Engine/Power - EJ25T (STI and 2006+ WRX) Discussions about the USDM 2006+ WRX and WRX STi 2.5 liter turbo flat-four.

engine makes interior so hot??

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Old 08-22-2004, 08:17 PM
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My STi does the same thing. After running the car hard, parking it for a bit, then getting back in, it definitely feels warmer. You'll also notice very warm air coming in from the vents for a few minutes.

Perfectly normal.
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Old 09-01-2004, 12:07 AM
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its because turbo is located right in front right of the firewall. its called heat soak..
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Old 09-01-2004, 12:37 AM
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No. Its because STi's don't have insulation that regular WRX's have. Like the floor padding and the firewall insulating material is thinner.
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Old 09-01-2004, 05:09 PM
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I can feel it all over the outside too.. I thought it was just my sti getting super hot, I started worrying but as far as the interior is concerned I just keep A/C on... Does anyone know if make makes much of a power difference having it on??
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Old 09-01-2004, 10:07 PM
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You'll also notice that the engine heats the interior air if you run just air, no A/C (or even if you vent air from outside). I never run the electric heat in my car (well, I live in Arizona, duh) unless it is genuinely cold outside, because the car's engine generates enough heat by itself.

My WRX heats the entire 2-car garage by about 20 degrees after my highway commute home. I park the car, go inside, take the trash out about 30 minutes later and the garage is like an oven!
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Old 09-01-2004, 10:08 PM
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Originally Posted by kewldan
I can feel it all over the outside too.. I thought it was just my sti getting super hot, I started worrying but as far as the interior is concerned I just keep A/C on... Does anyone know if make makes much of a power difference having it on??
It can't be as noticeable of a difference with the STI, but with my 02 WRX the A/C MURDERS my low-end power and makes the car much more difficult to shift properly.
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Old 09-02-2004, 12:10 AM
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Originally Posted by meilers
It can't be as noticeable of a difference with the STI, but with my 02 WRX the A/C MURDERS my low-end power and makes the car much more difficult to shift properly.
i think the sti is like that for me also, even though it makes more power than the wrx. starting from a stop, i have stalled it a few times because the ac is on so it does make a difference to me.
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Old 09-07-2004, 01:57 PM
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Originally Posted by meilers
You'll also notice that the engine heats the interior air if you run just air, no A/C (or even if you vent air from outside). I never run the electric heat in my car (well, I live in Arizona, duh) unless it is genuinely cold outside, because the car's engine generates enough heat by itself.

My WRX heats the entire 2-car garage by about 20 degrees after my highway commute home. I park the car, go inside, take the trash out about 30 minutes later and the garage is like an oven!

Wtf is electric heat? The only electric heat in the car is the seat warmers, vent heat runs of engine coolant, welcome to cars 101
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Old 09-07-2004, 05:58 PM
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no insulation. turboed subies are super fricken hot.
perfectly normal.



aloha from the summit of Mauna Kea
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Old 10-05-2004, 09:05 AM
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Originally Posted by Imprezer
No. Its because STi's don't have insulation that regular WRX's have. Like the floor padding and the firewall insulating material is thinner.
yeah but my WRX did the same thing...
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