How Do I Identify My LS Engine Block?

How long do LS engines last?

250-300KLS engines can last 250-300K if properly cared for (and that’s not hard, I just mean change oil, see to coolant levels, etc.).

Why are LS Motors so good?

1. Size/Weight of LS engines. … The main reason that they’re such a compact V8 engine is because of their “old-school” pushrod design, as well as all of the modern designs they used when designing the engine block. The push-rod design that they continue to use is unlike almost all modern engines that have overhead cams.

Which is better ls2 or ls3?

But, the most obvious difference between the two is the displacement. The LS2 has 6.0L of displacement, and is technically was the first Gen IV Chevrolet engine. The LS3, on the other hand, has 6.2L of displacement and is also Gen IV Chevrolet engine. … To no one’s surprise, the LS3 heads are better than the LS2 heads.

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.

Is a Vortec engine an LS?

Although Vortec engines are “LS” based they are NOT LS engines IMO. Besides most Vortec’s being iron block, as seen above there are some serious size differences and considerations depending on your project. VORTEC ENGINE IN CARS: For the most part, it will be challenging to put a Vortec truck engine into a car.

Where are LS block casting numbers?

241 castings (the casting number is found near the corner of the head) are the most common since they were used on every 4.8L and 5.3L truck engine as well as the early LS1s. The LS1 heads have 67cc chambers with 2.00/1.55-inch valves.

What is the best LS engine to build?

If it is a large bore that you crave, the 6.0L blocks (LQ4 and LQ9) are the best of the Gen IIIs. These iron anchors were used in the heavier duty trucks, SUVs, and vans. Unlike the 5.7L aluminum blocks, which only take a light hone, the 4.00-inch bores could be enlarged . 030 over like a typical small-block.

Are 5.3 and 6.0 cranks the same?

due to stroke differences and each had different casting numbers. … The 6.0L crank has the same stroke (92mm) as the 5.3L and 5.7L cranks.

What does LS stand for on Chevy engines?

Luxury SportAnswered March 12 · Author has 55 answers and 23.2K answer views. LS is the designation for base model (Luxury Sport) where as LT is luxury trim. The LS family (1–9) are GMs standard small blocks created as a replacement in 1995.

How much does an LS engine cost?

A complete new LS1 engine, including everything but the computer, is $4900. A complete new LS6 engine, again with everything except the computer, is $6300. Additionally, what LS engine has the most horsepower? The LS2 is one of the most adaptable engines, as LS1, LS6, LS3 and L92 cylinder heads work well on it.

What is the difference between LS and vortec?

The Vortec truck harness has a large portion up on top of the intake manifold, is supported by it, and is covered or hidden by the plastic engine cover. The LS engine harness is configured much differently and the intake manifold is exposed and uses valve covers to dress up the engine.

How much HP can you get out of a 6.0 LS?

The engine was first run in naturally aspirated trim. So equipped, the Big-Bang 6.0L produced 529 hp at 6,800 rpm and 457 lb-ft of torque at 5,100 rpm.

Which LS engines have aluminum blocks?

With the noted exception of the early LQ4 engine, all LS engines have aluminum cylinder heads. The LS2 and L76 are noteworthy in that they are both Gen IV 6.0L aluminum block engines, and that they came from the factory in both cars and trucks.

What year LS motor is the 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…•