Cooler Thermostat

[CCO]

Anyone know the ups and downs of a cooler thermostat on our C6's?

On the surface it seems logical to cool things down somewhat for obvious (performance) reasons but what is the downside to a cool running engine?

Emissions must come into play here but what about plug fouling and SES lights that may be encountered?

I believe the stock t/stat on my C6 is around 200F and it's been discussed that a 160F can be installed.

I'm thinking that a compromise 175F would be the answer to not upset the computers, still reasonably satisfy the pollution requirements, and still get the benefits of good performance of a cooler running engine.

Thoughts.

C.

 

[Manny@Dasilva]

Anyone know the ups and downs of a cooler thermostat on our C6's?

On the surface it seems logical to cool things down somewhat for obvious (performance) reasons but what is the downside to a cool running engine?

Emissions must come into play here but what about plug fouling and SES lights that may be encountered?

I believe the stock t/stat on my C6 is around 200F and it's been discussed that a 160F can be installed.

I'm thinking that a compromise 175F would be the answer to not upset the computers, still reasonably satisfy the pollution requirements, and still get the benefits of good performance of a cooler running engine.

Thoughts.

C.

I use a 160 on all our header installs , this will include yours Colin

 

[CCO]

So you think a 170 or 175 is out of the question?
C.

 

[Manny@Dasilva]

So you think a 170 or 175 is out of the question?
C.

160 is the ticket with headers and tune

 

[88blackz51]

You need the 180 for emissions, and don't forget horsepower is related to heat. For that reason most guys go with the 175. Personally I've always gone with 160 because I don't race my car and like the way it drives a little cooler.

 

[Manny@Dasilva]

You need the 180 for emissions, and don't forget horsepower is related to heat. For that reason most guys go with the 175. Personally I've always gone with 160 because I don't race my car and like the way it drives a little cooler.

True , but our 160 stat cars are passing emissions easily . Its really in the tune .

 

[CCO]

Sounds like you've got the emissions and combustion questions sorted out with that tune, Manny -- Good to hear.

I should have known.

 

[88blackz51]

160 stat cars are passing emissions easily .

If you let the car run a while before the test that helps. Don't just let the technician start it and test it, let it idle for a while.

 

[CCO]

If you let the car run a while before the test that helps. Don't just let the technician start it and test it, let it idle for a while.

I think that's standard procedure but a gentle 'reminder' would help for sure.

(just in case I keep this one long enough to get e-tested)

C.

 

[CCO]

I use a 160 on all our header installs , this will include yours Colin

One more quick question: Do you reprogram the fan cut in temp and cut in speed?

TNX,
C.

 

[Manny@Dasilva]

One more quick question: Do you reprogram the fan cut in temp and cut in speed?

TNX,
C.

Yes, fan cut in is reprogramed to coincide with the 160 stat .

 

[CCO]

Yes, fan cut in is reprogrammed to coincide with the 160 stat .

Well I can see that you've got all the bases covered Manny -- That's good to hear........





oh, just one more thing...................:seeya:




Have a good family day.

C.