Originally posted by Rara:
warmonger, to determine any meaningful efficiency numbers, you need to get the air temp after the turbo but before the IC, and also after the IC, all while under boost.

The air temp will be quite different between on and off boost.



Yeah I understand that they will be quite different on/off boost. However, this is what I have done so far and the numbers do have some meaning though they may not truly indicate what will happen at full boost. If this follows newtonian cooling then I can say that when the temp difference is even higher, then it will cool a lot better. At least I can say the intercooler is actually working from just from these simple tests and the two measurments when the car was under boost. Of course I need to get the damn thermocouple mounted and take a ride to determine real efficiency. Initially I won't be able to do any accurate measurements since I don't want to cut a hole in anything else right now until I figure out a good permanent way to measure temp. I'm looking for a good round 52mm gauge that will indicate air temp and I can hook it up to the intake.
Anyone recommend a good one?

Former owner of '99 CSVT - Silver #222/2760 356/334 wHP/TQ at 10psi on pump gas! See My Mods '05 Volvo S40 Turbo 5 AWD with 6spd, Passion Red '06 Mazda5 Touring, 5spd,MTX, Black