Quote Originally Posted by dave w View Post
Closed loop is when the computer takes full control of both fuel and spark based on the information from the sensors (Knock, TPS, O2, MAP, RPM, & CTS). Tune using only the data that was recorded when the computer was in closed loop.

dave w
Dave: Did exactly that with a BJKW 0E altered binary and the Suburban is running fairly well. In the process of using your spreadsheet and BLM data to correct the BJKW binary. Looks to be a VERY good method/process. Again, thanks for all your assistance.

Regards,

Rolly
Tucson, Arizona