Are LQ4 and LQ9 blocks the same?
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. The LQ4 piston is dished where as the LQ9 is a flat-top increasing compression to 10:1, and HP to 345 factory.
Is an LQ9 an iron block?
Chevrolet Performance 12679002 – 6.0L LQ4 LQ9 Cast Iron Bare Block. Build the ultimate LS street performer with the new Chevrolet Performance 6.0L LS cast iron engine block. This block is based of the LQ4 and LQ9 Truck and SUV’s equipped with the 6.0L engine without Active Fuel Management.
What is a 408 block?
Short blocks include block, crank, rods, pistons, file fitting of rings, tolerance check of all bearings and final assembly. This engine is dependable and durable. There are also many upgrade options for more hp and performance.
How much horsepower does a LQ9 6.0 have?
345 hp
LS Family: Gen. 3, 6.0L, Iron Block, Truck Engines
| Performance Specifications | |
|---|---|
| Compression Ratio | 10.1:1 |
| Horsepower Rating | 345 hp |
| Torque Rating | 380 ft./lbs. |
What year was LQ9?
2002
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.
What is included in a GM LQ9 short block?
The standard price includes a fully-assembled GM LQ9 short-block with a 4.00″ stroke crankshaft with your choice of 24X or 58X reluctor wheel. The standard price also includes your choice of Wiseco, CP Pistons, Diamond Racing, or Mahle pistons. All pistons will use a 2618 forging and feature their proprietary ring pack.
Where can I find the Best LS LS2 LQ9 408 Stroker short blocks?
CNC-Motorsports offers the best selection in LS LS2 LQ9 408 stroker short blocks. Our short blocks are in high demand among racers of all types worldwide. We use the best name brands such as Dart, Callies, Lunati, CP-Carillo, Eagle, Scat, JE, Diamond, Mahle and Manley just to name a few.
When did the LQ4 engine come out in the truck?
The LQ4 engines were produced for the 2001-2007 Trucks. The LQ4 is one of the most popular engine swaps with its larger displacement and its cast iron block that will support big power!
What kind of engine is in a Chevy LS block?
Build the ultimate LS street performer with the new Chevrolet Performance 6.0L LS cast iron engine block. This block is based of the LQ4 and LQ9 Truck and SUV’s equipped with the 6.0L engine without Active Fuel Management. This block is the proven choice for street LS supercharged and turbo power packages.
