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Old 10-14-2008, 11:21 AM   #21
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make sure your fan is working, you have no pinhole leaks, the cap is holding pressure

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Originally Posted by rccote View Post
Would a garage vary lip help with this at all?

yes, but not as good as some good shrouding...reinstall your undertray. In the least get grab some sheet metal or aluminum and run it under the front of the mouth to the rear of the rad.




I saw the same issue on the track without an undertray, as soon as i hit +100mph the temps would peg, slow down and they'd go back to normal instantly. Went back a few months later with more top speed and an undertray and had zero issues.
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Old 10-14-2008, 11:35 AM   #22
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Originally Posted by paul View Post
Do you have that BEGi t splice going into the upper rad hose? Kinda weird that your temps are that low with a stock rad.
Maybe his temp curves on the PNP are wrong.
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Old 10-14-2008, 12:08 PM   #23
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Maybe his temp curves on the PNP are wrong.
they're where they should be until it starts getting cold. All this happened after the shrouding. I'm pretty sure it's not the PNP.
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Old 10-14-2008, 02:40 PM   #24
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definently would change thermostat if it hasn't been replaced for awhile
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Old 10-15-2008, 04:07 PM   #25
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I would change the thermostat and cap just as maintaince first even though neither are issue. Easiest thing to try is the belly pan; buddy of mine had the same issue with his turboed miata here in florida. He ran 70/30 and on the highway it would want to overheat. He never tried the belly pan but put a koyo in it and it's been fixed since.
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Old 10-15-2008, 05:55 PM   #26
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I went to replace the thermostat and I noticed there's this maybe inch long metal spacer between the thermostat housing and the bottom. Anyone want to chime in about this? Doesn't look stock. I'm contemplating tapping it and putting a real water temp sensor there.

Last edited by rccote; 10-15-2008 at 07:43 PM.
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Old 10-15-2008, 06:06 PM   #27
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Quote:
Originally Posted by johndoe View Post
they're where they should be until it starts getting cold. All this happened after the shrouding. I'm pretty sure it's not the PNP.
My temps sometimes drop below operating in cold weather. I have the stock radiator with no shrouding/belly pan. I do have the begi reroute.

(sorry to threadjack, this is the exact opposite of what this thread is about)
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