I just got mine today its awesome tells you litterly everything on your laptop graphs, guages, raw data, 1/4 & 1/8 & 0-60mph times slips.... ugh im in love.

 

more info please and thanks what is the Elm you speak of

 

Palmer Performance Engineering developed this. He is using ScanXL I assume. You can buy it off Palmer website or through trifecta as well.

 

The elm 327 is a obdii 2 to laptop connector , you can read realtime data and log it of almost anything on your engine. i use obd-diag software and proscan software. It also lets you do your very own timeslips and everything.