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Old 08-24-2009, 02:43 AM   #1
Matt_az
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Default 105 degree plus days in phx.

The problem is fixed. One of the clips on the engine cover (I know, lame) popped off and got wedged in the driver side fan. This caused the fan fuse to blow. Thanks again for all of your input.


I am a relative newb to subis and wanted to ask some of you guys a question about running temps. I have an 08 FSXT with a vf43, sti tmic, cobb ap2, and a catted downpipe.

On days where the temps approach 105+ and I have been doing standard driving, if I sit in a drive through or in rush hour traffic my temp gauge will get up to the 2/3 to 3/4 range. Once I get going again the temp drops right back to normal.

Would it be advantagous to run a more mild tune on the hotter days?
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Last edited by Matt_az; 08-25-2009 at 05:51 PM. Reason: update/problem fixed
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Old 08-24-2009, 02:55 AM   #2
sje323
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you could consider running a meth setup
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Old 08-24-2009, 03:22 AM   #3
ShaggyTR
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mhmmm meth
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Old 08-24-2009, 03:40 AM   #4
Fierysun
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Have you considered getting a larger aftermarket radiator and external oil cooler?

Those will help cool down the car quite a bit.
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Old 08-24-2009, 04:01 AM   #5
Evil Imports
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+ 13 B8

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Quote:
Originally Posted by Matt_az View Post
I am a relative newb to subis and wanted to ask some of you guys a question about running temps. I have an 08 FSXT with a vf43, sti tmic, cobb ap2, and a catted downpipe.

On days where the temps approach 105+ and I have been doing standard driving, if I sit in a drive through or in rush hour traffic my temp gauge will get up to the 2/3 to 3/4 range. Once I get going again the temp drops right back to normal.

Would it be advantagous to run a more mild tune on the hotter days?
none of my cars get that high when sitting around not moving, something else might be wrong there
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Old 08-24-2009, 04:03 AM   #6
Evil Imports
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Quote:
Originally Posted by sje323 View Post
you could consider running a meth setup
Did you understand the question??
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Old 08-24-2009, 04:08 AM   #7
fastnoypi
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sounds like low on coolant or a busted rad cap, are fans even kicking on? defintitely a problem somewhere
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Old 08-24-2009, 04:17 AM   #8
FastS2k
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Mine FXT was doing something similar last summer only with the ac on and I have a big Koyo. Turned out to be a fan problem.
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Old 08-24-2009, 05:15 AM   #9
bObby
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Quote:
Originally Posted by fastnoypi View Post
sounds like low on coolant or a busted rad cap, are fans even kicking on? defintitely a problem somewhere

You beat me to it.
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Old 08-24-2009, 08:21 AM   #10
kpluiten
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Wirelessly posted (LG Voyager: Mozilla/4.1 (compatible; MSIE 6.0; ) 400x240 LGE VX10000)

Definately a cooling issue. Will it drop and rise over and over? If so, you might have a bubble in the cooling system. If it goes away again only when you're moving, I'd look into a fan issue. Do you notice the fans kicking on?

No tune is going to change how cool or hot you car runs when you're sitting around idling.

Last edited by kpluiten; 08-24-2009 at 08:24 AM.
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Old 08-24-2009, 10:27 AM   #11
bigpatskize
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105+ give me a break
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Old 08-24-2009, 12:58 PM   #12
AWDshenanigans
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Quote:
Originally Posted by sje323 View Post
you could consider running a meth setup
i just remembered the time me and rick were at hooters and he said "i cant wait for my meth kit to come in" loud enough for a bunch of other people that don't know about cars to hear and mean mug us for a while
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Old 08-24-2009, 12:58 PM   #13
AWDshenanigans
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has anyone tried that grimmspeed 160 degree thermostat yet?
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Old 08-24-2009, 02:17 PM   #14
fastnoypi
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Quote:
Originally Posted by AWDshenanigans View Post
has anyone tried that grimmspeed 160 degree thermostat yet?
its identical to the Crucial and Gimmick t-stats made by motorad, get whichever is cheaper.
Expect longer warm up times closer around winter.
If you plan on trips up in the snow, it can be a PITA. A stock temp t-stat is sufficient for most situations, failsafe 170* ones can be ordered at Checkers
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Old 08-24-2009, 02:18 PM   #15
AWDshenanigans
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is there a noticable driving difference?
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Old 08-24-2009, 02:45 PM   #16
fastnoypi
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not really, only when its not warmed up. during startup, its even less of a noticable difference when using a 5w* oil, than a 10w* oil to get to full operating temperature, just my observations.
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Old 08-25-2009, 12:42 AM   #17
Matt_az
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I was doing a visual inspection and noticed that only 1 of the fans was running. Do they start sequentially or should they both be on or off?

Coolant has been checked, it was slightly low but was only able to take about 12oz of coolant. I will probably replace the rad cap this weekend. This has only happened a couple times.
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Old 08-25-2009, 01:15 AM   #18
gormonk
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both fans should be on or neither of them will be on. sound like you have a fan problem
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Old 08-25-2009, 01:17 AM   #19
Matt_az
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thanks for all of the advice. i will check out the fans.
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