I have always put them on the hot side of the IC closest to the turbo possible. I was told long ago and believe that would get the pressure off the turbo compressor wheel the fastest for protection.
Okay, looks like we are down for the day trip too. It will be the first time out with our rail! It will be more of a shake down ride for us and getting to know the rail and dunes! What time you all getting into Dumont? I'm not sure how long it is from Vegas but on my end it's about a 3 hour drive.