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A Quick Intro to the Toyota Tundra Supercharger

by: JasonLancaster
Total views: 15 | Word Count: 538

Here are the official specs for TRD's new supercharger for the Toyota Tundra: it adds 504 HP, 550 lb-ft of torque, and list price for the entire kit is $5,875. The total cost, including installation, will be around $6,800, if based on a labor rate of $105 an hour.

The evolution towards the 5.7-liter TRD supercharger is truly intelligent design. TRD has developed horsepower/torque pushers for the 2000-03 Tundra, the V-6 Tacoma, the Camry Solara, the Scion tC and others. Tundra watchers knew it was only a matter of time before the wizards at TRD addressed the big '07 Tundra. Then, at the November 2007 Specialty Equipment Marketing Association (SEMA) show in Vegas, a concept Tundra Double Cab was spotted with a supercharger and air-to-liquid intercooler generating "approximately" 500 horsepower. Since the Toyota booth display vehicle was attached to a 10,200-pound gooseneck car hauler, the extra power had to be more than simply wishful thinking.

The Tundra TRD supercharger is an Eaton-Roots, or positive displacement type. Fun fact - the patent comes from when Philander and Francis Roots first used the technology way back in 1860 to ventilate mine shafts. When automakers needed to improve engine performance, they had to choose between increasing engine size or efficiency, and went with efficiency. Gottleib Daimler began incorporating blowers into automotive engines in the early 1900s, and they began appearing in racecars and premium autos by the 1920s. Eaton-Roots type superchargers are reliable yet require almost no maintenance, and have the added bonus of eliminating drag on the engine when their boost is not required.

The Eaton's Twin Vortices System (TVS) is featured on the Tundra supercharger. It has twin four-lobe rotors with 160 degree twists, and improves air-handling while decreasing noise and vibration. The Tundra kit comes with 8 new high-flow fuel injectors, lower heat range iridium-tip spark plugs, and an intercooler, which reduces air inlet temperature to the engine and permits more aggressive ignition timing.

In order to supply the supercharger with enough air, TRD provides a new high-performance air intake, similar to the cold air intake kit offered by TRD as a standalone part. Finally, when installing the supercharger, the engine control unit (ECU) is programmed with a new high performance engine management profile. The reprogramming allows the Tundra to use all the extra power from the supercharger - it changes the engine's timing and the transmission's shift points to maximize power - while still maintaining 50 state emissions certifications.

It takes approximately 9 hours in install the TRD Tundra supercharger, and Toyota will honor the remainder of their 5yr/60k miles powertrain warranty on the condition that the supercharger is installed by your local Toyota dealer. Adding the supercharger is a safe investment, given TRD's high quality of engineering and Toyota's agreement to honor the full warranty.

There's just one catch - the TRD supercharger is only sold as a dealer-installed or over-the-counter option AFTER the sale of a new Tundra. The supercharger cannot be bought or added at the same time as you purchase a new Tundra, and it cannot be financed along with the truck. If you really want to buy your new Tundra with a supercharger, your local dealer can likely work something out, but it'll probably cost you some cash.

About the Author

Author Jason Lancaster operates TundraHeadquarters.com, a web site with info, news, and reviews of Toyota Tundra parts and Tundra accessories.

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