The VF-Engineering designers set about designing the billet supercharger mounting bracket with CAD software creating solid models of parts to be CNC manufactured. The bracket was designed to utilize OEM bolt patterns and requires no alteration or relocation of any engine parts to be fitted. Made from 6061-T6 aircraft grade aluminum the bracket mounts to factory machined surface points on the aluminum engine block for a precision fit.
A V3 model Si-Trim Vortech Engineering supercharger unit was chosen after consultation with Vortech engineers and matching the engine's volumetric efficiency with supercharger compressor maps. The V3 unit contains helical-cut gears for super quite performance - virtually silent with the engine compartment lid closed. The V3 supercharger has a 20psi and 1000cfm maximum capacity and is an over-engineered part for this Porsche application which is geared to produce a conservative 6psi in the engine's intake manifold.
The fastidious design of the supercharger bracket, positions the belt driven supercharger to maintain use of the OEM spring loaded belt tensioner. The serpentine belt routing was designed to maintain the correct rotation of all the accessories and maintain optimal pulley wrap for maximum friction.
The VF air to water intercooler (charge cooler) was integrated into the tight fitting engine bay as means of reducing charged air induction (boost) temperatures. Lower charge temperatures promote engine safety by reducing knock and improving the quality of the combustion cycle. Air charge (boost) from the supercharger is directed through the chargecooler core before entering the throttle body.
The cooler core contains isolated channels circulating with water from a separate self contained system cooled by its own radiator. VF-Engineering integrated a Porsche OEM front radiator and front bumper vents into the kit. Water is circulated by means of an added OEM water pump through OEM water lines. Intake air temperatures in the manifold were measured to be approx 140 deg F even with 'spirited' driving at 118 deg F ambient temperatures in Arizona desert conditions mid-Summer. This dramatic drop in charge temperature helps the 997 create consistent power. For added safety the chargecooler is designed to perform continuously whilst the ignition is on.
With all major components in place, VF-Engineering set about shaping the air ducts from the filter to the throttle body. The intake pipe is specially tuned for its air flow characteristics and pressure relief system. Production pipes are manufactured from a lightweight molded high temperature polymer. The thermal insulating properties of the plastic pipes prevent heat transfer into the cooled charged air traveling inside them.
Engine management software was by written by VF with extensive testing performed on independent test cars. Multiple factors such as charge air temperatures, ignition timing, fuel trims, maps and injector performance were taken into account. The Carrera 2, 4, GTS, Manual and PDK test vehicles were extensively dynoed on the VF 4WD Mustang and 2WD Dynojet and monitored for wide band air fuel ratios at load levels were often greater than would be experienced on the road. The results are an increase of 150 horsepower and 90 ft.lbs of fully usable torque.
Software is programmed into your ECU using the "Hex-Flash" programming cable. You can program your ECU yourself through the OBD2 connector on your dashboard with software sent to you by email. This tool also allows you to read and clear ecu codes.
WARNING: Cancer and Reproductive Harm
Porsche 997.2 Carrera
Since 1999, VF Engineering has been leading the industry in developing complete bolt-on supercharger systems for European sports cars. The company has been supercharging 5.2-liter V10 engines since 2010, and now offers HEX Tuning off-road race tunes for Audi, BMW, Ferrari, Lamborghini, and more!
VF’s management and engineering team draw upon their immense experience of high-performance superchargers to create top-rated products. VF Engineering has been working on modern sports cars in joint and proprietary projects and partnerships with firms in the United Kingdom, Switzerland, and the USA. Such has given VF the opportunity to promote its product lineup in Europe, U.S., and world markets. VF Engineering is dedicated to staying up to date with the latest information and technology. Moreover, it has access to new models as they roll off the assembly lines in Germany through important OEM connections, clients, and manufacturer organizations.
VF Engineering is located in Orange County, California, where it has remained since its inception. The facility measures approximately 15,000 square feet and includes a Mustang AWD 500 chassis dyno, four Hunter lifts, a large photography studio, an R&D room with a rapid prototype, and a room for ECU board work.
Interestingly enough, the acronym in VF Engineering does not mean anything; the name was chosen merely from availability. What VF Engineering stands for is far more important and something that no clever marketing scheme could achieve. Every single part, line of code, and supercharger system that leaves with the VF label stands for the epitome of design, engineering, and performance. Seeing the VF label on a part means that your car will be running the best it can.
More than 93 percent of VF Engineering’s supercharger systems are still running strong even after years and years of spirited use. In fact, many of these systems are already on their second and third owners! That is a true testament to the solid design, durable construction, and remarkable performance that VF parts boast.
To unleash the true power and potential of your vehicle, you need a supercharging system from VF Engineering. Vivid Racing is proud to carry a large inventory of performance-enhancing parts from VF, including complete bolt-on supercharger systems and HEX tuners for a variety of makes and models. You will notice the difference immediately and wonder how you ever drove with a factory power output. If you have any questions regarding VF’s superchargers, please call our expert parts team at (480) 966-3040.
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