thanks i will try that this weekend and see what happens

I have a 03 chevy 1500HD 6.0l predator u7195 cai, tb spacer, 78mm throttle body, gratenellie maf programmable sensor, 3" magnaflow cat back exhaust. I just added the 78mm tb and now i am recieving trouble codes of to much air at throttle body and rpm's surging wildly at engine start up. I have the ...