Disclaimer: Links on this page pointing to Amazon, eBay and other sites may include affiliate code. If you click them and make a purchase, we may earn a small commission.
Yes, it will run rich. The associated maintenance issues can result, including problems with the cats, cylinder wear, etc. The system was designed to run with the 195F (88C) thermostat, and you're correct that that's the OEM spec.
I'd be worried about this without really knowing the full engineering tradeoffs not only in the EEC but in the lubrication and metallurgy. I can see an argument for the EEC being able to compensate to minimize richening, but there are more things to consider that I've never really seen addressed.Mikeys_Taurus:
Unless you're running cool enough to through the computer into limp mode, the cooler you can get it, the better.
I run my car without a Thermostat during the summer months. My A/F gauge reads the same as it does with the thermostat in and when the motor is sitting at 150 degrees on a hot summer night, it's got a lot more pep then if it were running at 210.
Despite what most will tell you, the T-Stat will allow the car to fully warm up. In stop and go driving, my car will hit regular temperatures... enough to make the fan cycle. This is not, however, a winter mod.
I'm sure it will serve you fine. But everybody should keep in mind that the Motorcraft thermostat isn't just extra dollars spent for nothing. On full open the Motorcraft thermostat flows more coolant than any other thermostat currently available for the SHO. To me that's more important than the whole 180 vs 190 degree argument. But that's just me.
I'm curious what makes you think you have a 180 deg. t-stat when you first say that you don't know the prior service history?
I judged from the temp gauge that I probably had a 180 in there. It almost never goes past the A even in traffic. Probably not the most accurate of perceptions, but good enough for me.SHOooo:
I'm curious what makes you think you have a 180 deg. t-stat when you first say that you don't know the prior service history?
If your gas mileage is OK, your temp gauge reaches the normal range when the car is warm and you don't have any other reasons to suspect a t-stat problem, it doesn't really matter which one is currently installed!
When the time does come to replace your t-stat, I'd recommend following Rick's advice and spring the extra few bucks for the Motorcraft.
incorrect.... if it doesn't go BELOW 180 after it has reached normal operating temperature then you have most likely have a 180 degree thermostat... similarly if it doesn't go below 192 then you probably have a 192 degree thermostatwood_e:
I judged from the temp gauge that I probably had a 180 in there. It almost never goes past the A even in traffic. Probably not the most accurate of perceptions, but good enough for me.SHOooo:
I'm curious what makes you think you have a 180 deg. t-stat when you first say that you don't know the prior service history?
If your gas mileage is OK, your temp gauge reaches the normal range when the car is warm and you don't have any other reasons to suspect a t-stat problem, it doesn't really matter which one is currently installed!
When the time does come to replace your t-stat, I'd recommend following Rick's advice and spring the extra few bucks for the Motorcraft.
Plebian? laughing laughing laughing
Actually, my '94 ATX with the 192 deg. t-stat hovers right around the 'A', and I think if you read through enough threads on the forum you will find that to be the norm. The only time it will go higher is if I have the climate control set on a setting that doesn't engage the cooling fans constantly (vent, floor, or off).
