Midship Runabout

The Toyota MR2 Internet Archive

MK2 Tuning

Tuning the MR2 Turbo

By Joseph Obernberger


This article hopes to describe the tuning process used in the LoveHorsepower Fuel Pressure Regulator and Tuning Video guides. The following equipment was installed:

Apex-i S-AFC (Super Air Fuel Controller).
LoveHorsepower Fuel Pressure Regulator Kit (Aeromotive Fuel Pressure Regulator).
Innovate Motorsports LC-1 Wideband Lambda Cable (Wideband Oxygen Sensor Kit).
LoveHorsepower Stage Two Water Injection.
550cc/min Fuel Injectors from the twin [...]

View the original content on Lovehorsepower.com

  • 3S-GTEEnginesMK2Tuning

    MR2 Tuning – AFC and Fuel Pressure

    By Joseph Obernberger


    Relavant mods are

    * T3/T4 50trim Turbocharger (nocash kit)
    * Supra Twin Turbo 540cc/min fuel injectors
    * Apexi S-AFC
    * Aeromotive adjustable fuel pressure regulator
    * Two stage water injection
    * Greddy Intercooler
    * K&N FIPK Intake
    * Apexi AVC-R boost controller
    * Ross forged pistons

    View the original content on Lovehorsepower.com

  • 3S-GTEMK2Tuning

    Engine Control Unit Monitoring

    By Joseph F. Obernberger


    The objective was to design a way to monitor various engine parameters and
    log them using a serial port to a laptop or other serial device.  This was
    attempted before using an 8051 type board.  See ECU project.
    Using an inexpensive BasicX chip from netmedia the design was more straight forward.
    The following parameters are currently monitored directly from [...]

    View the original content on Lovehorsepower.com

Disclaimer: This documentation in no way replaces the Toyota MR2 Repair Manuals. The purpose of this content is only to provide supplementary information to fellow MR2 enthusiasts. Midship Runabout and its contributing authors will not be held responsible for any injury or damages that may occur as the result of practicing any of the methods or procedures described within this website.