2007 monte carlo ss tuning help
A 102mm throttle body is WAY too big for this engine and will make it very difficult to tune; probably impossible for a newbie.
Or are you planning to use a handheld tuner? I don't know them personally, but I suspect this major changes (even if you go back to a 90mm TB) will be too much for them.
My suggestion is to get a proper TB and send the ECU to one of the sponsor and/or highly regarded tuners for a mail-order tune.





