Just as the question reads, is there a differance in calibrations, will it mess up the A/F ratio? Need to know because I had autotap run on my car and the MAF sensor reading were reading a .394 all the way down the chart..
any insight is appreciated.

 

Probably belongs on "Computer Programming...." of "LT1 Tech" boards... not here.

The .394 MAF reading is in what units? At idle, you might see numbers as low as 6gps, or .8 #/min, so .394 doesn't make any sense......