Welcome to the Overkill supercharger system for your 2010 to 2011 Camaro 3.6 V6. This year range of Camaro has the "LLT" code of 3.6 Direct Injection engine. There's a lot of information packaged into this page so keep scrolling down for more information.

The Overkill Vortech supercharger system solves the problem on how you make V8-like horsepower with your 3.6 V6. The simple concept of pressurizing airflow with a supercharger works great with these Direct Injection V6s and we're proud to be the only company with a bolt on system. Our base kit will typically provide gains of 100-125 horsepower, while Stage 2 is the path of a reliable 500+ horsepower 3.6 V6.

This system is 100% bolt on installation you can do in a weekend. You are not required to have any other modifications on your vehicle. Every requirement to install a supercharger on your Camaro V6 is included in this kit, including going above the normal expectation with our catch can system to improve engine operation and lifespan, and our all inclusive tuning service.

All kits include the following components and features:

Kits start at $5999 for existing Overkill Tune Users, $6499 and up to purchase with Overkill Tuning with HP Tuner Suite!


Stage 1 Kit Information

Our base kits can be installed on a completely factory 3.6 V6 and see a 100 horsepower gain. You do not need any modifications on your vehicle to install Stage 1, comes with everything you need. The kit will run 8 psi of boost. Aftermarket exhaust work is beneficial but not required. It's recommended to run synthetic engine oil only and consider installing 6 new ignition coils if you have higher mileage, the kit comes with new spark plugs. With Stage 1, you'll be at around 350-360 wheel horsepower on our chassis dyno (factory is 250-260).

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Stage 2 Kit Information - 500 Horsepower Kit! - $1099

The path to 500 horsepower 3.6 V6 is with our Stage 2 upgrade kit. The Stage 2 kit builds on the Overkill supercharger kit with a little more boost, a fuel tank fuel pump upgrade and a set of larger DI fuel injectors. Our LLT Stage 2 kit provides larger gains over the base kit when compared to the Stage 2 for newer LFX 3.6 engine! The pulley gets swapped to our 3.4" size providing 10-11psi of boost, an increase of 2-3psi. Larger 130# fuel injectors provide more fuel capacity and improve the fuel injection timing, important with direct injection engines. The fuel pump is an OEM quality direct replacement to the factory V6 fuel pump and will provide sufficient fuel flow to the engine to run more boost. The fuel tank must be dropped for installation, while the fuel injectors can be swapped by removing the intake manifold. Once installed we consistently dyno around 420-425 wheel horsepower on our chassis dyno, which is at the 500 horsepower at the engine even with the most conservative calculations. Maintains excellent drivability and is reliabile for daily use on 91+ octane. Aftermarket exhaust work is recommended for Stage 2 installation, works great with a set of headers.

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Methanol Injection - $649

Want to go beyond our Stage kit upgrades? Extra cooling supply is required to run more boost and running methanol injection can help. Methanol spray will help cool the incoming air charge and it will also increase the octane levels inside the engine. It also has the added benefit of cleaning the backside of the intake valves!

The Overkill kit is so simple we've named it the SMI - Simple Methanol Injection kit. A top quality pump and top quality components will use the windshield washer fluid bottle and aside from mounting the pump the installation is very easy, with the spray nozzle preinstalled into a new elbow for the throttle body connection, and a wiring harness that requires a few inline connector connections but no cutting and crimping. The system activates at 2-3psi, there are no boost controllers to mess with or worry of failure. The pump is compatible with 100% methanol, we recommend a minimum of 50/50 mixture with distilled water, you can get premixed fluid from several methanol injection suppliers or pure methanol is available at many home improvement stores.

Use this injection system to reduce existing knock retard or to run a smaller supercharger pulley, we recommend the 3.2" pulley if you have Stage 2 which will produce 12-13psi at-near sea level altitude.

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Want to see what the installation is like? Click here for PDF installation instructions











Question: What Power Gains Are Expected?

Answer: Stage 1 adds roughly 100 horsepower measured on a chassis dyno at the wheels (about 125 at the engine), so essentially your 320 horsepower engine from the factory rating will become a 450 engine, with no other changes. Stage 2 makes 390-400 at the wheels, a 130-140 horsepower gain. Stage 3 makes 410-430 at the wheels, a 160-180 horsepower gain. Additional power can be made with methanol injection and a smaller supercharger pulley.

Question: Do I Need To Do Anything To The Car First Before Installing?

Answer: Everything that's needed to install the supercharger is included in the supercharger kit. On Overkill's personal 2010 Cadillac CTS V6, I have no other modifications done to the vehicle, only what is included in the kit, so no you don't need to first do an exhaust system or anything drastic. That said, there are some recommendations. First, if you have higher mileage, consider doing a full set of ignition coils, as the factory coils have been known to wear out and their proper performance will be of greater importance with the supercharger kit; you can search for "D515C" on ebay, amazon or rock auto and should be able to get a full set of AC Delco coils for $200-225. Second is get yourself a replacement serpentine belt for the accessory system if you're higher mileage; while not impossible to change after the supercharger install, much easier to do it now before the install. Lastly is you should be all up to date on your servicing, including changing your transmission oil and differential oil following "severe" service intervals, which typically call for replacement every 50k miles. For your engine oil, it is very highly recommended that you use synthetic oil if you're not already. You're absolutely 100% required to run 91 octane gasoline or more.

Question: How hard is it to install?

Answer: This is a pretty straight forward bolt on system. Lots of loosening and tightening bolts, lots of paying attention to detail, very little cutting, very little fabrication. All of the works is done either from the top of the engine bay or in the front bumper area, nothing on your back under the vehicle. A professional shop can install this in 6-8 hours. A good DIYer can get this done in a weekend. Click here or the link above to view the installation instructions to get an idea of how it goes together .

Question: How Reliable Is This Setup?

Answer: The 3.6 engine has proven itself durable on a supercharged setup. We've been supercharging the 3.6 for over 2 years and know the limits of boost, fuel capacity, ideal air/fuel mixture, spark timing etc, to build durable and lasting setups. The supercharger system is also proven reliable; we've engineered durable custom components and matched them with top quality off-the-shelf components when required. Aside from oil changes on the Vortech, our goal is to have you install this system and enjoy it without the need for constant attention to any component. You can anticipate being able to daily drive the setup.

Question: Is there ANYTHING Special To Know About This Setup?

Answer: Due to the construction tolerances, Vortech does not recommend cold starting the Vortech when temperatures are below 25*F (-4*C). If you live in northern climates where temperatures get below freezing in winter, you'll want to either store your vehicle in a heated garage, use a heat blanket on the Vortech to warm it up before starting the engine, or simply remove the supercharger belt and drive the car normally without the supercharger engaged (yes it will run just fine like this) until outside temperatures permit you to put it back on.

Question: I Already Have A Catch Can, Can I Buy This Kit Without One?

Answer: Only if you have a Tracy Lewis Signature Series can or an Elite E2X can with 3 ports. The catch can must be set up as we specify for proper operation. If you have a substandard performing can or don't set up the system as we've designed it, your supercharger and intercooler will get nasty oil contamination, affecting their performance and life span. If you have the two cans mentioned, contact us to receive a discounted kit without the catch can.

Question: What Comes In This Kit?

Answer: Great question, glad you asked. Here's a series of videos showing the components of the kit












Independent Belt System


One of the things we wanted to ensure as part of our design was an independent supercharger belt system. Rather than using the factory OEM accessory belt, our system uses its own supercharger belt and leaves the factory belt completely intact.

We do this by first installing our new crankshaft pulley. Removing the crankshaft bolt allows you to slide the new pulley as an insert into the factory pulley, and then secure with the bolt. The new pulley indexes into the spokes of the OEM pulley so it is locked into place and cannot slip.



The supercharger is spaced appropriately not just for its own belt but for an 8-rib belt. Rather than using the 6-rib factory belt, a wider 8-rib belt will reduce belt slip issues as we start to get smaller and smaller on the pulleys. We can do this because we are not limited using the OEM accessory belt, this can only be accomplished with a dedicated supercharger belt.



Quick Change Pulley System


We have developed a quick change pulley system for the Vortech supercharger. This means we can run our own pulley sizes and is part of the 8-rib conversion. It also means you can change your pulley sizes very easily. Due to the spacing built into our system mounting plates and the new supercharger positioning, you can access and change the supercharger pulley in a matter of minutes, simply by removing the 4 retaining screws and removing the belt. In smaller pulley sizes, we have a Gator Grip tooth pattern to the ribs of the pulley that will provide the belt additional grip on the pulley but not wear out the belt prematurely.


Front Mount Intercooler


One item that we decided to include standard rather than have as an upgrade is the intercooler. It is important to understand that all intercoolers are a flow restriction to some extent, and their size plays an important role in cooling and flow capabilities.

Our air to air intercooler uses a 24 inch long core (side to side) and 4 inch deep. This is longer and thicker than what used to be the standard for a Camaro supercharger kit. The longer the airflow stays in the heat exchanger, the better the cooling. The extra thickness provides larger air passages which improves flow capability, which will make the supercharger boost more efficient at reaching the engine. This core fits with only minor trimming of some of the plastic shroud around the radiator.


Supercharger Specific Catch Can System


Our Catch Can System included with each supercharger system is set up specifically to perform with forced induction. Unlike a generic catch-can which connects between the intake manifold and engine on the "dirty side" of the PCV system only, ours connects to both sides of the PCV and provides two suction sources for the dirty side crankcase. When the intake manifold becomes pressurized, the catch can looses suction from the manifold, and the crankcase can become pressurized with boost pressure; our catch can uses a check valve to close and prevent boost from pressurizing the catch can, and a secondary suction line connected right before the supercharger inlet actually uses the vacuum created by the supercharger to continue to draw air from the crankcase. As an extra backup, a clean side separator attached to the oil filler cap separates and prevents oil vapors flowing down the clean side line into the intake path. The entire system means that oil will stay out of the supercharger inlet, out of the intake manifold, out of the intercooler, and reduces blowby at the piston rings, all of which improves engine safety, supercharger lifespan, and overall performance.