Midship Runabout

The Toyota MR2 Internet Archive

MK2 Engines

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

  • EnginesMK2

    DIY Throttle Cable Fix

    By MR-3vz


    Well I had a fraying throttle cable that was getting hung up at times when backing off the throttle… After further inspection I noticed that the throttle cable was fraying and was getting caught up not letting the cable slide smoothly to close the throttle plate. Well after a call to “SATAN” I was quoted around 80 bux for about 1.5feet of throttle cable. A bit much if you ask me, and im sure I could do this for cheaper.

    View the original content on International MR2 Owners Club

  • 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

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.