The basic function of a supercharger is to add power and torque by increasing the aiflow into the engine and providing more oxygen for combustion, this allows for added power and the ability to retune the computer a bit to push the speed envelope even farther. A supercharger kit is one of the most efficient, emissions-compliant and reliable ways to add a massive amount of power. We headed up to Oxnard, California, to a 60,000-sq-ft facility where a brand-new Lysholm 2300 twin screw supercharger was installed on an ‘08 GMC Sierra 1500 with the 5.3L engine. Stock, the truck was dyno’d at 235 horses and ft-lbs of torque. After the simple installation of the supercharger and retune of the computer for fuel and air management using the provided handheld tuner, the truck now puts down close to 380 horses and 375 ft-lbs of torque.
The Lysholm brand is part of the AirPower Group consisting of Vortech Engineering, Vortron, and Paxton Superchargers. Lysholm has a long history in the supercharger realm. While Lysholm Technologies was founded in 1995, the name bears the history of the industry with the twin screw supercharger being invented for cars by Alf Lysholm in the 1930s. He was then the chief engineer at Svenska Rotor Maskiner AB. The twin screw system is lightweight and compact and provides increased efficiency. Along with Roots-based systems, the twin screw system is a positive-displacement supercharger. Unlike the Roots system, however, the twin screw system is not just an air blower but a true air compressor that will build boost pressure internally. The twin screw system is also more efficient and will run cooler than Roots based blowers.
One of the benefits of a positive-displacement system over other setups is a maximum hit of low-end torque in addition to the added horsepower. This makes for a great “seat of the pants” experience, which, let’s face it, is what we care about on daily driven trucks. The low-end torque increase also assists when towing a heavy load. Reliability when adding power can also be a concern. A supercharger is one of the most reliable methods of increasing horsepower. To back this up, Lysholm offers a three-year/36,000-mile limited warranty on its systems. The installation kit provided by Lysholm includes everything needed to complete the install with basic hand tools in roughly a day.
Source
Lysholm Technologies/Vortech
AirPower Group
805.247.0226
www.lysholm.us
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- After a baseline dyno, the ’08 GMC Sierra’s battery is disconnected for safety and the stripping of the old components begins by removing the old air intake and unplugging the MAF sensor and the grille shell.
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- Unplug all of the electrical plugs, EVAP sensor, injectors and fuel line connections to the stock intake manifold. Remove the upper radiator hose and clamp the small coolant line.
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- Remove the vacuum hose from the brake booster, the crankcase breather hose and unbolt the alternator and rotate it to the side out of the way.
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- With everything disconnected, unbolt the 10 6mm intake manifold bolts and remove the old intake manifold.
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- Replace the bolts on the valley cover plate with the lower profile Allen head bolts provided in the kit.
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- Some clearance will be needed for the new Lysholm twin screw supercharger manifold. The matting on the firewall is trimmed slightly and a spacer is installed on the fuel rail protection plate.
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- The coolant vent tube is slightly bent for clearance, this can be accomplished using a socket and bending it at a few points to avoid cracking.
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- The oil filler neck will have to be modified as well, remove the bracket covering the nearest coil and twist the neck until the pin breaks and it can be removed.
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- Screw the cap directly to the valve cover.
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- New idler pulleys need to be installed. Remove the bolt below the alternator and install the new idler pulley in its place.
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- A new tensioner puller replaces the factory one, you will need to grind down part of the pulley mount and remove the dust shield on the pulley for clearance.
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- A new tensioner puller replaces the factory one, you will need to grind down part of the pulley mount and remove the dust shield on the pulley for clearance.
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- Here is the Lysholm 2300 twin screw supercharger manifold as it comes in the kit. You will need to transfer a few sensors over from your factory manifold.
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- The OEM MAP sensor is taken from the old manifold and installed on the Lysholm unit.
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- Connect the brake booster hose, crankcase breather hose and EVAP hose to the back of the unit.
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- Install the EVAP solenoid onto the new unit.
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- Cut open the EVAP vent tube and connect the removed fitting to the new hoses connecting it to the solenoid.
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- Cut open the EVAP vent tube and connect the removed fitting to the new hoses connecting it to the solenoid.
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- The intake manifold gaskets will need modifications as well for clearance, cut off all of the tabs excluding the ends and grind the plastic smooth, making sure not to damage the rubber portions of the gasket.
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- The intake manifold gaskets will need modifications as well for clearance, cut off all of the tabs excluding the ends and grind the plastic smooth, making sure not to damage the rubber portions of the gasket.
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- Install the throttle body onto the Lysholm unit using the provided adapter, transfer the gasket to the new adapter plate.
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- Install the throttle body onto the Lysholm unit using the provided adapter, transfer the gasket to the new adapter plate.
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- A good tip to make sure the gaskets stay in place when installing the unit is to tape the ends, the tape can be removed later if desired.
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- Get a couple of friends together and carefully guide in the new Lysholm twin screw supercharger unit onto the motor.
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- Start reconnecting all of the injector plugs, sensors, vent tube and the fuel line.
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- Connect the EVAP sensor and reinstall the alternator.
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- Tighten the supplied bolts and torque to spec first at 44 in-lbs, and finally at 89 in-lbs. Tighten in a crossing pattern starting at the middle of the engine and going outward.
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- Route the new belt around the pulleys.
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- Now it is time to setup and plumb the water cooler system that will cool the air and the supercharger unit. Wrap Teflon tape around the fittings and install them to the surge tank.
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- To keep things clean under the hood, a small surge tank is used to fill up the reservoir that will be mounted lower off of the frame. Install the brackets and mount the tank to the fender braces.
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- To make room for the water cooler, trim the core support bracket.
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- Remove the splash guard in order to mount the water cooler and run the hoses.
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- Mock up and trim the upper hose.
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- The supplied brackets are screwed to the water cooler.
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- Install the water cooler to the core support with the fittings facing down and the upper fitting towards the engine.
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- The fittings are installed onto the lower reservoir and the coolant pump is clamped to the side of the tank and plumbed.
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- The to and return hoses for the water cooler are both run from the front of the supercharger manifold. Mock up and cut to the necessary lengths.
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- To keep the hot and cool coolant from impacting the air intake, heat shrink and thermal baffling is supplied and run over the hoses.
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- Clamp the ends of the hoses from the water cooler and the supercharger together using the provided hardware.
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- Here you can see how cleanly the water cooler hoses are run.
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- Now it is time to wire up the pump and connect the MAF wires. The relay is mounted to the fuse box and grounded.
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- Solder a fuse holder to the yellow wire from the relay and run it to an ignition fuse.
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- Solder a fuse holder to the yellow wire from the relay and run it to an ignition fuse.
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- Solder a fuse holder to the yellow wire from the relay and run it to an ignition fuse.
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- Run the red power wire to the positive terminal.
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- Slip the supplied K&N filter into the air box and connect the new air intake tube to the MAF sensor and throttle body, and reconnect the breather hose.
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- Slip the supplied K&N filter into the air box and connect the new air intake tube to the MAF sensor and throttle body, and reconnect the breather hose.
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- Cut the tan and the tan and black wires from the MAF plug. Solder one of the wires to the intake air temperature harness and cover the connection in heat shrink.
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- Cut the tan and the tan and black wires from the MAF plug. Solder one of the wires to the intake air temperature harness and cover the connection in heat shrink.
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- The truck is put on the lift or some jack stands so that the lower reservoir tank can be bolted to the frame.
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- Connect the wires from the water pump to the power wire from the relay and zip-tie it out of place.
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- Run the hoses to the water cooler and clamp them tight.
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- Test the water pump and fill the tank with distilled water and coolant. Finally, load the new tune off of the handheld programmer included in the kit. The programmer will save your factory tune and rework the computer’s air and fuel management.
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- We dyno tested the truck. The final result was 380 hp to the wheels and 375 ft-lbs of torque!
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- We dyno tested the truck. The final result was 380 hp to the wheels and 375 ft-lbs of torque!
Tags: airflow, GMC Sierra 1500, Supercharger, twin screw
