EXHAUST TEMP GAUGE: wHERE WOULD YOU SAY THE BEST LOCATION IS? before or after the turbo; would it matter? could you stick it in the co pipe fitting??? now the real question:...what do you do with the info??!! i asked a few people at the limerock qclub event.....duh!! no help. I have a gauge and am wondering what to do with it.....worth installing? TIA Phil P.S. enough with the VR6....OK?!