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SN95 Cobras
Can I run an inline thermostat in upper hose????????
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<blockquote data-quote="CJK440" data-source="post: 10814974" data-attributes="member: 43980"><p>In addition, I think there is lots of confusion surrounding the unconventional T-stat location our cars have. Lots of us in our gearhead lives are very used to a manifold located stat at the engine coolant outlet and have a rough idea of what temp stat would be best for performance. But not everybody realizes that the location of the system greatly affects what temp stat you should choose.</p><p></p><p>The conventional manifold/top hose mounted stat reacts water at its hottest point, just as it leaves the motor on the way to be cooled down. The OE system in our cars reacts to water temp at its coolest point, out the radiator, on its way to be heated up again. Vastly different.</p><p></p><p>So, many people think since it was common to put a 180 or so stat in the old pushrod motors that a 180 is appropriate for the lower hose of a DOHC motor when it truth to end up with the same engine temp as you would with a 180 degree in the upper you need to go much lower. Some people say a 160 is too low, but is it?</p><p></p><p>My car runs at 210 or so based on the autometer elec gauge with a sender is in the crossover. I have a 180 degree Termi stat in the OE location. Initially I thought due to the big temp difference, my cooling system was not up to par. While this would have been true diagnosis with an upper mounted stat, after I thought about it, the 30 degree difference is reasonable considering water regulated to 180 degrees then passes thru a hot motor before I read its temp.</p><p></p><p>I guarantee that the water going into the motor is rock steady at 180 even though my gauge reads 210. One day I am going to borrow an IR temp gauge and verify this.</p></blockquote><p></p>
[QUOTE="CJK440, post: 10814974, member: 43980"] In addition, I think there is lots of confusion surrounding the unconventional T-stat location our cars have. Lots of us in our gearhead lives are very used to a manifold located stat at the engine coolant outlet and have a rough idea of what temp stat would be best for performance. But not everybody realizes that the location of the system greatly affects what temp stat you should choose. The conventional manifold/top hose mounted stat reacts water at its hottest point, just as it leaves the motor on the way to be cooled down. The OE system in our cars reacts to water temp at its coolest point, out the radiator, on its way to be heated up again. Vastly different. So, many people think since it was common to put a 180 or so stat in the old pushrod motors that a 180 is appropriate for the lower hose of a DOHC motor when it truth to end up with the same engine temp as you would with a 180 degree in the upper you need to go much lower. Some people say a 160 is too low, but is it? My car runs at 210 or so based on the autometer elec gauge with a sender is in the crossover. I have a 180 degree Termi stat in the OE location. Initially I thought due to the big temp difference, my cooling system was not up to par. While this would have been true diagnosis with an upper mounted stat, after I thought about it, the 30 degree difference is reasonable considering water regulated to 180 degrees then passes thru a hot motor before I read its temp. I guarantee that the water going into the motor is rock steady at 180 even though my gauge reads 210. One day I am going to borrow an IR temp gauge and verify this. [/QUOTE]
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Can I run an inline thermostat in upper hose????????
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