Late Model GM owners can easily add this simple system to the vehicle which allows you to run E85 and regular gasoline at any blend. The Factory computer has the ability to be set up as "sensor" system allowing for more precise (safe) control of running E85. **Please note: Adding this REQUIRES custom tune to enable and set up Flex Fuel tables in PCM to operate properly.
Click Here: https://tapped-performance.myshopify.com/pages/e85-q-a for E85 Myths and questions.