The LQ9 was an improved, high-output version of the LQ4. It was introduced in 2002 for the Cadillac Escalade. It was available in the Escalade and GM pickups until 2007. The LQ9 was also known as the Vortec HO 6000 or the VortecMAX.
What did the LQ9 6.0 come in?
The LQ9 is a 6.0L Gen. 3 small block engine used in GM trucks between 2002 and 2007. For marketing purposes, it was also known as the Vortec HO 6000 or VortecMAX.
How do I know if I have a LQ9?
There are NO embossed or etched exterior markings on the block or heads to indicate one over the other. There is a paper sticker applied to the back of the drivers-side head at time of manufacture that indicates the type of engine.
Is an LQ9 and LS2?
The LQ9 is a GEN III based engine, easily interchangable with LS1 cars and still interchangeable with LS2's with a few tweeks. LS2's have a different reluctor, and the cam sensor is on the timing cover.
What vehicle is the LQ4 in?
The LQ4 is a 6.0L LS (Gen. 3) small block engine used in GM trucks between 1999 and 2007. For marketing purposes, it was also known as the Vortec 6000.
22 related questions foundWhat does LQ9 stand for?
LQ4 and LQ9 were code designations for the General Motors Generation III 6.0-liter, V-8 engines that were used in the company's truck applications in the mid-2000s. These engines saw duty in several GM trucks in the Chevrolet and Cadillac product lineup.
How much power can a LQ9 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 Reluctor wheel does a LQ9 have?
Left image - 24X crankshaft reluctor wheel found on all Gen III V8 engines (LS1, LS6, LQ4, LQ9) and early Gen IV V8 engines (2005 LS2 Corvette, 2005-2006 LS2 GTO, 2005-2006 LS2 SSR).
How much does a LQ9 engine weight?
The engines weigh an average of 460 pounds each. A flexplate and accessories completes the outfit.
How much HP can you get out of a 6.0 LS?
If we were to run the 6.0L in stock trim, the resulting power output would be around 400 hp (on this dyno the way we test). If we apply 14.5 psi from our turbos to the stock 400hp engine, we might get 800 hp.
What vehicles had the LQ9 engine?
The LQ9 was an improved, high-output version of the LQ4. It was introduced in 2002 for the Cadillac Escalade. It was available in the Escalade and GM pickups until 2007. The LQ9 was also known as the Vortec HO 6000 or the VortecMAX.
Which LS engine is strongest?
LS9The most powerful production engine ever from GM, the LS9 is the 6.2L supercharged and charge-cooled engine of the Corvette ZR1. It is rated at an astonishing 638 horsepower. The LS9 uses the strengthened 6.2L block with stronger, roto-cast cylinder heads and a sixth-generation 2.3L Roots-type supercharger.
Does LQ9 have AFM?
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. In 2002, Chevy released a high output version of the 6.0 known as the LQ9 or Vortec Max engine. This engine can be identified by a letter N in the 8th digit of the VIN.
How much can a 6.0 LS block be bored?
The 6.0L block—used in the LQ4, LQ9, and LY6—is the most popular with hot rodders. It features a 4.000-inch bore and can be purchased brand new for $800. It can safely accommodate a 4.030-inch bore and is good for 421 ci when matched with a 4.125-inch stroke.
How do I know if I have LQ4 or 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.
What year did the 6.0 LS come out?
The 6.0L LS2 engine debuted in the 2005 Chevrolet Corvette C6, and was also immediately placed into several other General Motors products for the 2005 model year.
Is the LQ9 aluminum?
They are all aluminum heads. The LQ4 heads are iron I believe, the LQ9s are aluminum. I think it was only earlier year LQ4s, but I'm not 100%. I don't really keep up with any of the truck engines other than the LQ9 and the L92.
What year was LQ9?
Originally designed as a successor to the LQ4 in terms of output, the LQ9 produced the best results. The SUV made its debut in 2002 as a Cadillac Escalade. Escalade and GM pickup trucks could be equipped with it in the late '90s.
Is the L33 better than the LM7?
In terms of power, the L33 offered additional power over the LM7 cam but did not increase power as much as the LQ9. As expected, there was no change to idle vacuum, and cranking compression was within a few psi of the LM7. Though the L33 offered more power than the mild LM7, it's hardly worth the effort.
How much horsepower does a LQ9 have?
The LQ9 was introduced in 2002 for the Cadillac Escalade and was found in top-of-the-line trucks until 2007. It cranked out 345 horsepower, had 10.1:1 compression, and had other nice features like full-floating pistons.
How strong are stock LS rods?
Except for the LS7 and LS9, all stock LS motors rolled out of the factory with powdered metal rods. Although they're capable of standing up to 500 hp, the stock rod bolts become marginal at 6,500 rpm.
Can you put LS3 heads on LQ4?
Installing a set of LS3 heads and intakes is one of the most popular upgrades to the LQ4 and LQ9. LS3 heads are compatible with any LS block with a minimum of four heads. 000 in.
What is an L92 engine?
The L92 is a 6.2L Vortec engine used in the Escalade and several other GM SUVs and trucks. It boasts an all-aluminum design with traditional pushrod technology, but utilizes variable valve timing. It was rated from the factory at 403 hp and 415 lb-ft of torque.
What LS engine is aluminum?
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.
