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RETRO-FIT TPI
RETRO-FIT TPI
There are thousands of small-block Chevy engines that were fueled by their Tuned Port Injection (TPI) systems back the
mid ‘80s to early ‘90s. These were popular engine swaps years ago, but the electronics and tuning left a lot to be
desired. To help bring your GM TPI system up to date, we offer four Retro-Fit kits for these engines that provides
improved calibration and tuning along with our proven self-learning EFI technology. 
The robust ECU is easy to mount and connects through a complete wiring harnesses that is terminated with factory style
connectors to ease installation. The harness plugs into the factory distributor, injectors and sensors. Then can easily be
calibrated to your specifications through the color touchscreen handheld controller.
Upgrade old GM TPI systems to modern technology
Improved driveability and performance
No laptop required with an easy to use touchscreen
controller
New wiring harness connects to factory sensors and
components
Removes MAF sensor for easy installation
Proven self-learning technology and performance 
Lock-up control for 200-4R/700-R4 trans
Upgraded kits available for use with
4L60E/4L65E/4L70E/4L80/4L85E transmissions
Note: Works with OEM CTS, IAC, TPS , Injectors, and
Knock Sensors.

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