What kind of engine does a Chevy LS2 have?
The LS2 is a Gen. 4, 6.0L, aluminum small block engine. The engine specs and information listed here is for the stock LS2 used in GM passenger cars from 2005-2007.
What is the difference between an LS1 and LS2?
In relation to the Gen III LS engines that came before it, the LS2 featured a slightly greater displacement value of 364.1 cubic-inches, over the prior LS1. The LS2 also featured an increase in cylinder bore dimensions from 3.90 inches to 4.00 inches.
Why are LS2 block engines so popular?
Because of the Gen IV LS2 block’s similarity to the Gen III blocks of prior years, many bolt-on parts are cross-compatible between the two. The LS2 even came fitted with LS6 era cylinder heads. This level of compatibility has made the LS2 quite popular among engine builders and performance modders alike.
Is porting the LS2 intake worth it?
Some of the issues associated with the LS2 intake can be solved by porting, but there's also a surprising factory replacement that's worth pursuing if you're dealing with an engine sourced from a car, rather than a truck.
What cars come stock with a LS2?
GM 6.0 Liter V8 Small Block LS2 EngineDisplacement:6.0L / 364 cu. in.Vehicles:Corvette C5, Chevrolet SSR, Chevrolet Trailblazer SS, Cadillac CTS-V, Pontiac GTO, Saab 9-7X AeroIntroduced:2005 model yearDiscontinued:2009Predecessor:LS1 / Gen 3 Small Block3 more rows
What heads come on the LS2?
There is a separate guide for the LS2 engine used in GM trucks. It's coming soon....LS2 (Car) Cylinder Heads.LS2 (Car) Cylinder Head SpecsIntake Valve Diameter2.000 in.Exhaust Valve Diameter1.575 in.Cylinder Head Bolt StyleTorque to Yield (TTY)Cylinder Head Bolt Size(10) M11 x 2 x 100, (5) M8 x 1.25 x 457 more rows•Dec 7, 2017
How much HP does a 6.0 LS2 make?
390-395 hp.LS Family = Gen. 4, 6.0L, Aluminum Block, Car EnginesPerformance SpecificationsCompression Ratio10.9 : 1Horsepower Rating390-395 hp.Torque Rating400 ft./lbs.Sep 12, 2017
How much horsepower does a stock LS2 have?
400 hpDelivered from the factory in the base C6 Corvette, SSR, GTO, or as a crate engine from GM Performance Parts, the LS2 delivers an honest 400 hp and 400 lb-ft of torque.
What LS engine has 243 heads?
LS6 enginesWhich LS engines have 243 heads? The LS6 engines from 2001-2006 have 243 heads. The LS motor with 243 heads is more powerful and efficient. GM's 243 heads were typically found in C5 Corvette and later on engines like truck specs LQ4 and LQ9.
How much HP can a LS2 handle?
850 horsepowerThe LS2 engine block has a 4.000-inch bore diameter. The cylinders can be bored to 4.030 inches. However, we recommend leaving them as thick as possible when running boost. The block can handle 850 horsepower.
What's better LS2 or LS3?
While the LS2 was provided with a 6-liter capacity, the LS3 receives an increased displacement of 6.2-liters. Despite the two engines having an identical stroke of 92.0mm, GM achieved an additional 12 inches of displacement by providing the LS3 with a larger bore.
Is LS2 all aluminum?
The LS2 was essentially an aluminum version of the 6.0L truck block with flat-top pistons, LS6 heads, and an LS1 cam. It is a great motor for swaps and stroker kits, due to its exceptionally long cylinder sleeves and the power potential of the larger bore. Unlike the iron block, it will only take a .
What does LS2 stand for?
LS2 Meaning1LS2Helmet, Motorcycle, Business1LS2Helmet, Corvette, Technology0LS2Helmet, Product, Business
Is a 6.0 A LS1 or LS2?
LS2 is designed with a 6.0L motor. Through this, it is able to flow enough air to be able to maintain 400 horsepower. For LS1, the intake is designed for a 5.7L and flows enough to keep a 350 horsepower. The latest model of the LS1 engine came with an LS2 intake, which has better horsepower.
Is the LS2 a good engine to build?
The LS2 also has the convenience of being one of the most adaptable engines, with the ability to fit LS1, LS6, LS3, and L92 cylinder heads. In summary, the LS2 is clearly the better all-around package from the factory.
How much power can a stock LS2 crank handle?
the stock crank can easily handle 800+ hp. There are some using them up to 1000 hp.
What is a LS2 engine?
The LS2 is a Gen. 4, 6.0L, aluminum small block engine. The engine specs and information listed here is for the stock LS2 used in GM passenger cars from 2005-2007.
What is the VIN number for LS2?
Note that LS2 engine specs differ, depending on which vehicle it was in. For LS2 engines, the 8th digit of the engine/vehicle VIN will be “ U ” for cars and “ H ” for trucks. If that 8th digit is neither a U or H, you probably don’t have an LS2.
Is the LS2 a VIN?
The LS2 is noteworthy in that it is one of only two LS-series engines (the L76 is the other) that came in both cars and trucks. The respective car and truck versions of the LS2 (and L76) came with different accessory drives, intake manifolds, and oil pans. They also had different VIN codes.
What is the LS4 engine?
Different from the rest, the LS4 is a transverse -mounted Gen IV 325.1 cubic inch 5.3-liter engine designed for the front-wheel-drive line up. These vehicles include ’05-’08 Grand Prix, ’06-’09 Impala SS, ’06-’07 Monte Carlo SS, and ’08-’09 Buick Lacrosse. Different from the 5.3 truck engine this block is aluminum with Ls6 style cylinder heads. Built as compact as possible, the LS4 features a flattened water pump, a different bell housing, a shortened crankshaft, and a redesigned front belt accessories. This engine produces 303 horsepower and 323 lb.-ft. of torque and has active fuel management (AFM). If you were to swap this beast into a mid-engine Pontiac Fiero you wouldn’t be disappointed.
How many bolts are in a LS1?
LS Engines have 6 bolt main bearing caps. LS1/LS6: This Gen III 346-cubic-inch 5.7-liter small block V8 was the first LS engine put into production under the hood of the 1997 Corvette. Later the Camaro and GTO also received this powerplant until 2004.
What is the difference between LS6 and LS6?
LS6 engines also had a more aggressive camshaft and better cylinder heads that bumped up compression to 10:5:1. The LS6 had a better flowing intake manifold, as well as other subtle changes such as injectors, valve springs, and exhaust. This made for a higher revving more powerful engine.
How much horsepower does a LS1 have?
Originally the LS1 made 345 horsepower and 350lb.-ft. of torque.
What is an LS7.R?
The LS7.R is the odd one out with an aluminum block. All other LSXs are built with a cast-iron block to withstand over 2000 horsepower with forced induction! You can order your LSX crate engine from Chevrolet Performance, or from any authorized Chevrolet Performance dealer.
What year was the LS6?
You can find the LS6 in the 2001-2004 Corvette Z06 and first generation (2004-2005) Cadillac CTS-V. LS2: This 364-cubic-inch 6.0-liter engine was the start of the Gen IV engines. Now don’t confuse this with the iron block 6.0 truck engine.
What generation is the LS engine?
There are two very different generations of the LS engine, which are the Gen III and Gen IV.
What is the LS2 engine?
When the LS2 engine showed up under the hood of the Chevrolet Corvette for the 2005 model year it represented a further evolution of GM's small block V8 engine design. Dubbed 'Generation IV,' the architecture was still recognizably similar to the Gen III LS motors that had come before it, but it featured a number of modernizations that would help bring the LS into the future. Most of the updates had to do with adding support for features such as active fuel management (cylinder deactivation), variable-valve timing, drive-by-wire throttle, and other electronic engine controls. Almost all Gen IV engines also moved to rectangular port cylinder heads, although the LS2 maintained the cathedral port design.
What cars have LS2?
In addition to the Corvette (where it would find a home until 2007), the LS2 was offered in the Pontiac GTO (2005-2006) and the Cadillac CTS-V (2006-2007). On the truck side, a slightly different version of the LS2 could be found in the Chevrolet Trailblazer SS and the Saab 9-7x Aero (2006-2009), as well as the Chevrolet SSR (2005-2006). As a footnote, iron block versions of the LS2 featuring active fuel management were dubbed the L76, and could be found in the Chevrolet Silverado and GMC Sierra pickups (2007-2009), where they were tuned to provide 367 horsepower and 375 lb-ft of torque.
How much horsepower does a LS2 have?
This helped it to produce 400 horsepower at 6,000 rpm and 400 lb-ft of torque at 4,400 rpm, effectively matching the higher-revving LS6 and offered a strong improvement over the LS1. New exhaust manifolds also came with the redesigned aluminum block.
Was the LS2 factory conservative?
Another area where the factory was conservative with the LS2 was the camshaft, which is unsurprising considering that General Motors had to take fuel economy and emissions concerns into account during the design process.
Do you need a torque converter for a camshaft replacement?
Some camshaft replacements are going to require a new torque converter with a higher stall, and could significantly impact drivability in an auto-equipped vehicle. You'll also want to pay attention to where the cam shifts power production: you can't have a high-end screamer without sacrificing low-end torque, and in heavier trucks this could make regular commuting a hassle. Finally, make sure to support your cam mods with upgraded trunnion bearings, retainers, and springs so you don't end up heartbroken by an inexpensive part.
Is there a limit to cams for LS2?
Depending on whether you're looking at an engine sourced from a truck or car, you've got no end of appealing options ranging from wild to mild. An exhaustive list of cam choices for the LS2 is outside the scope of this guide, but since there are virtually no limits when it comes to selecting your hardware, we wanted to remind you to strongly consider your driving situation before placing your order. This is especially true if you're considering the kind of aggressive cam profile that could add close to 100 horses over stock.
Is the LS3 a factory option?
It's also tempting to look at porting LS3 heads as a somewhat inexpensive factory option for the LS2, and while these are a good upgrade over the units found on the iron block L76, on the LS2 it makes more sense to spend the money on an aftermarket set due to valve shrouding (as the LS3 had a larger cylinder bore). With the right aftermarket head and cam combination, 450 to 500 wheel horsepower are available from the 6.0-liter LS.
