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The Terminator
Engine/Tuning
160 Thermostat?
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<blockquote data-quote="Emmerson_Biggins" data-source="post: 1930277" data-attributes="member: 13722"><p>Dude,</p><p></p><p>You are once again posting an argument that just does not hold water. If I have a known good IAT and a known good HEGO, then I absolutely DO NOT NEED CTS to to determine rich/lean or control it.</p><p></p><p>Once the 02 is hot enough to provide stabilized output, the vehicle goes into closed loop. That is OBDII, or as you like to call it ODBII. It has been that way since 1996, no matter what your goofy internet article has to say.</p><p></p><p>The engine oil at the bearing being 190 degrees has little or no effect on the hydrodynamic wedge of a modern multi-vis oil, so your point is moot there as well. I am glad you are on the internet doing some quick studying, for that you are to be commended, but unfortunately the internet, like your informal automotive education is flawed.</p><p></p><p>If the coolant moves faster through the block, it is not going to pick up adequate heat from the engine to be radiated away in the radiator, not the other way around as you so skillfully plagarized from the second article. That is why you don't remove the thermostats, you just run a colder one. That way the cooling restriction created by the thrmostat still exists, slowing coolant flow so it can draw heat away from engine components.</p><p></p><p>***EDIT*** The first article you refer to involves Toyota engine management circa 1983 to 1985. The second is just a bunch of jargon trying to get chicklet heads such as yourself to buy stuff. While there is some pertinent information in there, it is certainly skewed, and much more of it is outdated. If the coolant moves faster through the block, it is not going to pick up adequate heat from the engine to be radiated away in the radiator, not the other way around as you so skillfully plagarized from the second article. That is why you don't remove the thermostst, you just run a colder one. That way the cooling restriction still exists, slowing coolant flow so it can draw heat away from engine components.</p></blockquote><p></p>
[QUOTE="Emmerson_Biggins, post: 1930277, member: 13722"] Dude, You are once again posting an argument that just does not hold water. If I have a known good IAT and a known good HEGO, then I absolutely DO NOT NEED CTS to to determine rich/lean or control it. Once the 02 is hot enough to provide stabilized output, the vehicle goes into closed loop. That is OBDII, or as you like to call it ODBII. It has been that way since 1996, no matter what your goofy internet article has to say. The engine oil at the bearing being 190 degrees has little or no effect on the hydrodynamic wedge of a modern multi-vis oil, so your point is moot there as well. I am glad you are on the internet doing some quick studying, for that you are to be commended, but unfortunately the internet, like your informal automotive education is flawed. If the coolant moves faster through the block, it is not going to pick up adequate heat from the engine to be radiated away in the radiator, not the other way around as you so skillfully plagarized from the second article. That is why you don't remove the thermostats, you just run a colder one. That way the cooling restriction created by the thrmostat still exists, slowing coolant flow so it can draw heat away from engine components. ***EDIT*** The first article you refer to involves Toyota engine management circa 1983 to 1985. The second is just a bunch of jargon trying to get chicklet heads such as yourself to buy stuff. While there is some pertinent information in there, it is certainly skewed, and much more of it is outdated. If the coolant moves faster through the block, it is not going to pick up adequate heat from the engine to be radiated away in the radiator, not the other way around as you so skillfully plagarized from the second article. That is why you don't remove the thermostst, you just run a colder one. That way the cooling restriction still exists, slowing coolant flow so it can draw heat away from engine components. [/QUOTE]
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