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Old 17 January 2011, 01:15 PM
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topshot
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Default Thermostat

Worth changing? im fitting a new alloy rad, hoses and doing throttlebody bypass mod, whilst the coolant is drained is it worth replacing the thermostat for a new OE one whilst im there? or a cooler running one?

Car has done 88k and is standard power until remap later this year.
Old 17 January 2011, 01:20 PM
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i would defo change save you the head ache if it went funny later mate zero sports 1s are good but pricey
Old 17 January 2011, 01:28 PM
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Thats what im thinking, its £55 for zero sport Cooler stat or £28 for subaru one from dealers, is it worth the extra £25? seems a lot for what it is?
Old 17 January 2011, 01:28 PM
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Originally Posted by topshot
Worth changing? im fitting a new alloy rad, hoses and doing throttlebody bypass mod, whilst the coolant is drained is it worth replacing the thermostat for a new OE one whilst im there? or a cooler running one?

Car has done 88k and is standard power until remap later this year.
Got a brand new standard stat here
Old 17 January 2011, 02:28 PM
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Definately replace now rather than having to do it all again later. Go standard new replacement. No need to run cooler ones on road cars.
Old 17 January 2011, 02:30 PM
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Deff. look at a new stat...One that fails and stays open, not closed. The Z/S one and Grimspeed one both do...
Grimspeed one is only $50, looks like the seal they provide is a bit crap though...
http://www.grimmspeed.com/catalog/pr...roducts_id=162
Old 17 January 2011, 02:35 PM
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cheers need it for thursday though latest, so that grimmspeed is a no go. Seems people are split over OE or Zerosports cooler

Do the Subaru ones stay shut if they fail then?
Old 17 January 2011, 03:08 PM
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Before spending big money, I'd ring a couple of local motor factors. Probably get a decent one for under £10.
Old 17 January 2011, 05:26 PM
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Euro car parts have one £16, Facet Thermostat? will the quality be same as subaru one?
Old 18 January 2011, 01:21 PM
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Also i used carplan blue antifreeze last time but local place only stocks comma

They have
http://www.commaoil.com/productsguide/view/6/300
Or
http://www.commaoil.com/productsguide/view/6/353

Are these suitable? subaru near me use shell but dont have stock to sell me
Old 18 January 2011, 01:33 PM
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Originally Posted by topshot
Euro car parts have one £16, Facet Thermostat? will the quality be same as subaru one?
Yes, Subaru are unlikley to make their own as it is. And VERY unlikely to use a dear one.
Even the window switches are branded, "Nissan".
Old 18 January 2011, 01:46 PM
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nice one cheers, anyone help me on which coolant to buy (as posted above)?
Old 18 January 2011, 03:14 PM
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You can use virtually ANY decent modern anti-freeze, just DON'T mix the types. It can cause sludging and waterway blockage.

Mine came from a local factors, not dear, suitable for an alloy engine and with corrosion inhibitor.

So either of the above would do.
Old 18 January 2011, 03:43 PM
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Reading about and it seems newer OAT antifreeze can cause problems in older cars with heater matrix, destroying seals, gaskets etc
Old 18 January 2011, 05:59 PM
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Be careful when buying the pattern thermostats,when i was buying,some of the pattern ones are smaller than the genuine one and also the seal can differ in thickness,some pattern ones do not come with a new seal either.

i opted for the genuine one and seal for £25,seems pedantic but it wasnt a job i wanted to do twice for the sake of £10 difference

and yes,the new OAT stuff can froth up in classics and cause issues,if you have a 2001 onwards impreza,you should be o.k with the later antifreeze
Old 18 January 2011, 06:00 PM
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classics
http://www.halfords.com/webapp/wcs/s...egoryId_229902


later models

http://www.halfords.com/webapp/wcs/s...egoryId_229902
Old 18 January 2011, 06:02 PM
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its a MY00 classic, currently got Standard blue 2 year stuff in but most places locally only stock the newer types i linked to?
Old 18 January 2011, 06:05 PM
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2 options,

1.retain fluid lost when removing the pipes/stat etc, i also removed the rad,found it easier to then
2. buy the proper stuff and re-do the antifreeze at a later date,local halfords ?
Old 18 January 2011, 06:10 PM
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Originally Posted by The Rig
2 options,

1.retain fluid lost when removing the pipes/stat etc, i also removed the rad,found it easier to then
2. buy the proper stuff and re-do the antifreeze at a later date,local halfords ?
dont want to use old coolant as the rad is damaged by a big stone so crap might have got in it.

I looked at halfords antifreeze but it states
Silicate (IAT)based Standard technology

Subaru recommend an anti freeze that is free from amine/phosphates, silicate and nitrite.

Old 18 January 2011, 06:53 PM
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Halfords is a no-no for this sort of stuff, unless you have a spare arm and leg to pay with

Look up motor factors on yell.com
Old 18 January 2011, 07:13 PM
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Cheers located a comma stockist now that i didnt know even existed, only 6 miles away so will go in tomorrow.

If anyone is after a decent alloy rad coolpartsuk on ebay supplied mine and its fantastic, loads better than the standard rad!
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