Hi i just recieved my xcal2 with a custom tune for my airaid intake with the venturi tube out. I was just wondering wat would i feel it i was running to lean..or bad signal? Cause wow what a diff. Mines and auto and i get 2nd gear chirps haha I was just ondering how would i no if im running too lean?

 

Get 4.10s and you'll chirp 3rd!!