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Fox-Body Cobras
Heater core restrictor?
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<blockquote data-quote="99SVT3753" data-source="post: 4594980" data-attributes="member: 15577"><p>true .. the resistrictor helps keep the heater core from blowing on these engines since they run hotter than the SOHC. I'm not sure if the pre-99s have them or not, I'd have to pull up the Repair Manual and take a look.</p><p></p><p>first I've EVER heard that it was to keep the water gurgling sound from happening. Kinda funny tho if ya think about it cuz it would work I guess. You have air in your system if you get that much of gurgling at the core.</p><p></p><p>To re-explain this from our original postings on here somewhere:</p><p>the inlet tube to heater core is physically larger than the outlet tube. as the hot coolant goes into the core, it gets bottlenecked at the outlet. after time of the extreme heat, the welds tend to melt or the metal fatigues and can burst (cheaper aluminum tubing). </p><p></p><p>plain n simple <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /></p><p></p><p>biggest thing you can do is add the coolant mod kit from LDC. that keeps the heat off the back of the driver's head, lowering overall heat into the core. Some even pick up a few extra horses.</p><p></p><p>Tim</p></blockquote><p></p>
[QUOTE="99SVT3753, post: 4594980, member: 15577"] true .. the resistrictor helps keep the heater core from blowing on these engines since they run hotter than the SOHC. I'm not sure if the pre-99s have them or not, I'd have to pull up the Repair Manual and take a look. first I've EVER heard that it was to keep the water gurgling sound from happening. Kinda funny tho if ya think about it cuz it would work I guess. You have air in your system if you get that much of gurgling at the core. To re-explain this from our original postings on here somewhere: the inlet tube to heater core is physically larger than the outlet tube. as the hot coolant goes into the core, it gets bottlenecked at the outlet. after time of the extreme heat, the welds tend to melt or the metal fatigues and can burst (cheaper aluminum tubing). plain n simple :) biggest thing you can do is add the coolant mod kit from LDC. that keeps the heat off the back of the driver's head, lowering overall heat into the core. Some even pick up a few extra horses. Tim [/QUOTE]
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Heater core restrictor?
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