Custom Tuning (OBD2)

We no longer offer long distance tuning.  If you would like us to tune your vehicle, please call 574 968 7607 or email sales@wot-tech.com

HPTuners MPVI 3

Yet another version of HPTuners is coming out soon and you can pre order yours to make sure you get one as soon as they arrive.  Comes with 2 credits.  MPVI3 continues the legacy of its predecessor with features like Bluetooth 5.0, an M8 motorsports-grade screw-on connector, RGB LEDs, and USB-C …

3400 Swap Chip

Based on a stock 2000+ 3400 swap into a 5 speed Fiero, with the 1227730 ECM.   All manual transmission setups should be a plug and play deal, while the automatic may need some tweaks to fine tune.  We have done a couple auto trans setups but mostly manual trans.  2000+ injectors and 55 PSI fuel …

3500 Swap Chip

Based on a stock 2004-2006 3500 LX9 with the 1227730 ECM, using a 3400 fuel rail, 2000+ fuel pressure regulator at 55psi, and 28# injectors.   All manual transmission setups should be a plug and play deal, while the automatic may need some tweaks to fine tune. Custom tuning is available for mod…

1997+ 3100 Performance Computer

Our performance computers are based on dyno testing and street testing, giving the best possible tune for those than take care of their vehicle.  Improved spark and fueling based on application/octane, and improved shift points and line pressure adjustments for the 4T45 and 4T65 equipped engines. …

1999+ 3400 Performance Computer

Our performance computers are based on dyno testing and street testing, giving the best possible tune for those than take care of their vehicle.  Improved spark and fueling based on application/octane, and improved shift points and line pressure adjustments for the 4T45 and 4T65 equipped engines. …

180* Thermostat for FWD 60V6

Lower temperature thermostats are designed to open sooner, and allow the engine to stay cooler in racing and hot climate applications.  Fan settings in computer controlled vehicles will need to be adjusted for the new thermostat.  This stat fits the 2.8/3.1/3.4 DOHC/3100/3400/3500 Aluminum Head en…

HPTuner Credits

Credits are used to flash vehicles with HPTuners hardware.  With the MPVI 2 released, HPTuners has made the credits universal, rather than per car manufacturer.