VW golf Mk4 turbo kit is designed to increase horsepower in your 1.8T and 1.9TDI (deisel) and are available as aftermarket replacements. The turbocharger, or a just simply the turbo, has been around now for more than a century. It was invented by Swiss engineer named Alfred Buchi in 1905 and was first used on the diesel engines of ships and locomotives from the 1920s. It was used on the engines of production airplanes from the 1930s and on truck engines from the late 1940s. But it only found its way onto the car engine of a production vehicle in 1962 when it was used on the Oldsmobile Cutlass Jetfire. A complete turbo kit consists of the turbocharger as well as the necessary parts required to bolt the turbocharger onto the car engine. This includes an exhaust manifold, intake runners (plumbing to connect the turbo to the intake manifold), and can include an intercooler as well as cooling and lubrication feed lines for the turbo. When building your own turbo system, selecting the perfect turbo kit for a particular application can be a real challenge as no one turbo is best suited to all applications. There are a number of things you need to consider when selecting a turbo. These include: The capacity of your engine, The number of valves, At what RPM do you want the turbo to come in, The type of fuel you plan on using, The turbo boost you plan on rThe best engine oil you can use in your turbo engine is a synthetic, straight viscosity oil that is suitable for the temperature range of both the climate in the area that you live, and the engine. The important thing is to change the engine oil and oil filter regularly. Even if the turbo has a water jacket around the bearing housing, you should still change the engine oil more frequently than on naturally aspirated engines, and you need to do this diligently. Changing the engine oil every 2,000 miles should do the trick. You also need to ensure that the oil pressure to the turbo does not exceed 70 psi or else that oil will push past the oil seals in the turbo and cause frequent, if not continuous, smoking. If your oil pump produces more oil pressure than the turbo's seals can handle, you should install a restrictor in the oil feed line, or a bypass system to reduce the oil pressure to the turbo. A bypass system is more reliable but in both cases you must ensure that the oil pressure to the turbo is adequate at idle and at full operation. The oil seals in the turbo do not operate properly if they are bathed in oil, therefore, you should ensure that the oil return line to your oil sump is big enough to allow for proper drainage. The oil return line should have an inner diameter of at least a ½ inch. The oil drain hole in the turbo should also be aligned as near vertically downward as possible.unning,The amount of horsepower you want.

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