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Message: <blockquote data-quote="synchron" data-source="post: 709936" data-attributes="member: 115">Depend which engine u r using. If you are using 4agze then you will have to go with type 1.Well i read book on FI called Superchargers,Turbochargers & Nitros. It is stated that small engine normally favour centrifugal s/c because of our light weight engine. 4age is a short stroke engine, meant for high rev. Centrifugal s/c is a high rev chargers compare to the roots chargers which is about 14000RPM and screw type which is 18000 RPM for a small unit.Boost increament and limiting is just like the stock 4agze which uses the crank pulley which is the cheapest and easiest. Bigger pulley = more boost, smaller pullley= less boost. Unless you want to use the more sofiscated way like ECU control, boost controller and blow-off.I cant really tell how far the stock s/c can go. If you are running on stock boost, it will last a few year without a problem. If you boosting the charger more than 0.8 bar then it all depends on luck. How many KM you done to the engine also count. Everything s/c have wear and tear, even aftermarket s/c.You can select any s/c that you want. Trust me that it will all come down to the price. A normal root, centrifugal, and screw type s/c in the USA will cost in a range of 1600-2500 USD which exclude s/c pulley, drive snout, transportation, taxes, bracket fabrication and installation cost. In which after converting to RM everything should be ranging from RM10,000 to RM 15,000. Much more expensive than a turbo setup.If you are going for ultimate performance, then you should go for screw type. I dont think they are streetable. They are non streetable because they dont have s/c clutch. I can say that they will generate more power than turbo.I choose the German s/c because they have high RPM and high step-ratio. The next best thing is that they are the only aftermarket s/c which comes s/c clutch. The retail price for these chargers else where is atleast 2000 Euro's and the kit for BMW will cost atleast 4000 euro's.I have made a deal with ASA to develop kits for Japanese engine by using some of their custom superchargers. I can retail them at a lower price which suites our market. They are rated at a MAX of 350 HP. They are comparable to TO4B setup.</blockquote>

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