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Custom Dodge Ram Performance Mods - Engine - 3.7 Liter V6 Discuss modifying your Dodge Ram with Performance Parts and Accessories!
Factory Spec: 3.7-liter V6 engine - 210 horsepower, 235 lb-ft of torque.


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  #1  
Old 02-15-2011, 11:04 PM
haucknathan haucknathan is offline
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Default 3.7 thermostat

i was wondering if any one knows if i can get a low temperature thermostat for a 04 dodge ram 3.7 v6.
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Old 02-15-2011, 11:09 PM
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How low do you want to go? I've seen 180 degree stats available.
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Old 02-15-2011, 11:16 PM
haucknathan haucknathan is offline
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i wanted to go to 160 but i think 180 would be fine. iv also heard most performance parts that fit on the 4.7l will work on the 3.7l
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Old 02-16-2011, 12:01 AM
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160 is too cold and will likely set a thermostat rationality code in the PCM. I'm not sure what parts you're referring to since there's a 2 cylinder difference.
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Old 02-16-2011, 12:03 AM
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I'm just curious what temp you're running now with the T-stat you have?

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Old 02-16-2011, 12:06 AM
haucknathan haucknathan is offline
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Default

im using the stock one. i have a throttle body spacer, intake, flowmasters, and a jet chip. im looking for more ways to gain power and or better gas millage
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Old 10-06-2011, 12:25 PM
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Default Don't swap out the OEM thermostat

There are a number of good reasons for not swapping out to a lower temp thermostat:

Coolant temperature is used for a variety of engine and emission control functions. The coolant sensor on late model engines tells the computer when the engine has reached normal operating temperature. This, in turn, affects fuel enrichment, spark timing, operation of the EGR valve, purging of the charcoal canister, etc. Even on many non-computer engines, thermal vacuum switches (TVS) that react to a specific coolant temperature are used to open and close various vacuum circuits that regulate fuel enrichment, timing and emissions.
If a colder thermostat is installed, the coolant may never get hot enough to trigger the appropriate control functions in the computer or TVS vacuum circuits. As a result the engine will run as if it were continually cold, which increases both fuel consumption and emissions. Too low an operating temperature also increases cylinder wear.
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Old 02-03-2012, 02:15 PM
Mysterray Mysterray is offline
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I was looking for a 180 thermostat and i found one dirt cheap @.

http://www.summitracing.com/parts/SN...3.7L%2f226
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Old 02-03-2012, 11:00 PM
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Even if it isn't '3.7 specific' if you can't find one a stat for a 4.7 should be a bolt in.
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