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Hydra Nemesis 2.5 MR2 Turbo Plug & Play Engine Management System

The Hydra product line is powered by dual 16-bit 25MHz Motorola processors which provide fast and accurate control of your engine. The Hydra Nemesis 2.5 plug and play engine management system comes with everything you need to install and run the Nemesis stand alone engine management system on an MR2 Turbo. The system has the following features:

  • Easy installation on an MR2 Turbo

  • Eliminates the stock air flow meter (AFM) and cold start injector

  • User configurable 32x32 fuel and timing maps with selectable RPM and load points

  • Two selectable 32x32 fuel and ignition offset maps for alternate fuels

  • Directly supports the NGK L1H1 and L2H2 5-wire wideband oxygen sensor (additional cable required)

  • Uses stock engine sensors including the distributor

  • Built-in launch control (2-step) for drag racing applications (additional cable required)

  • Controls the stock ignition

  • Runs full sequential injection

  • Supports full sequential ignitions

  • Operates all accessories including AC, power steering, cruise control and ABS

  • Controls the TVIS, EGR, fuel pump volume and engine check light

  • Uses the stock idle speed valve to provide a stable idle under different loads

  • Internal 3-bar MAP sensor supports up to 30psi boost

  • External MAP sensor support for applications up to 45psi boost (additional sensor required)

  • Rev limit to 16,000 RPMs with adjustable soft (random miss) and hard (complete cut) rev limiters

  • RPM adjustable knock detection threshold for detonation protection

  • Adjustable fuel cut for overboost protection

  • Easily configurable to work with 91-92, 93-95 and genIII engines

  • Uses stock narrowband oxygen sensor to maintain proper fuel mixture while idling and cruising

  • Individual cylinder fuel trims

  • Quick connect 2-piece laptop cable can be easily routed to passenger cabin

  • Windows-based tuning software

  • On-board and laptop datalogging at adjustable timing rates

  • Controls Aquamist 1S and 2C water injection setups

  • Adjustable air and coolant temperature correction of fuel and timing

  • Supports staged injection setups (additional injectors and cable required)

  • Controls boost (boost control option required)

  • Operates as a turbo timer (turbo timer option required)

  • Comes with base maps to start most engine setups and drive them to the dyno for proper power tuning

  • Controls any level of power from a bone-stock 170rwhp up to +600rwhp monsters

The system sells for $1500 plus shipping ($15 shipped in the US, $25 to Canada). The unit includes:

  • Hydra Nemesis 2.5 computer

  • Plug and play adapter for genII and genIII 3S-GTE engines

  • CD with software and base maps

  • Cold start MAT sensor plate

  • Cold start feed plug for stock fuel rail

  • GM MAT sensor

  • MAT sensor wire

  • 10' laptop cable (with easy disconnect to thread through firewall to passenger cabin)

  • Bracket that bolts Hydra Nemesis 2.5 and plug and play adapter securely to the stock ECU mounting holes

  • 4' of 4mm vacuum hose

  • 4mm tee

  • ½" grommet

For an additional $395, the unit will include:

  • NTK L1H1 or L2H2 sensor

  • Wideband sensor to Hydra Nemesis 2 cable

  • Autotune mode based on target AFR map

  • Toyota O2 bung to 18Mx1.5 adapter plate

  • ½" grommet

For an additional $150, the unit will include:

  • Boost control solenoid

  • Bracket and hardware to attach solenoid to firewall

  • Boost solenoid to Hydra Nemesis 2.5 cable

For an additional $50, the unit will include:

  • Turbo timer harness

  • Turbo timer power relay

For an additional $25, the unit will include:

  • Launch control cable

This unit is only legal for off-road use only and requires professional tuning to safely operate. Base maps are provided only to get the engine started and (depending on the specific setup) allow the car to be operated without boosting. MR Controls is not responsible for any damage resulting directly or indirectly from the use of this product.

Orders are now being accepted for Hydra Nemesis 2.5 systems. We accept Paypal, personal checks or USPS money orders. Please send email to sales@mrcontrols.com for specific ordering information.

Canceled orders are subject to a 10% restocking fee. Units returned within 30 days after delivery in the same condition that they are received are subject to a 15% restocking fee.