Air inlet temp questions

[Mr981]

1) where is this sensor mounted?
2) at what point--over ambient--does the temp rise reduce HP output?
3) how much better are the after market systems vs. stock at keeping the air in the intake cooler?
Thanks for any help

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[DevilDogDoc]

The stock sensor is in the air box. As far as temps go I read that above 150 coming out of the intercooler the ecm starts pulling timing and cutting power, the cooler the air going into the turbo the better obviously. My MAP intake runs consistently at ambient to 2* cooler when flying down the freeway.

 

[Chef jpd]

The intake air is not that big an issue, the Charge Air Temperature is where the power loss begins. This is post turbo, post intercooler air.
You can only monitor the CAT with an accessport or similar OBD2 device.

I constantly monitor both inlet and charge temps and on a hot day I will see inlet temps at around 5-10 degrees over ambient, and I've seen Charge air temps soar up to 145 after a pull on a hot day. In standstill traffic I have seen 120 degree inlet temps.
The stock intercooler sucks.
I have a mishimoto intercooler sitting on a shelf, soon to be installed.

 

[Busser48]

I average between 5-12 above ambient with my ATM

 

[hmdballa219]

I have stock FMIC (my levels should be received in about a week or 2) and i have Cobb tune so I constantly watch the charge temps and they rise quickly and get heat soaked and you deff feel the power loss on a day like today it's 80 not humid just normal driving with me hitting it a few times im at around 130. Pretty horrible. I went down to the track the other day and one as running 158 charge air temp. :(

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