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12-25-2012, 09:15 PM | #1 |
Scooby Newbie
Member#: 41618
Join Date: Aug 2003
Vehicle:2008 WRX Hatch wrb |
boost lower in colder weather ?
We have 10 degree F weather here and for some reason the boost onmy WRX is lower ??? (on my previous turbo car it would go higher in cold weather)
I'm running the same stage 1 91 Low wastegate as before, did a reflash, put on a normal wastegate map, atill the same.. all of them gave me a lower boost setpoint of around 10 psi instead of the rock solid 13.1 psi i would see on it during summer.. what gives ?
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12-26-2012, 02:08 PM | #2 |
Scooby Specialist
Member#: 72829
Join Date: Oct 2004
Chapter/Region:
W. Canada
Location: Calgary, Canada
Vehicle:2006 WRX 2015 WRX |
In the newer cars, boost target drops by quite a bit once temperature drops to 32F and below.
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12-26-2012, 04:22 PM | #3 |
Scooby Specialist
Member#: 245218
Join Date: Apr 2010
Chapter/Region:
South East
Location: FL
Vehicle:2013 STI Limited |
IAT Boost Target and IAT WGDC comp tables pull out boost when the intake air temp starts getting below 65F. They get really aggressive at such cold temps as 10F. I would imagine Cobb did not have much ability to tune their OTS maps optimally for such cold temps.
Your choices are to have a protuner tune it, or get ATR and adjust it yourself if you dare. |
12-26-2012, 04:55 PM | #4 |
Scooby Newbie
Member#: 41618
Join Date: Aug 2003
Vehicle:2008 WRX Hatch wrb |
checked it out in accesstuner and it's is that.
and no i won't play with fire...Id need a winter map and a summer map... and in winter having full boost won't change much when there 6 feet of snow everywhere. better to have lower boost in winter than ring lands popping. Last edited by fr0st; 12-26-2012 at 05:31 PM. |
12-27-2012, 02:05 AM | #5 |
Scooby Newbie
Member#: 315961
Join Date: Apr 2012
Chapter/Region:
NWIC
Location: Everett, WA
Vehicle:2008 WRX Dark gray metallic |
OP, I was having the same question. Thanks for posting, and finding the answer. I wound up talking to Dom at Maxwell power and he echoed about the same as you just said. What a relief.
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12-27-2012, 05:28 PM | #6 | |
Scooby Newbie
Member#: 41618
Join Date: Aug 2003
Vehicle:2008 WRX Hatch wrb |
Quote:
i went in access tuner and saw that i could disable it but i would need to check afterwards that i don't max out my injectors and run lean.. better off having less boost at -10 or -20 .. don't drive that fast anyways and besides, the 4 wheels spin anyways with 10 psi of boost o snow.. What would i do with the extra HP? Last edited by fr0st; 12-28-2012 at 05:38 AM. |
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12-29-2012, 08:38 AM | #7 |
Scooby Newbie
Member#: 315961
Join Date: Apr 2012
Chapter/Region:
NWIC
Location: Everett, WA
Vehicle:2008 WRX Dark gray metallic |
Make more noise lol, and be sideways
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12-29-2012, 12:22 PM | #8 | |
Scooby Specialist
Member#: 245218
Join Date: Apr 2010
Chapter/Region:
South East
Location: FL
Vehicle:2013 STI Limited |
Quote:
Good point but I'm OCD enough to where I would have to fix the tune. I mean what would you want if you had zombies chasing you in ice cold temps during the winter? I would want that extra 3 PSI! |
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01-06-2013, 07:56 AM | #9 | |
Scooby Newbie
Member#: 41618
Join Date: Aug 2003
Vehicle:2008 WRX Hatch wrb |
Quote:
You just need a wagon to carry more stuff like that RPG that's in a wooden crate |
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01-06-2013, 08:01 AM | #10 |
Scooby Specialist
Member#: 245218
Join Date: Apr 2010
Chapter/Region:
South East
Location: FL
Vehicle:2013 STI Limited |
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