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Old 06-27-2012, 12:23 PM   #176
PCSkiBum_21
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Old 06-27-2012, 04:29 PM   #177
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Woot!
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Old 06-28-2012, 12:52 AM   #178
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So, what have you guys done to keep your motor temps down? Any chance of keeping temps under control with a 160* thermostat only?

Last Saturday a simple canyon run and the car was overheating within minutes.

Thanks for the help! One of these days I'll be able to join you once I get all the bugs worked out.
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Old 06-28-2012, 01:26 AM   #179
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I dont think a canyon run should make you over heat. A cooler thermostat wont make your temps lower, it will just make it so that it takes longer for them to heat up.

My car would stay pretty cool with the basic Koyo radiator, Aftermarket oil cooler, **ducting as was as higher pressure caps (which will raise the boiling point) I also have a 160* thermostat. But like I said, it wont help once the car is warmed up.

With that setup I was doing 20 minute sessions without getting too hot. Was ~220*F water temps and ~230*F oil temps +/-.

My new setup I am seeing 5-10*F cooler, I have a larger radiator core than Koyo and a larger oil cooler as well as better ducting.
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Old 06-28-2012, 01:48 AM   #180
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Quote:
Originally Posted by PCSkiBum_21
Awesome!
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Old 06-28-2012, 10:45 AM   #181
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Quote:
Originally Posted by docNUCCA View Post
So, what have you guys done to keep your motor temps down? Any chance of keeping temps under control with a 160* thermostat only?

Last Saturday a simple canyon run and the car was overheating within minutes.

Thanks for the help! One of these days I'll be able to join you once I get all the bugs worked out.
Straight water and water wetter should help a little bit.But I don't think that is going to help you out on track.Better think about radiator upgrade and some ducting.Maybe a manual switch for your fans also to turn them on a little sooner.Or drive with the ac on.
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Old 06-28-2012, 11:08 AM   #182
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registered.
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Old 06-28-2012, 04:44 PM   #183
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Quote:
Originally Posted by docNUCCA View Post
So, what have you guys done to keep your motor temps down? Any chance of keeping temps under control with a 160* thermostat only?

Last Saturday a simple canyon run and the car was overheating within minutes.

Thanks for the help! One of these days I'll be able to join you once I get all the bugs worked out.

Your OEM cooling solution probably is having a hard time keeping up with the additional heat from all your extra horse powers!


That being said if you have never pulled your radiator and cleaned it, you could have alot of build up on it which essentially acts as a layer of insulation and thus greatly limits the heat exchange.

Also try:

New coolant,
Upgrade to a bigger radiator,
Check for some ducting solutions to make sure are is passing through it correctly,
Check your fans, you may want to upgrade to a push / pull setup
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Old 06-28-2012, 06:52 PM   #184
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Ducting was probably the biggest improvement i have seen. Removing my AC Condenser and larger Koyo radiator helped as well. My STI would be about 210 F on most days. Oil temps still get pretty high even with external oil cooler (240-250 F) but i need to build better ducting to see if that helps.
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Old 06-28-2012, 11:17 PM   #185
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Radiator is an Autozone copy of the OEM. Coolant has 10,000 miles on it. As of today, 160* thermostat, new coolant and water wetter additive.

4th gear pulls on I15 today (7PM-100*) from Bountiful to North Salt Lake and temps climbed to 3/4 rather than typical Subie half gauge.

Something ain't right........
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Old 06-28-2012, 11:53 PM   #186
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Yeah, That shouldn't really happen. Are you losing coolant?
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Old 06-29-2012, 12:17 AM   #187
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Slight amount disappears from overflow bottle. I've had to bring it back up to low/cold from empty probably 4 times since the radiator went in 10K ago.
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Old 06-29-2012, 01:02 AM   #188
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Might want to check to see if exhaust is getting into your coolant. Are there any upgraded radiators for your set up? On my wrx I went from fans cycling in the summer to almost no fan action with just a 2core set up. Coolant temps during spirited driving went from 205-210 to never seeing above 195 . I'm going to be running a koyo on my next set up.
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Old 06-29-2012, 08:15 AM   #189
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Quote:
Originally Posted by docNUCCA View Post
Radiator is an Autozone copy of the OEM. Coolant has 10,000 miles on it. As of today, 160* thermostat, new coolant and water wetter additive.

4th gear pulls on I15 today (7PM-100*) from Bountiful to North Salt Lake and temps climbed to 3/4 rather than typical Subie half gauge.

Something ain't right........
If you just changed out your thermostat you may still have a few air pockets in the system.If you havn't changed it out you may want to.
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Old 06-29-2012, 10:39 PM   #190
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A thermostat isn't going to help with engine temps unless it isn't working at all. it's just going to start circulating the water sooner but whether its at 160, 170 or 180 it isn't going to help you when it's at 220. If everything is working properly check your tune.
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Old 06-29-2012, 11:33 PM   #191
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3 data logs were sent to Jesse to check on that end of things. Both the radiator and upper coolant reservoir were checked for air bubbles. Nada, both were topped off and happy. Overflow tank was just below low cold mark this AM.

Best of luck to all racers tomorrow! Next time.........
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Old 06-29-2012, 11:53 PM   #192
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Check your radiator cap, mine quit working and temp would rise on spirited drives or in traffic but freeway cruising was fine. Of course I checked everything else first thinking it couldn't be that simple but it was, plus it's cheap and easy.
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Old 06-30-2012, 12:07 AM   #193
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Now that you mention it, I did switch to 2 new Blitz 1.3bar caps a few weeks ago. I'll revert back to OEM and see if it makes a difference.
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Old 06-30-2012, 11:08 PM   #194
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Had a good time today. Looking forward for next month.
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Old 07-02-2012, 01:03 PM   #195
Eww Evo
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I have more pictures I'll upload later.


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Old 07-02-2012, 03:19 PM   #196
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Were are the results?
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Old 07-02-2012, 04:06 PM   #197
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http://www.mylaps.com/results/showrun.jsp?id=2346571

Shawn in limited AWD was faster then the Unlimited AWD peeps! Good job man!
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Old 07-02-2012, 04:12 PM   #198
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here is a link to the rest of the sessions.
http://www.mylaps.com/results/showevent.jsp?id=801648


i beat my previous best time of 1:46.286 with a 1:45.659 in the first session

i know there was some tech difficulties, but I checked vid and the times match, the only difference was the lap i did it in.

stoked

yeah, shawn was hauling ass.

if you have the time, richard, can you send me some clips of while i was behind you? i think some screen shots would look sick.
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Old 07-02-2012, 04:17 PM   #199
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Yeah I haven't even looked at it. My in car gopro's memory card has gone missing! I was pissed. I don't know what on earth I did with it, but I haven't pulled the one out of the rear so I should have something for you.
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Old 07-03-2012, 01:30 AM   #200
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Thanks guys. I'm suprised all of us did as well as we did with how hot it was saturday. See you guys later this month.
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