Part 1:

I am curious to see if anyone has measured the intake temperature. In particular, I am talking about the temperature of the air after it leaves the compressor BEFORE it reaches the intercooler.


Part 2:

What is the temperature of the compressor housing itself? Idle, cruising, redline?



I ran a search with no results. I don't even know if someone makes a gauge for this. Maybe one of those infrared thermometer would do the trick. Your guess is as good as mine.

What do you think?

 

i know the intake temp before the intercooler would be almost ambient or close to whatever temp it is outside. for the answer to part two, you gotta lick the housing after driving fast to get an accurate reading. lol.

oh, you mean after the turbo before the intercooler. whoops. good question. hot?

 

Do you think that the hot compressor changes the ambient intake temp?

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Does anyone know the temp after the intercooler?

 

Go with yourself Geoff! Let me know if you need anything! Shoot me a pm!

 

It definetly does. Thats why most guys try to isolate their air filter from the engine bay

 

Anyone have even a guess? I dont want to go out and buy a 100 dollar thermometer .

 

There was an old article by scc from dave Coleman that dealt with intake charge and temps. I don't remember the full article but it should answer all your questions.

 

Took some time, but I tracked him down. He works for Mazda now. I left a message for him.

 

Hey guys. I have been asking around and still no concrete answers. I thought that if I would throw it in here for a soak and see what happens since you guys are the evo geniuses.

I guess we can start with some ballpark estimates

 

Assuming people have extra IATs in place to measure this, you'll get varied answers depending upon operating/coolant temp and boost level at the time of measurement. Keep in mind that compression creates heat, so you won't get the same reading at a steady 5psi that you would at a steady 30psi. I also don't know how quickly IATs react to changes in air temp, because I can't imagine anyone remains at the same boost level for very long unless they're at WOT while racing.

 

Autometer makes a gauge for intake temp, but you are right it will probably just sweep back and forth and not give a true reading.

As with pretty much everything there are variables. I am not looking some an answer right down to the degree. A temp range would even work.

Just talking out loud here...

WOT

Ambient outside air temp ~80 degrees

boost 18-20 psi

EGT ~1500 degrees

=

Charged intake temp ~300


Does that even sound plausible?