The Chevy 6.0L Vortec is one of the most successful and widely-deployed truck engines in modern American automotive history. Built on the GM Gen-III and Gen-IV LS small-block V8 architecture (sharing fundamental design with the LS1, LS6, LS3 sport engines), the 6.0L Vortec has powered millions of GM trucks, SUVs, and vans since 1999. Available in multiple variants ranging from the workhorse LQ4 to the high-output LQ9 to the modern L77 with active fuel management, the 6.0 Vortec delivers a proven combination of torque, durability, towing capacity, and excellent aftermarket support. The 6.0 Vortec is also one of the most popular engine swap candidates in the entire enthusiast community, fitting easily into classic Chevy and GMC trucks, hot rods, kit cars, and even modified Mazda Miatas and Datsun 510s.
| Detail | Description |
|---|---|
| LQ4 (1999 to 2007) | The original 6.0L truck engine. 300 to 325 hp depending on year. Iron block, aluminum heads. The most common 6.0 you can buy used. Heavily favored for boost builds due to 4-bolt mains. |
| LQ9 (2002 to 2007) | High-output 6.0L truck engine. 345 hp at 5,200 rpm. Higher compression (10.0:1), better cam, used in Cadillac Escalade and select trucks. Highly sought after. |
| L96 (2010 to 2017) | Modern 6.0L truck/van engine. 360 hp at 5,400 rpm. Improved cylinder heads, variable valve timing on later years. Standard in heavy-duty trucks and 3500-series vans. |
| L77 (2010 to 2017) | Aluminum block 6.0L. 360 hp. Active Fuel Management (cylinder deactivation). Lighter weight option, used in Caprice PPV and select Holden Commodore SS. |
| LY6 (2007 to 2009) | Best-of-class 6.0L. 366 hp at 5,400 rpm. Improved heads and Variable Valve Timing. Used in heavy-duty trucks. |
The 6.0L Vortec is the swap engine of choice for millions of builders because:
| Item | Details |
|---|---|
| INCLUDED | Long block: block, crankshaft, rods, pistons, camshaft, lifters, heads, valve train, oil pan, valve covers, intake manifold (sometimes), harmonic balancer. |
| NOT INCLUDED | Throttle body, ECU, harness (sold separately), alternator, starter, A/C compressor, power steering pump, flywheel/flexplate, motor mounts. Some accessory drive components vary by donor. |
| Fluids | Drained before shipping. Refill with 5W-30 motor oil meeting GM dexos1 spec. |
| Core Note | No core charge. You are not required to return your old engine. |
The 6.0L Vortec was a direct fit in the following vehicles:
| Vehicle | Compatibility |
|---|---|
| Chevrolet Silverado 1500 / 2500 / 3500 | 1999 to present (different variants by year) |
| GMC Sierra 1500 / 2500 / 3500 | 1999 to present |
| Chevrolet Suburban 1500 / 2500 | 1999 to 2014 (LQ4, LQ9, L96 variants) |
| Chevrolet Tahoe | 1999 to 2014 |
| GMC Yukon / Yukon XL / Yukon Denali | 1999 to 2014 (LQ4, LQ9 in Denali, L96 in HD) |
| Cadillac Escalade / EXT / ESV | 2002 to 2014 (LQ9 in early Escalade, L96 in HD variants) |
| Chevrolet Express Van | 2003 to present (L96, LY6) |
| GMC Savana Van | 2003 to present |
| Hummer H2 | 2003 to 2009 (LQ4 6.0L) |
Common 6.0 Vortec swap applications: 1947 to 1972 Chevrolet C/K trucks, 1973 to 1987 Chevy/GMC squarebody trucks, 1988 to 2000 OBS Chevy trucks, classic muscle cars (Camaro, Chevelle, Nova), kit cars, Mazda Miata LS swap, Datsun 510 LS swap. Aftermarket swap support is excellent (Holley, Hooker, ICT Billet, Speartech, BTR all make swap-specific parts).
Every used 6.0 Vortec we ship goes through this process:
Where donor mileage is verified, it is shared. Where mileage cannot be confirmed, we disclose this openly before payment.
| Engine Model | Chevy 6.0L Vortec V8 |
|---|---|
| Engine Family | GM Gen-IV Small-Block V8 (LS family) |
| Configuration | V8 | OHV | 16 valves | Pushrod |
| Displacement | 6.0 liters (364 cubic inches) |
| Bore X Stroke | 4.000 in x 3.622 in (101.6 mm x 92 mm) |
| Camshaft Type | Hydraulic roller (Part 12626660) |
| Camshaft Duration | 193° intake / 200° exhaust at 0.50 in lift |
| Valve Size | 2.000 in intake / 1.550 in exhaust |
| Crankshaft Material | Nodular iron (Part 12588613) |
| Connecting Rods Material | Powdered metal (Part 12649190) |
| Cylinder Block Material | Cast iron (most variants) | aluminum (L77 | LY6) |
| Cylinder Head Material | Aluminum (Part 12629062) |
| Fuel System | Sequential PFI |
| Fuel Type | 87 Octane Regular |
| Power | 300 to 366 hp depending on variant |
| Torque | 360 to 380 lb-ft depending on variant |
| Application | Chevy Silverado | GMC Sierra | Suburban | Tahoe | Yukon | Express | Savana | Cadillac Escalade |
| Variants | LQ4 | LQ9 | L96 | L77 | LY6 |
| Compatibility | Vortec 6.0 Crate Engine for GM trucks and SUVs | popular swap engine |
Installed the 6.0 Vortec crate engine in my Silverado and couldn't be happier! Noticeable power boost and smooth performance. Highly recommend!
Thrilled with my purchase of the 6.0 Vortec crate engine. Significant power gains and easy installation. Find Auto Parts delivered top-notch quality.
Every used 6.0 Vortec engine sold by Vaz Auto Solutions is covered by a 15 day replacement warranty from the date of delivery.
To file a claim, contact us within 15 days of delivery at (240) 301-0095 or support@vazautosolutions.com.