Quick Answer: What Is LSX Engine?

Which LS engine is best?

Best LS EnginesLS9/LSA: Made for the 2009-2013 Corvette ZR1, the LS9 is a supercharged 6.2L engine rated at 638 horsepower — the most powerful of all small blocks.

LS1: This is the one that started it all.

LS7: Introduced in 2005, the LS7 sported 427 cubic inches, making it the largest small block ever.More items…•.

Is the 5.3 a good motor?

The 5.3L V8 Vortec 5300 considered as an engine that is extremely reliable. In fact, many vehicle owners with the engine report having the engine run without minimal issues up 220k miles. Additionally, the engine blocks are very bulletproof too.

How much HP can a 5.3 LS make?

The stock 5.3L is factory rated around 320 hp with 340 lb-ft of torque.

How much HP can a 5.3 Vortec handle?

Capable of supporting over 750 hp each, they were more than adequate for our twin-turbo 5.3L.

How much HP does a LSX engine have?

LSX Performance Specs The engines as delivered have a max horsepower of 450 at 5900 RPM and peak torque of 444 lb-ft at 4600 RPM.

What is the difference between an LSX and a LS?

Both blocks are both based on the production LS7 engine, but their biggest difference are the material used for casting the block. The LS7. R is aluminum while the LSX is a cast iron. … The C5R block uses many of its design features and is for sale through GM Performance Parts.

What is a LSX swap?

An “LS swap” is an engine switch and installation. The “LS” can mean any engine made by GM from a factory truck 4.8 to GM’s popular LS3 or LS7. … Choosing an engine all comes down to what your particular goals are in making an LS swap and how much you want to spend.

Is a 5.3 an LSX?

These range from 5.3L truck engines; to race versions of production engines; to the LSX which was never sold in a production vehicle.

What does LSX stand for?

The LSX (note the capitalized “X”) is a race variant of the lightweight LS7 engine. This 7.0L (427ci) version of the Gen IV small block went into the 2006 Corvette. In contrast to the ‘vette motor, the LSX has a cast-iron block that handles a lot more horsepower.