How do I tell what year my LQ4 is?
If the head bolts are of varying sizes, then you have an 03 and older 6.0L. If the head bolts are of all the same size, then you have an 04 and newer. And when you do take the heads off, it is a sure-fire way to discover if it is an LQ4 or LQ9. The LQ9s have flat top pistons–and the LQ4s have dish top pistons.
How do I know if I have LQ4 or LQ9?
The ONLY difference between an LQ4 and LQ9 is the piston! 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.
What generation is a 2003 6.0 LS engine?
The Generation IV 6000 is a V8 engine that displaces 5,972 cc (6.0 L; 364.4 cu in) from bore and stroke of 101.6 mm × 92 mm (4.000 in × 3.622 in). It features either a cast iron or aluminum engine block with cast aluminum heads.
Is a LQ4 an ls1?
The LQ4/LQ9 are essentially 6.0L, iron LS1s in regards to architecture.
What years were LQ4?
The LQ4 is a 6.0L Gen. 3 small block engine used in GM trucks between 1999 and 2007. For marketing purposes, it was also known as the Vortec 6000.
When did the LQ9 come out?
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 Gen is a 2006 6.0 LS?
Gen. IV LS & Vortec Engine Quick Reference Guide
| Generation IV | Liter | Code |
|---|---|---|
| 2007-09 | 5.3 | LS4 |
| 2005 | 6.0 | LS2 |
| 2005-06 | 6.0 | LS2 |
| 2006 | 6.0 | LS2 |
What Gen is a LQ4 motor?
What kind of engine is the LQ4 truck engine?
Meet the weapon of choice for big boost. The LQ4 and LQ9 are Gen. III, 6.0L, iron block, truck engines. The LQ4 served in anything from bread-vans and boats to SUV’s between 1999 and ’07. It started off life like any normal truck engine.
What are the specs of a LQ4 Vortec?
The Gen III LQ4 engine was capable of achieving 300 horsepower at 4400 RPM and 360 lb-ft at 4000 RPM, while the LQ9 was rated at 345 hp at 5200 RPM and 380 lb-ft of torque at 4000 RPM.
Which is heavier the LS1 block or the LQ4 block?
At 216 pounds, the block is 100 lbs. heavier than the aluminum LS1 block. Basic Bolt-On Upgrades for LQ4 and LQ9 Trucks are the everyday hotrods of the 21 st century. For a lot of people, it starts off with a cold air intake and aftermarket exhaust.
When did the Vortec 6000 LQ4 come out?
The LQ4 was also known as the Vortec 6000. 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.