i have a 355ci with a TPI setup and am going to run a procharger with 12 psi of boost (motors not done yet), i am now at the point where i have to think about having it tuned. can anyone recommend a mail-order tune? i am in the milwaukee, wi area

 

Tune? What year is the car/ECM? You're likely going to want a later ECM ('730), different MAP (2 BAR), and larger injectors. The rest can probably be done with PROM tuning. PROMs by mail are usually quite risky. The person writing the revisions really needs direct feedback on the engine performance.

Do a little poking around on the DIY PROM board and get some hints. It's really rather easy.

BTW - Welcome Aboard!