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ed_ma61
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May 2002
Re: thermo switch placement Mon, 08 March 2004 09:41 Go to previous messageGo to previous message
my 2c ...

the top coolant outlet and top rad tank should see a reasonably stable temperature (assuming the cooling system is working properly)...

the BOTTOM rad tank will see wildly varying temperatures depending on how effective the radiator is working. and what effects the funcion of the radiator? the amount of air going through it...

either way, the temperature of the coolant exiting out of the bottom radiator tank will ultimately be reflected in the temp coming out of the top of the engine.

AS SUCH - it make FAR more sense to run the switch off the bottom of the radiator tank where the switch can regulate the FUNCTION of the radiator, and stabilise its output temperatures (which will then be reflected in coolant outlet temp stability).

running the switch off the coolant outlet or top radiator tank is like catching the bull after its left the gate... ie the radiator has MALfunctioned, temps have gone up, and noww youre corecting the functional error by switching on the fans.

MUCH better IMHO to run the switch based DIRECTLY on radiator functional status - ie bottom tank. that will keep the running temp stable as anything.

it takes a bit more beffing around to get a bottom mounted switch to work though Smile

PS - many factry cars run bottom mounted switches

cheers
ed
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SubjectPosterDate
Read Message   thermo switch placement bmakSun, 07 March 2004 05:48
Read Message   Re: thermo switch placement FKN16VSun, 07 March 2004 10:53
Read Message   Re: thermo switch placement bmakSun, 07 March 2004 10:58
Read Message   Re: thermo switch placement FKN16VSun, 07 March 2004 11:07
Read Message   Re: thermo switch placement Cool1Sun, 07 March 2004 11:13
Read Message   Re: thermo switch placement clubagreenieSun, 07 March 2004 11:33
Read Message   Re: thermo switch placement stylezMon, 08 March 2004 03:55
Read Message   Re: thermo switch placement SeptemberSquallIndustriesMon, 08 March 2004 05:02
Read Message   Re: thermo switch placement clubagreenieMon, 08 March 2004 06:59
Read Message   Re: thermo switch placement  ed_ma61Mon, 08 March 2004 09:41
Read Message   Re: thermo switch placement people100Mon, 08 March 2004 10:48
Read Message   Re: thermo switch placement bmakMon, 08 March 2004 11:10
Read Message   Re: thermo switch placement people100Mon, 08 March 2004 10:46
Read Message   Re: thermo switch placement FKN16VMon, 08 March 2004 11:10
Read Message   Re: thermo switch placement ed_ma61Mon, 08 March 2004 11:31
Read Message   Re: thermo switch placement FKN16VMon, 08 March 2004 12:13
Read Message   Re: thermo switch placement bmakMon, 08 March 2004 12:24
Read Message   Re: thermo switch placement oldcorollasMon, 08 March 2004 12:24
Read Message   Re: thermo switch placement ed_ma61Mon, 08 March 2004 12:24
Read Message   Re: thermo switch placement thechucksterMon, 08 March 2004 12:43
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