160* T-stat Installed..

T

Tomc612

New member
I Decided to give the 160* thermostat a try, lost a 1/4 of cup coolant, topped off coolant,loaded the stg2 for the 160*t-stat and let the car warm up for 10 min..Outside temp was about 37/38* turned heat on 72* and was a little cool at first,when the coolant temp got to 158* then the heat was getting a bit warmer but slowly,it got to 178* and the heat was HOT.Then the fans kicked on at 182*, Went for a 8.8 mile trip to get a coffee and seeing cruising temps @182/84 the highest and at times it went down to 177*/79. Now when I was sitting at the drive thru for about 3 min,the temp was @179* and the heat coming out the vents was HOT. Car is running good so far. I'm Going to give it more time and see how it works out.
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STOCK 180* ON LEFT
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THE 160*
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Nice... I think this will be one of a few things Im am doing soon. I have a lot of catching up to do with you guys. I just wish I could just have all the money back I put into my fusion for modding the SHO.
 
Thanks for doing all the testing Tom!  My 160 goes in tomorrow night.  Hopefully, I will be confirming your positive results.
 
Nice report Tomi... VERY promising!  No signs of open loop? (ie, after it warmed up your idle slowed as expected)
 
BiGMaC said:
Nice report Tomi... VERY promising!  No signs of open loop? (ie, after it warmed up your idle slowed as expected)
Click to expand...

I went out this morning and started the car up and I noticed open loop momentarily until exhaust gases and O2 sensors kicked in.Warm up time is slower,,the heat was a little cooler,I had to put it up to 80* this morning..outside temp was 32*.
 
This is about what we have seen from our own testing as well. These cars are not the cars of the mid 90's, their open loop fueling settings are well below 160*, so this thermostat would never cause it to go into warm up mode from cooling it off too far. Definitely keep everyone updated, and thanks for the detailed report so far!
 
It's always reassuring when business and user experiences are so similar.  Thanks to LMS and tomc.  Looking forward to Dave's report and others.

Living in Phoenix where I'll be in stop and go traffic with ambient air temps around 120 degrees frequently makes this more than a little important.
 
BiGMaC said:
It's always reassuring when business and user experiences are so similar.  Thanks to LMS and tomc.  Looking forward to Dave's report and others.

Living in Phoenix where I'll be in stop and go traffic with ambient air temps around 120 degrees frequently makes this more than a little important.
Click to expand...

You're welcome! I believe this is a great little mod for the the warmer climate's and here in NE during the warmer month's, so I'm keeping it in, cars running great. I will return to the 180* in October.
 
I am in a bit of a quandry on what else I need to test.  I am putting in the 160 tonight but I don't have the tune for it yet.  I'll just run a couple of coolant temp tests and see how the heater works.  The other problem is that our temps are going to be dropping by at least 20 degrees from the time I start later until I finish.  And more snow.  This is my Saturday so I want to get it done.  I will get some pics and report whatever I can. 
 
Got my 160 in and tuned.  So far, so good!  Temps are down.  I love it! 
 
Anybody notice anything with regards to MPG's yet?

That is a good indicator that everything is right with emissions and ECU.

Oh if someone would temp the air coming out of the vents, that'd be awesome.
 
One thing that everyone should also remember is that these cars never run what the thermostat temp is. Even stock with a 180, it's not like they run 182-184, they are always well above that due to how much the cooling system has to cool. Likewise, the 160 will likely never run at 162 (as shown above).

The Open loop vs. closed loop debate is based on outdated information as no car made today waits anywhere near 160* to transition to closed loop, the EPA put a stop to that long ago so now manufacturers must reach that threshold at a much lower temp than in the 80's or 90's.
 
Livernois Motorsports said:
One thing that everyone should also remember is that these cars never run what the thermostat temp is. Even stock with a 180, it's not like they run 182-184, they are always well above that due to how much the cooling system has to cool. Likewise, the 160 will likely never run at 162 (as shown above).

The Open loop vs. closed loop debate is based on outdated information as no car made today waits anywhere near 160* to transition to closed loop, the EPA put a stop to that long ago so now manufacturers must reach that threshold at a much lower temp than in the 80's or 90's.
Click to expand...
My stocker runs 185-193 and the car is in closed loop before I shift out of park.

Heat wise the only issue I can think taking a little longer to get the cabin warm bit I've got heated seats all around and a toasty steering wheel (One of my favorite options!) so I suspect it's a non-issue.
 
With 132 miles on the 160* T-stat, I don't see any difference in MPG's. Last night with stage 4+ on my 60 mile trip going 70 and  at times safely 80mph with no traffic, I saw 22.8mpg highway and 19.3 city. Waa!
 
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