4.0L OHV & SOHC V6 Tech General discussion of 4.0L OHV and SOHC V6 Ford Ranger engines.

Which thermostat?

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Old Jul 8, 2005
  #1  
Mr Mufakka's Avatar
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Which thermostat?

Mine is needing to be replaced. Should I go with the stock 192° piece or should I step down to the 180° one? This is on a SOHC.
 
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Old Jul 8, 2005
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yumcheetos's Avatar
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From: Pickens,SC
Wouldnt stock be easier to find.........maybe not......... ....lol
 
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Old Jul 8, 2005
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SoundPer4mance's Avatar
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From: Fuquay Varina, NC
always stay with 192, fuel injected engines run best at about 210 degrees, so always stick with the stock temp
 
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Old Jul 8, 2005
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Pinecone's Avatar
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From: Fayetteville, NC
I switched mine out with a really low 90 degree thermostat. Best to stick with stock or close on the lil v6's.
 
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Old Jul 12, 2005
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I think i may change mine since the temp gage has been rising the past few days. So stick with the 192/195 one not the 180 one? For $5.50 for the t-stat and gasket it's worth trying this to see if it helps.
 
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Old Jul 12, 2005
  #6  
optikal illushun's Avatar
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From: Coal Region, MTC to be exact...heart of the coal region.
ok long story short, dont try it.

engine wont reach operating temps and it causes bad things. if u are down south where its hot all year than maybe. just like up north some switch to a 205 for more heat and quicker? warm ups.
 
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Old Jul 12, 2005
  #7  
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On some vehicles if the PCM does not see the engine coolant temperature come up to a specific value quick enough then it can set the check engine light. Just something else to think about and all the more reason to go with a factory temperature thermostat.
 
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Old Jul 12, 2005
  #8  
SoundPer4mance's Avatar
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From: Fuquay Varina, NC
always use stock on fuel injected vehicles, unless its highly modified and tuned for a lower temp tstat
 
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Old Jul 12, 2005
  #9  
YellowEdge's Avatar
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its pretty hot around here all summer long, could i switch to a lower temp during the summer and switch back at winter?
 
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Old Jul 13, 2005
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Just re-read my post, i didnt mean it was worth trying the 180 one, i just meant it was worth changing the t-stat to see if that is what it my issue
 
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Old Jul 14, 2005
  #11  
ToyoTech's Avatar
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From: Newton, NC
Go with stock temp. the engine performs best at normal operating temperature. if you go lower than normal the injector pulse width will stay long, thus throwing more fuel into the engine to increace combustion temperatures. its bad for o2 sensors and converters and causes excess carbon buildup in the top end, not to mention your performance will suck and fuel mileage will go down.
 
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Old Apr 23, 2024
  #12  
Captaingreatvalue's Avatar
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From: Laredo,Tx
Thermostat

Originally Posted by Mr Mufakka
Mine is needing to be replaced. Should I go with the stock 192° piece or should I step down to the 180° one? This is on a SOHC.
I may change mine to a 160 because I live in San Antonio and I got my airconditio finally working and before it would not reach middle of the gauge not it marks the 3/4 point and I feel the loss of power so let me know what yall think
 
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Old Apr 23, 2024
  #13  
2011Supercab's Avatar
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From: Everett, WA
Originally Posted by Captaingreatvalue
I may change mine to a 160 because I live in San Antonio and I got my airconditio finally working and before it would not reach middle of the gauge not it marks the 3/4 point and I feel the loss of power so let me know what yall think
That your fan clutch is not working or your radiator is clogged.
 
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Old Apr 23, 2024
  #14  
Captaingreatvalue's Avatar
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From: Laredo,Tx
Could be my radiator is clogged but it just gets real hot down here I’m running the stock 190 but considering the 160 sold by edelbrock on Amazon it runs so much better when colder
 
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Old Apr 24, 2024
  #15  
RoseBud68's Avatar
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From: PSL FL
A thermostat open and close, that is all it does. If you place a low temp stat, it will stay open once it reaches temp and if your Rad is not doing it job of cooling that stat will remain open and never give the rad the change to cool.
To low a stat can be worse. Make sure your rad is in good working order and install a 180* stat instead.
 
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