Is the LY6 a good engine?

After installation of the LQ9 cam, the LY6 6.0L proved to be a decent performer, producing peak numbers of 443 hp and 467 lb-ft of torque. Torque production exceeded 450 lb-ft for a 1,000-rpm spread. For guys looking to upgrade their iron horse 6.0L truck engine to LS3 status, the gains were pretty impressive.

How much HP can a LY6 handle?

The LY6's Gen. 4 rods are stronger than the Gen. 3 rods and have full floating pins. They can handle about 800 hp and 7,000 rpm in boosted applications (at least for a while).

What is the difference between LQ9 and LY6?

The LQ9 shared all the components with the LQ4, but featured flat-top pistons. The slightly higher compression LQ9 was factory rated at 345 hp and the same 380 lb-ft of torque. The rec-port heads used on the LY6 featured offset intake rockers. The two heads shared the same exhaust rockers.

What vehicles had the LY6 engine?

Applications. GM included the LY6 engine in several different vehicles for the 2007 model year. These include the Chevrolet Silverado HD pickup truck, the GMC Sierra full-size pickup and the three-quarter ton versions of the full-size GMC Yukon XL and Chevrolet Suburban SUVs.

Is the LQ4 a good engine?

These motors are capable of making a lot of horsepower, and respond well to upgrades like turbos, superchargers, high-flow cylinder heads, intake systems, cams, and nitrous oxide. The aftermarket is strong, crate engines are available, and used motors are often cheaply sourced through junkyards.

Which is better LQ4 or LQ9?

The ONLY difference between an LQ4 and LQ9 is the piston!

The LQ4 piston is dished where as the LQ9 is a flat-top increasing compression to 10:1, and HP to 345 factory. The LQ9 is a limited production engine and VERY desirable as it is the HO 6.0L and comes with a premium price.

What does LY6 mean?

The LY6 engine is a 6.0L Gen. 4 small block engine used in GM trucks and SUVs between 2007 and 2010. For marketing purposes, it was also known as the Vortec 6000. The engine specs and information listed here is for a stock LY6 engine.

Does LY6 have VVT?

The LY6 used Variable Valve Timing (VVT). This helped it make more Torque and Horsepower than the previous 6.0L engines. It was available in GM pickups until 2010. It was also available in vans, and SUVs until 2009.

How much power can a stock LQ4 handle?

The LQ4 and LQ9 have very strong blocks. They can handle over 1,000 hp. using nitrous, a blower, or a turbo. However, you will need to upgrade the internals to handle that kind of power.

What is the L96 engine?

The L96 engine is a 6.0L Gen. 4 small block engine used in GM trucks and SUVs from 2010 to 2017. It replaced the LY6 and added Flex Fuel capability. For marketing purposes, it was also known as the Vortec 6000.

What is an LH6 engine?

The LH6 engine is a 5.3L Gen. IV aluminum engine that replaced the LM4 in 2005. It was the first Gen. IV LS truck engine and offered Active Fuel Management (AFM). The LH6 was available in mid-size SUVs until 2009, and in GM pickups from 2007-09.

What is an L76 engine?

The L76—like its LS2 sibling—is a 6.0L, Gen. 4, aluminum small block engine that was used both in GM cars and trucks. The L76 is an adapted version of the LS2, featuring new rectangle port cylinder heads and Active Fuel Management (AFM). The L76 was available in the Pontiac G8 GT from 2007-09.

What year did the LY6 come out?

What Year Did The Ly6 Come Out? Launched in 2007, the LY6 is a type of microprocessor with powerful algorithms. As a result, its name has been changed to the Vortec 6000. In addition to the LY2, LY5, and LMG, this was the third generation of LS trucks.

How much HP does a LQ4 have?

There are two 6.0L iron-block engines out there, the LQ9 (345 hp) and the LQ4 (300-325 hp).

Is an LQ4 an LS2?

Yes an no they are the same bore and stroke but have some difference. Namely the pistons and compression ratio. The LQ4 has dished pistons and runs lower CR.

How can you tell LQ4 from LQ9?

The 6.0L LQ4 and LQ9 are iron blocks, only difference between them is compression ration. Only real difference is pistons LQ4 had dished and LQ9 had flat tops (yes rods were different on early LQ4 and 99-00 had iron heads) Only way to tell is look at pistons or vin of donor save for 99-00 with iron heads as its an LQ4.

Is an LQ4 an LS?

The LQ4 was introduced in 1999 as one of the first LS truck engines. It was available in GM pickups, vans, and SUVs until 2007. The LQ4 was also known as the Vortec 6000.

Does LQ4 have VVT?

Like the rest of the Gen 3 truck engines, the LQ4 used a 24x reluctor wheel and a three-bolt cam and didn't have AFM/DOD/VVT.

How do I get more power out of my LQ4?

How to Get More Power From Your LQ4 or LQ9

1. With iron block strength, they are the first choice for boost or nitrous applications.
2. GM made a bazillion of them which helps keep prices down.
3. Gen. ...
4. The heads flow similarly to LS6 heads, but have bigger chambers making them boost friendly.

Is the L76 aluminum?

The L76 is a 6.0L, Gen. 4, aluminum small block engine used in both GM cars and trucks from 2007 to 2009.

What heads came on a L76?

The Gen IV 6.0L (L76) is fitted with high-flow cylinder heads, based on those developed for the high-performance LS2 and LS6 car V8s. These heads have offset rockers, like those in the LS7.

Does the L76 have AFM?

They are equipped with Active Fuel Management (AFM) which was activated in the U.S. models.

Is the LC9 a good engine?

The LC9 is a technically advanced small-block V8 engine that delivers a great balance of power, torque and efficiency.

How much power can a LH6 handle?

The LH6 injectors were rated at 30 lbs. and won't support much more than 430 hp at the wheels. Luckily, you have many options. You will need an aftermarket injector that's 1.890 in.