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NEWS

Tech


POSTED IN TECH
FEB 25TH 2019

E85, BUDGET RACE FUEL BUT NOT FOR BUDGET ENGINES

The last 25 years have seen some huge increases in engine output, but the biggest change is what can be achieved by the average street car.  Modern engine management, efficient engine designs and affordable high-octane fuel has brought high power to average punters.When our Calibration Engineer Joel started tuning 25 years ago, he was using a water brake dyno, no electronics, mechanical dials, and a switch to do ...

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POSTED IN TECH
DEC 3RD 2018

DESIGN AND CHOICE OF SUPERCHARGER DRIVE SYSTEMS, PULLEYS, BELTS AND TENSIONERS

With the ever-increasing variety of supercharger size, drive ratios, belt routing, belt material and pressure ratios we will be taking a look into the design and choice of drive systems, pulleys and belt selection.Drive systemsMost modern supercharger systems are crank driven typically with a serpentine style PK section belt. This requires many varied and sometimes complex drive installations. Below is a snapshot of ...

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POSTED IN TECH
OCT 10TH 2018

DYNO MEASUREMENT AND ACCURACY

A question we are often asked is what is the difference between a roller dyno and a hub dyno, second to that what is the difference between engine power and rear wheel, or hub power.  In order to answer these questions, we need to understand some basic principles that are the root cause of the difference.In simple terms, the difference between the engine figure and the wheel or hub figure is the friction due to ...

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