Generation III Internal Engine 1997-2006 LS1 | LS6
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Old Jul 21, 2011 | 01:08 AM
  #1  
airattack111's Avatar
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From: lafayette, louisiana
Default Thermostat

Been looking at thermostats for the ss. Do you have to get the one with the housing included (hypertech) or can you just get the thermostat alone? $55 is a lot for a thermostat lol.

Also should I get the 160 or the 180? I live in louisiana and it gets very hot 80% of the year, in the winter it hardly ever drops below freezing. My car seems to run a lot smoother at colder engine temps.

Also I do have HPTUNERS so I can tune the fans for either thermostat.

Thanks in advance.
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Old Jul 21, 2011 | 03:34 AM
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depends on what style water pump you have. i learned this the hard way. i ordered a Ls1/ls6 mr gasket 160 thermo from summit. on package though it said "late model" and its the drop in kind. I however have an early model 2000 water pump. the thermo and the housing is all one piece.

IF you have the later style water pump i have a 160 thermo ill sell you for 35 shipped
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Old Jul 21, 2011 | 09:07 AM
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Why do you need a new thermostat? Did you know you can adjust the stock unit to open at a lower temperature? Here's how: Link
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Old Jul 21, 2011 | 12:01 PM
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Autozone sells them for 30 all day long. Forget part number run a search got mine from oreillys 25 shipped
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Old Jul 22, 2011 | 02:16 PM
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Louisiana SUCKS in the summer!!
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Old Jul 22, 2011 | 02:36 PM
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old style pump: thermostat and housing are integral.
new style pump: thermostat and housing are separate.

I'm not sure how/what year/model defines new or old style pump, I just know one when I see it
(the integral thermostat/housing doesn't fit all the way into a new style pump).
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