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2013-14 Shelby GT500
Confused About Intercooler Upgrades
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<blockquote data-quote="SteveWK" data-source="post: 16411016" data-attributes="member: 139323"><p>Did some logging today. Just to recap I have Van's Super Competition C&R heat exchanger with dual Spal 13" fans. The blower pulleys are stock and I have a Lund tune with CIA and off road pipe. Also, worth mentioning is I never got around to installing my oil separator 23k miles ago. Attached are my results. I made three consecutive pulls, meaning WOT and then hard on the brakes rinse and repeat 3 times. I drove the car for at least 30 mins prior to my pulls and let it sit and idle until my IAT1 (air charge temp) as displayed in the car reached 100 degrees. You can see all of this in my plots. Outside air temp was approximately 77 degrees. I tried to replicate a worse case scenario.</p><p></p><p>1) First pull did amazingly well. My IAT1 temp was roughly 97 F and my IAT2 hovered around 111 F and then climbed to 113 or so. I was really surprised with this considering how hot my intake air temp was. I guess my oiled down intercooleer is performing ok.</p><p></p><p>2) Second pull IAT1 temps dropped significantly, 84 - 79 degrees. But unexpectedly my IAT2 temps went up significantly ranging from 120 -123 degrees. Hmmmm.</p><p></p><p>3) Third pull IAT1 temps still in the low 80s but IAT2 temps increased to 126-128 range.</p><p></p><p>At this point I can only speculate why the IAT2 temps increased despite the intake air charge temp dropping significantly during the consecutive pulls. Heat from the engine could be getting transferred to the intercooler and affecting its performance or the heat exchanger on the front of the car can't keep up. I suspect the later, but to prove that I need to monitor the water temperature entering and leaving the intercooler. I am looking into how to do that. </p><p></p><p></p><p></p><p><img src="https://imgur.com/MXmpZJh" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p></blockquote><p></p>
[QUOTE="SteveWK, post: 16411016, member: 139323"] Did some logging today. Just to recap I have Van's Super Competition C&R heat exchanger with dual Spal 13" fans. The blower pulleys are stock and I have a Lund tune with CIA and off road pipe. Also, worth mentioning is I never got around to installing my oil separator 23k miles ago. Attached are my results. I made three consecutive pulls, meaning WOT and then hard on the brakes rinse and repeat 3 times. I drove the car for at least 30 mins prior to my pulls and let it sit and idle until my IAT1 (air charge temp) as displayed in the car reached 100 degrees. You can see all of this in my plots. Outside air temp was approximately 77 degrees. I tried to replicate a worse case scenario. 1) First pull did amazingly well. My IAT1 temp was roughly 97 F and my IAT2 hovered around 111 F and then climbed to 113 or so. I was really surprised with this considering how hot my intake air temp was. I guess my oiled down intercooleer is performing ok. 2) Second pull IAT1 temps dropped significantly, 84 - 79 degrees. But unexpectedly my IAT2 temps went up significantly ranging from 120 -123 degrees. Hmmmm. 3) Third pull IAT1 temps still in the low 80s but IAT2 temps increased to 126-128 range. At this point I can only speculate why the IAT2 temps increased despite the intake air charge temp dropping significantly during the consecutive pulls. Heat from the engine could be getting transferred to the intercooler and affecting its performance or the heat exchanger on the front of the car can't keep up. I suspect the later, but to prove that I need to monitor the water temperature entering and leaving the intercooler. I am looking into how to do that. [IMG]https://imgur.com/MXmpZJh[/IMG] [/QUOTE]
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2013-14 Shelby GT500
Confused About Intercooler Upgrades
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