Thanks again for the help. Ultragauge showed up last week and I have been monitoring my intake numbers to get a baseline for comparison. Temps will be hard to compare but I'll see what averages look like. Available numbers are intake temp (f), intake pressure (psi), MAF1 (g/s), MAF2 (g/s). I setup a view with those numbers plus throttle position (%). Main thing I can see is throttle position vs MAF readings. Speed/RPM doesn't seem to effect much but I'll have to keep an eye out. So far MAF readings are consistent at specific throttle positions. I'll try to get on the highway and use the cruise control to keep the throttle position as steady as possible and compare numbers at the same % with different parts. Not really sure what else I can use besides dyno time. Will prob start ordering some parts this weekend.