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Forced Induction Turbo, Supercharger, Methanol, Nitrous |
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10-05-2015, 09:18 AM | #43 |
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@shiumai did you replace the seal with a spacer of any sort? I know you said that you can "feel" the air venting but what was your temp decrease if any?
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10-05-2015, 09:47 AM | #44 | |
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i don't have an accurate temp gauge with numbers, and it's hard to see differences with the temp gauge in the car. like you, i'm curious to see if anyone boosted did this and saw a temp difference as well, or just someone with a more accurate temp gauge.
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10-05-2015, 10:10 AM | #45 | |
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10-05-2015, 02:23 PM | #46 |
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I first went with cutting out the side of my fenders to act as functional heat extractors. I'm curious as to how these would affect flow at higher speeds, but at least at idle they helped tremendously with heat on the stock hood. It would literally feel like walking by a heater with the side of the fenders open.
I have the VIS hood now so the fender heat extractors are somewhat less effective. I still feel heat coming out of them however. My car isn't 100% since the turbo install so I can't comment on underhood temps. I did both mods proactively to help with the inevitable heat increase from the turbo. Final look: Here is a video showing the side vent area with the hood closed. The hood looks like it would block them, but there is in reality a lot of room for air to escape from. I do not have a similar video showing the inside now that they are complete, but I can definitely take one once I have my car back if requested. [ame="https://www.youtube.com/watch?v=elRijf_Jw2o"]BRZ / FRS Possible Fender Heat Extractor Location - YouTube[/ame] |
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10-05-2015, 03:16 PM | #47 | |
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Base of the windshield is a high pressure zone at speed, it's why they pull fresh air for the HVAC system there and why cowl induction hoods work. In essence you're making the cooling system work harder because you're pressurizing the area behind the radiator. |
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10-05-2015, 03:41 PM | #48 |
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so, i wonder whether that gap acts like a cowl induction hood then, instead of a vent. to find out what's actually going on in that area would require some experimentation. does air vent out of the gap, or is pushed into the gap? time to tape tufts of string to the trailing edge of the hood, LOL.
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10-05-2015, 05:23 PM | #50 | |
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10-14-2015, 09:52 PM | #51 |
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How is all the rain coming in from the grill opening at 70mph on the highway worse than rain falling into a vent when parked?
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10-15-2015, 01:53 AM | #52 |
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I haven't been keeping track since about a year ago. See this post:
http://www.ft86club.com/forums/showp...&postcount=410 What happened to the cowling mods for cooling? EDIT ---- found it http://www.ft86club.com/forums/showp...&postcount=114 thanks. |
10-15-2015, 11:38 AM | #53 |
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ill chime in with this. we had to shim the rear of the hood up 1/2" to fit the last turbo we had in the 2jz swap car. at the drag strip the wipers were flapping and going up the windshield about 1/4 of the way at the top of the track (140mph). the new turbo doesnt need the extra space so it will be neat to see if it happens again with the hood fit as oem. i would assume that would mean air is coming out of the bay and pushing them up. just something for thought. I have not had the rubber hood seal in my car for over a year. I never have heat issues but i street/drag race so i know its not nearly as much of an issue as a road course would produce..
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11-20-2015, 12:09 PM | #54 |
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There's a member on here who started making these. I'm looking at picking a set up from him to install over the winter. Very cost competitive and built for our cars. @Ashikabi
http://www.ft86club.com/forums/showthread.php?t=96712
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11-20-2015, 12:32 PM | #55 | |
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11-20-2015, 02:29 PM | #56 |
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We will have a "kit" coming out early next year as well that people can choose from. This unit in the pictures are of prototypes.
The wickers will be bent aluminum (not blue 3D printed plastic), we will offer quick to remove rain trays for those concerned with water, wickers are removable but greatly increase effectiveness, mounting may change to press in studs for a cleaner look (still experimenting with this), and they will be competitively priced. We are still sorting through the thermo-couple data and videos and will start a respective thread at that point. Thanks, Eric |
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