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Turbocharging
Stage 3
Part 1 - 2 - 3 - Tech 1 - Tech 2
Power: 300rwkw+
This is now considered a racing motor. Although an SR20DET can handle a larger frame turbo if built correctly the motors are not recommended for everyday use. A motor supporting a Stage Three turbo is put under a great amount of stress and can often have to ingest 25 – 30 psi to run efficiently. Generating a large amount of horsepower is also attained by revving a step three turbo motor harder than the stock RPM limiter; expect a ceiling of about 8000rpm. An example of a step three turbo is the GT3582R from Garrett. It is best suited to boost applications in the 25-29psi. Note that these turbos generate a very steep ramp of power when under full load. As well as step one and two mods here are the things you will need to consider to attain a type three setup:
>The complete fuel system (tank, pumps, surge tanks, braided lines, custom fuel rail with large injectors (900cc + to be safe)
>The spark used to ignite the fuel (splitfire coil kit with colder and custom gapped spark plugs)
>Induction systems needs to breathe heavily when moving the vast amount of air required for 300rwkw+ (custom air inlet to extract maximum air velocity, larger throttle body, well designed and large surface area air to air intercooler or custom wet/dry ice versions for drag applications, high flow air inlet such as a bell mouthed turbo with a cold air induction pipe.
All pages of NissanSR20.com are to be used as a guide only. All mechanical work regarding any motor vehicle should be carried out by experienced professionals. NissanSR20.com does not accept responsibility for the accuracy of any information contained within this website. Remember that all motorsports can be dangerous. Remember that making a motor work any harder than factory specification can/will damage it considerably faster that normal. If you have any questions or think you might have something you would like to contribute click here.
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