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GEN 1 (2010-2014) Ford SVT Raptor Forums
Ford SVT Raptor General Discussions [GEN 1]
Indmar Marine announces new engine
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<blockquote data-quote="Stepside" data-source="post: 752714" data-attributes="member: 2463"><p><span style="color: LemonChiffon">When you say they run propylene glycol though the block . .</span></p><p><span style="color: LemonChiffon">you do mean a solution of water & propylene glycol . . right?</span></p><p><span style="color: LemonChiffon">Because, propylene glycol has a lower specific heat transfer than</span></p><p><span style="color: LemonChiffon">water and it's even lower than ethylene glycol.</span></p><p><span style="color: LemonChiffon">That would raise engine operating temperature 20* to 30* unless</span></p><p><span style="color: LemonChiffon">there is a hellava big radiator to push more capacity to make up for the loss </span></p><p><span style="color: LemonChiffon">of no or less water. </span></p><p><span style="color: LemonChiffon">Given propylene glycol has a higher vapor point and can carry away heat at</span></p><p><span style="color: LemonChiffon">a higher temperature, water can carry more heat per unit. </span></p><p><span style="color: LemonChiffon">Not to mention that one can always raise the pressure on the system of water</span></p><p><span style="color: LemonChiffon">to raise the boiling point. (1 Lb. increase = almost 3 degree raise in boiling point)</span></p><p><span style="color: LemonChiffon">But, you probably know this already, but not everyone does.</span></p></blockquote><p></p>
[QUOTE="Stepside, post: 752714, member: 2463"] [COLOR="LemonChiffon"]When you say they run propylene glycol though the block . . you do mean a solution of water & propylene glycol . . right? Because, propylene glycol has a lower specific heat transfer than water and it's even lower than ethylene glycol. That would raise engine operating temperature 20* to 30* unless there is a hellava big radiator to push more capacity to make up for the loss of no or less water. Given propylene glycol has a higher vapor point and can carry away heat at a higher temperature, water can carry more heat per unit. Not to mention that one can always raise the pressure on the system of water to raise the boiling point. (1 Lb. increase = almost 3 degree raise in boiling point) But, you probably know this already, but not everyone does.[/COLOR] [/QUOTE]
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GEN 1 (2010-2014) Ford SVT Raptor Forums
Ford SVT Raptor General Discussions [GEN 1]
Indmar Marine announces new engine
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