Originally Posted by BitbyStreetRacin
You said John tuned it with the stock injectors, no fuel, fmu? Or did I misread? Im guessing that if it ran better with no fuel mods, and you now have 390's, fmu, and a walbro, you definately need to get a basemap on that car. What ecu/program are you running right now?
I tuned the setup on Ben's car which was a different motor & different car all together. It did have injectors etc...