Quote:
Originally Posted by JFP in PA
These engines run way too hot with the factory thermostat, primarily for emissions purposes. Lower the coolant temperatures also dramatically lowers the oil temperatures, the oil lives longer and does a better job as the result, without impacting the car's emissions one iota.
Keeping the engine cooler also help the engines thermal efficiency, reducing spark knock, and helping it run harder. Every GT car, cup car, and all the factory turbo cars came with a 160 F thermostat.
And no, you won't see much of a change on the dash display, but that is due to the gauge's rather poor accuracy. Realistically, your engine will have dropped from around 210-220 F to around 170-175 F, will actually warm up quicker, and will still have tons of heat in the winter.
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Hi JFP. OK. You;re one of those go-to guys... and I would appreciate some clarification.
The LTT doesn't cause the engine to run cooler... it just serves to allow coolant to flow sooner than a stock thermostat. The engine is going to get as hot as it would even if there were a stock thermostat installed. So... low temp or stock thermostat the engine is going to hit the same operating temp. No two ways around that fact. Please tell me I'm wrong... and tell me why. I really want to know.
Now... installing the S cooler in a non-S car... more oil cooling ability.. that I'll buy.
In advance, thank you for your consideration.