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GEN 2 (2017-2020) Ford F-150 Raptor Forums
Ford Raptor Engine Discussion and Performance Mods
anyone running a 170 thermostat?
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<blockquote data-quote="dhmcfadin" data-source="post: 1349625" data-attributes="member: 27229"><p>Lots of misinformation in this thread.</p><p></p><p>A cooler thermostat is not used to make the operator feel better by looking at a smaller number on a gauge. A cooler thermostat is used for the following reasons. Each is individual but they all work together.</p><p></p><p>1. Cooler EGT’s due to cooler block temperatures. HUGE for a forced induction motor. Why do you think the diesel guys watch their EGT’s religiously? The compression of air generates a tremendous amount of heat. You can easily cook a set of pistons or valves by not keeping EGT’s down.</p><p></p><p>2. Cooler block temperature allows the truck to run more timing thus making more power more efficiently.</p><p></p><p>3. When racing or baja or even driving hard, temperatures can easily see 350+ degrees in certain parts of the block. This is extremely common. With the stock 195 thermostat, it opens at about 190 and sets the truck to run, during normal driving, at about 210. Go do some mock 1/4 miles runs or 0-60 or WOT driving. You will see that 210 ping 250 easy depending on how hard you push the truck. In other parts of the engine, that number is significantly higher. With the 170 degree stat, it opens right at 170. Right off the bat, you have a 20 degree buffer to help curb those extremely high block temperatures and EGT’s. Heat is the ultimate enemy for any internal combustion engine.</p><p></p><p>It should be obvious that with a cooler thermostat on a fuel injected turbo engine that a tune should always be used. For those that say a cooler stat does nothing, they are just not fully informed. Ultimately, a cooler stat on a forced induction motor is pretty much a must if you want your engine to have some type of consistent power across different environments and temperatures.</p><p></p><p>Another way to significantly lower EGT’s even further is to run larger turbo adapters but this post is about thermostats.</p></blockquote><p></p>
[QUOTE="dhmcfadin, post: 1349625, member: 27229"] Lots of misinformation in this thread. A cooler thermostat is not used to make the operator feel better by looking at a smaller number on a gauge. A cooler thermostat is used for the following reasons. Each is individual but they all work together. 1. Cooler EGT’s due to cooler block temperatures. HUGE for a forced induction motor. Why do you think the diesel guys watch their EGT’s religiously? The compression of air generates a tremendous amount of heat. You can easily cook a set of pistons or valves by not keeping EGT’s down. 2. Cooler block temperature allows the truck to run more timing thus making more power more efficiently. 3. When racing or baja or even driving hard, temperatures can easily see 350+ degrees in certain parts of the block. This is extremely common. With the stock 195 thermostat, it opens at about 190 and sets the truck to run, during normal driving, at about 210. Go do some mock 1/4 miles runs or 0-60 or WOT driving. You will see that 210 ping 250 easy depending on how hard you push the truck. In other parts of the engine, that number is significantly higher. With the 170 degree stat, it opens right at 170. Right off the bat, you have a 20 degree buffer to help curb those extremely high block temperatures and EGT’s. Heat is the ultimate enemy for any internal combustion engine. It should be obvious that with a cooler thermostat on a fuel injected turbo engine that a tune should always be used. For those that say a cooler stat does nothing, they are just not fully informed. Ultimately, a cooler stat on a forced induction motor is pretty much a must if you want your engine to have some type of consistent power across different environments and temperatures. Another way to significantly lower EGT’s even further is to run larger turbo adapters but this post is about thermostats. [/QUOTE]
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GEN 2 (2017-2020) Ford F-150 Raptor Forums
Ford Raptor Engine Discussion and Performance Mods
anyone running a 170 thermostat?
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