupp.

GM's 320-horsepower LC9 engine had its fair share of issues related to oil consumption, ... the LC9 produces 326 horsepower at 5,300 rpm with peak torque of 348 lb-ft at 4,400 rpm.

A Quick Guide To GM's Ecotec3 5.3L V8 Engine: ... Operation and specs. ... The 5.3-liter Ecotec V8 produces 355 horsepower and 383 pound-feet of torque while providing fuel economy of 23 mpg ...

Since we are always talking about how economically sound these GM 5.3 LQ9 Engines are as an investment, we wanted to show you what you would need to do if you wanted to swap 1 into your project car.