| [ Total Views: 1437 | Total Replies: 15 | Thread Id: 63239 ] |
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 crazyfiggi
A.k.a.: Alex
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| posted on June 18th, 2007 at 04:43 PM |
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Subaru thermostat?
Hi everyone, as some of you know im in the process of fitting a ej22 into my 85 caravelle which is going well and hopefully the motor will be bolted
in next weekend.
I was told by a mechanic to remove the little valve thing from my thermostat and enlarge the hole a bit. Ive herd about this before but im unsure if i
need to do it for mine, and if i do im unsure exactly how much i should enlarge the hole by? Any advice would be great,
Thanks,
Alex.
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VWCOOL
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| posted on June 18th, 2007 at 06:19 PM |
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Is your mechanic a Subaru powertrain engineer? Might be an idea to leave it as Subaru intended for now...
Pay your debts, CxxT
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seagull
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| posted on June 19th, 2007 at 01:54 AM |
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Tell him to stop loking down the eye of his dick & tell him its a Subaru & not a ford XF
Looking for that special lady : PM me for coffee & cake
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72RSbug
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| posted on June 19th, 2007 at 02:26 AM |
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because the engine and radiator are much further apart then in a subaru I drilled 3 2mm holes in the thermostat to decrease the drop in temperature
once the radiator is used and it seems to work pretty good
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pete wood
A.k.a.: figure itout
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| posted on June 19th, 2007 at 12:57 PM |
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big big discussion on that here...
http://forums.aussieveedubbers.com/viewtopic.php?tid=61265
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VWCOOL
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| posted on June 19th, 2007 at 03:09 PM |
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lol... I was hoping you'd chime in, Pete!
Pay your debts, CxxT
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pete wood
A.k.a.: figure itout
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| posted on June 20th, 2007 at 04:00 PM |
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just so you know. I know have the stocker 85deg one in place. NO extra holes. Flipper valve still in place. Keeps the engine nicely warm without
getting hot from what I can see. And subaru designed that way...
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subaruboxer
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| posted on June 21st, 2007 at 04:49 AM |
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I gave it a try with a 3 mm hole. And I would not do it!
The only thing it did, was that it took three times as long to get the engine up to it´s operating temps. I use a stock thermostat without a hole.
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crazyfiggi
A.k.a.: Alex
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| posted on June 21st, 2007 at 06:52 PM |
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Thanks for the advice everyone, gona leave it standard for now with no hole and see how it goes. If i want to try a hole its not hard to pull the
thermostat out and put one in.
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GTMac
A.k.a.: Andrew
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| posted on June 21st, 2007 at 08:01 PM |
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I have not run a thermostat for about 1 1/2 years.......whoops!:duh
Thought I had one until I checked the other day.
1971 Type 3 Fasty - EJ20T
I love 242HP sleepers. 
How many sets of lights does it take a $229k Carrera S to learn? 
UPDATE: Cayman S, M3, B4 now added to the list. |
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pete wood
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| posted on June 22nd, 2007 at 09:46 AM |
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I hope you have super thin oil.
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GTMac
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| posted on June 22nd, 2007 at 10:56 AM |
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Pete,
Going to Suby today with your part no. for a thermostat 
| Quote: | Originally
posted by pete wood
I hope you have super thin oil.
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1971 Type 3 Fasty - EJ20T
I love 242HP sleepers.
How many sets of lights does it take a $229k Carrera S to learn?
UPDATE: Cayman S, M3, B4 now added to the list. |
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pete wood
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| posted on June 22nd, 2007 at 12:16 PM |
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Good man,
I hope enjoy bleeding the cooling system up.
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ElusiveStranger
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| posted on June 23rd, 2007 at 02:37 AM |
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Dunno what happened to my post yesterday.
Use the thermostat as is
Use a flow through header tank. Mine's just connected between the H2O manifold and the matrix lines - works a charm on the bleeding. I had a single
feed from the bottom of the tank before and it gave me slight problems
(forgot to look at where you are, mine's from a UK Vauxhall Fronteria)
In Helbus' thread he's used flow through (custom made) between the main water outlet and rad
HTH
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GeorgeL
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| posted on July 12th, 2007 at 10:47 AM |
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Just make sure that your bypass hose is connected correctly from the outlet manifold to the nipple on the thermostat housing. That provides the
signal to open the thermostat. A hole in the thermostat will actually delay warmup by forcing the engine to warm up all of the coolant rather than
just the coolant in the engine.
If you're running a big heater like the Canadian Vanagon folks there is a bypass mod to keep the engine cool while the heater is running.
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ElusiveStranger
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| posted on July 14th, 2007 at 01:51 AM |
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| Quote: | Originally
posted by GeorgeL
Just make sure that your bypass hose is connected correctly from the outlet manifold to the nipple on the thermostat housing. That provides the
signal to open the thermostat. A hole in the thermostat will actually delay warmup by forcing the engine to warm up all of the coolant rather than
just the coolant in the engine.
If you're running a big heater like the Canadian Vanagon folks there is a bypass mod to keep the engine cool while the heater is running.
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Bypass:
We're not that cold here (UK) & I'm not running a clorifier (SP? -
water heaters) either.
Tom developed it for more extreme cold & I've heard some Aussies have bought it as they run clorifiers.
I've actually installed a 'H' type bypass between the matrix and engine with an isolator fitted in the "-" part. All's well, including during
our winter months.
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