Is the LQ9 or LQ4 better?
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.
How much power can a stock LQ9 handle?
The LQ4 and LQ9 have very strong blocks. They can handle over 1,000 hp.
How much horsepower can a LQ9 make?
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 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. |
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.
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).
What LS is best for boost?
If you’re planning on boosting your project the 4.8L truck engine will be perfect for you. The 4.8L can take insane amounts of boost completely stock and will really perform well. If you don’t want a barebones 5.3L or 4.8L you could always step up to a 6.2L truck block which is based on the LS3 engine.
How much HP can stock 6.0 Heads handle?
In fact, the 6.0L’s block, rotating assembly and cylinder heads can support roughly 700rwhp in stock form.
How much horsepower does a 6.0 LQ4 have?
6.0L Vortec 6000 Engine Specs (LQ4, LQ9, L76, LY6)
| 6.0L Vortec V8 Engine Specs | LQ4 |
|---|---|
| Horsepower: | 300 hp @ 4400 RPM |
| Torque: | 360 lb.-ft. @ 4000 RPM |
| Bore and Stroke (in / mm): | 4 x 3.62 / 101.6 x 92 |
| Compression Ratio: | 9.4:1 |