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thoughts on thermostat upgrade ?

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Old 26 June 2014, 11:46 AM
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wrxmargy
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Default thoughts on thermostat upgrade ?

Heyy yalls !
My radiator on my 2004 wrx is looking abit tired so im going to get my self a mishimoto one to replace, just thinking really while I'm there would a 160 degree thermostat benefit me ? I'm all about keeping things cooled down but have read some Americans rowing on a forum about having to change oil ect ect blah blah, just want good info straight to the point lol ,
Regards
Old 26 June 2014, 05:13 PM
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bump
Old 26 June 2014, 07:22 PM
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mickywrx
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160 degree!?

Your engine would have died long before the temps got that high.

OEM works just fine, or you could try something like the ZeroSports.

Worth doing a search and having a read though:

https://www.google.co.uk/?gfe_rd=cr&...rmostat+subaru
Old 26 June 2014, 07:45 PM
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you need the oem one for normal use, lower temp thermostats don't work well in winter, lowering oil temps to much in cold weather.
Trev
Old 26 June 2014, 07:56 PM
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low temp staes are for race use, if you want to keep temp down fit a a good oil cooler with themostate
i has been a god send on wifes rally car
Old 26 June 2014, 08:44 PM
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alcazar
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Stick to OEM rads and thermostats. They work well...why waste money?
Old 26 June 2014, 09:36 PM
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All good advise above
Nothing wrong with OEM
Old 26 June 2014, 09:38 PM
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wrxmargy
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thanks alot guys, Never fail to get good info round here still going to get a mishimoto rad tho, any thoughts on this ? the weld quality looks good n it prettys up the bay abit
Old 26 June 2014, 09:49 PM
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Originally Posted by mickywrx
160 degree!?

Your engine would have died long before the temps got that high.

OEM works just fine, or you could try something like the ZeroSports.

Worth doing a search and having a read though:

https://www.google.co.uk/?gfe_rd=cr&...rmostat+subaru
160 degrees fahrenheit not celsius, Ill remember the F next time lol
Old 27 June 2014, 12:25 AM
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I have a mishimoto X line rad in my hatch as the oem **** thin thing was useless, a good hard thrashing and the water temps rose quite sharp to over 90c fitted the new rad and a high flow 78c stat and all is good.

Last edited by rob84; 27 June 2014 at 12:27 AM.
Old 27 June 2014, 08:34 AM
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53
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Unless it's tracked go oem or Zerosports
Old 27 June 2014, 04:50 PM
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Originally Posted by rob84
I have a mishimoto X line rad in my hatch as the oem **** thin thing was useless, a good hard thrashing and the water temps rose quite sharp to over 90c fitted the new rad and a high flow 78c stat and all is good.
Thanks matey
Old 27 June 2014, 04:53 PM
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Originally Posted by 53
Unless it's tracked go oem or Zerosports
Thanks mate ill check out the zerosports
Old 27 June 2014, 05:18 PM
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Zerosports is a 71dg stat and works really well. On my 2.5 it cruised at 78-84 and idles after hot runs a 88-92 peaking at 93 full boost on track

The Cosworth one I have now I bought for track use only and is too cold for road really on a year round basis. It cruises at 74-80 and with the eom oil cooler doesn't get a great deal hotter ideal for track but not on an everyday car

I run the Zerosports on the classic I have as well and I've never had one fail or a system that's got too hot. The benefit of a stat like a Zerosports as well is that should they fail they fail in the open position. OEM stats fail closed. This is an added safety benefit with the worst that can happen is a cold system, preferable to a cooked one
Old 27 June 2014, 07:48 PM
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mickywrx
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Originally Posted by 53
OEM stats fail closed. This is an added safety benefit with the worst that can happen is a cold system, preferable to a cooked one
That happened to mine, it's not ideal.
Old 28 June 2014, 02:46 PM
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wrxmargy
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Originally Posted by 53
Zerosports is a 71dg stat and works really well. On my 2.5 it cruised at 78-84 and idles after hot runs a 88-92 peaking at 93 full boost on track

The Cosworth one I have now I bought for track use only and is too cold for road really on a year round basis. It cruises at 74-80 and with the eom oil cooler doesn't get a great deal hotter ideal for track but not on an everyday car

I run the Zerosports on the classic I have as well and I've never had one fail or a system that's got too hot. The benefit of a stat like a Zerosports as well is that should they fail they fail in the open position. OEM stats fail closed. This is an added safety benefit with the worst that can happen is a cold system, preferable to a cooked one
cheers mate, the failing in the open position is what made me think about getting a different one, just sells its self with a safety feature like that really
Old 28 June 2014, 02:51 PM
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What is the oem stat rated at in comparison to zerosports 71degree?
Old 28 June 2014, 04:36 PM
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Standard Turbo Thermostat is 78 degrees Celcius
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