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GEN 2 (2017-2020) Ford F-150 Raptor Forums
Ford Raptor Engine Discussion and Performance Mods
Thermostat / Transmission Question
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<blockquote data-quote="New recaros" data-source="post: 1819086" data-attributes="member: 33856"><p>Those two mods do nothing to help under load. You are way past where they are effective. If the thermostat reduces back pressure which could increase flow, it might help. Fresh coolant and or anti foam will provide much better temp reduction. Anti foam works great, air bubbles do not transfer heat well. Also, the heat transfer coefficient of antifreeze is much less than water. So adjusting the mixture can help cool things a bit. Increasing the ratio of the of water to antifreeze such as a 30/70 mix will lower the freezing point of the mix down to minus 72 degrees Fahrenheit, but it will also lessen its ability to cool the engine. A higher water to antifreeze ratio increases the ability of the mix to cool the engine, but the mix will not do very well in cold weather. I use 60/40 and have never had an issue. Good to -7deg/f with a burst point of -50 deg/f</p></blockquote><p></p>
[QUOTE="New recaros, post: 1819086, member: 33856"] Those two mods do nothing to help under load. You are way past where they are effective. If the thermostat reduces back pressure which could increase flow, it might help. Fresh coolant and or anti foam will provide much better temp reduction. Anti foam works great, air bubbles do not transfer heat well. Also, the heat transfer coefficient of antifreeze is much less than water. So adjusting the mixture can help cool things a bit. Increasing the ratio of the of water to antifreeze such as a 30/70 mix will lower the freezing point of the mix down to minus 72 degrees Fahrenheit, but it will also lessen its ability to cool the engine. A higher water to antifreeze ratio increases the ability of the mix to cool the engine, but the mix will not do very well in cold weather. I use 60/40 and have never had an issue. Good to -7deg/f with a burst point of -50 deg/f [/QUOTE]
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GEN 2 (2017-2020) Ford F-150 Raptor Forums
Ford Raptor Engine Discussion and Performance Mods
Thermostat / Transmission Question
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