Daytona thank you very much!. I've done all the guessing on the eddy 1406 I can & now it's time to b scientific about it . I wont b doing any downloading/recording and I wouldn't necc keep it mounted permanently in a vehicle one I get the mixtures dialed in & would want to check several cars. Still the LC-1 kit? Would you suggest a source & a part # as I have no clue what all I need other than the gauge and a sensor of some sort