Radiator cooling ports
The biggest issue I face with my Tubro 1.8 build is heat, car is making good power but it also creates a lot of heat. I have SuperMiata coolant reroute and crossflow rad, running distill water with Mocool. it helped but water temp is still on the high side. After using meth injection it further cooled the intake charge and lowered the heat produced. At the end I even removed the AC so the car do not overheat anymore on track. Due to the pandemic I have more time and decided to build some custom rad shrouds and bumper air vent to better improve the air flow to the rad. it’s simple mods and it definitely improve cooling so I can step on it w/o worry.
https://cimg3.ibsrv.net/gimg/www.mia...1ff329c03.jpeg air inlets for radiator cooling, fit on NB not sure a about NA. https://cimg5.ibsrv.net/gimg/www.mia...67ccd845a.jpeg 16G aluminum shroud, tried to simplify the design and save weight. https://cimg7.ibsrv.net/gimg/www.mia...62763c5fc.jpeg Mounted using factory holes https://cimg3.ibsrv.net/gimg/www.mia...5ae494e6b.jpeg Needa trim the rad support a little to allow more air flow https://cimg9.ibsrv.net/gimg/www.mia...784363946.jpeg https://cimg3.ibsrv.net/gimg/www.mia...6c1ec0fd3.jpeg https://cimg5.ibsrv.net/gimg/www.mia...6794fc056.jpeg https://cimg0.ibsrv.net/gimg/www.mia...2ddd963e9.jpeg https://cimg1.ibsrv.net/gimg/www.mia...0cb8af3a8.jpeg |
What is the ducting on the side of the IC going back to the radiator like?
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Originally Posted by shuiend
(Post 1579320)
What is the ducting on the side of the IC going back to the radiator like?
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Super clean, nice work.
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Love how this car looks. Nice job
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Side ducting plates are definitely easier and look better without the A/C in place.
What is the NACA duct on the undertray feeding to? Transmission cooling? I'm looking at undertray NACA ducts to feed my brake cooling since the OEM foglights are used for oil cooling on the cold side and a duct to the CAI box on the hotside. |
NACA duct is also 3D printed to cool down the turbo compressor (testing) I already have dedicated brake cooling and oil cooler cooling ductings.
*thank you for your appreciations, guys. |
Amazing work. Im going to have to make some block off plates like your in pictures 3,4 and 5. What is your splitter material made of?
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Originally Posted by Z33Taxi
(Post 1579337)
Amazing work. Im going to have to make some block off plates like your in pictures 3,4 and 5. What is your splitter material made of?
https://cimg6.ibsrv.net/gimg/www.mia...23b2bb837.jpeg |
Nice work, I like those side plates.
I thought Emilio's work on Crusher(?) showed that the rad inlet was too big, and he made it smaller. You may have bigger heat rejection requirements though. I would be double checking that you have ALL the air passages blocked, including forward into the bumper garnish, out through the sides, and up over the top of the radiator. Basically, ensure that ALL the air entering the radiator mouth exits via the radiator. Your ducting may do that, but if so there is much not shown in those photos. |
Originally Posted by Gee Emm
(Post 1579340)
Nice work, I like those side plates.
I thought Emilio's work on Crusher(?) showed that the rad inlet was too big, and he made it smaller. You may have bigger heat rejection requirements though. I would be double checking that you have ALL the air passages blocked, including forward into the bumper garnish, out through the sides, and up over the top of the radiator. Basically, ensure that ALL the air entering the radiator mouth exits via the radiator. Your ducting may do that, but if so there is much not shown in those photos. https://cimg9.ibsrv.net/gimg/www.mia...7f6c2bcce.jpeg |
Very nice work! I need to do a little more ductwork on my own car as well.
Are those R-theory hood vents without the center vent? Looks great, exactly what I want to do! |
Any reason you aren't going with a center bash bar instead of the stock large/plastic support bar?
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Originally Posted by OptionXIII
(Post 1579375)
Very nice work! I need to do a little more ductwork on my own car as well.
Are those R-theory hood vents without the center vent? Looks great, exactly what I want to do! |
Originally Posted by Z33Taxi
(Post 1579405)
Any reason you aren't going with a center bash bar instead of the stock large/plastic support bar?
Wonder what’s the weight saving from it. |
Huge gains in cooling efficiency from removing bumper beam and core support as Z33Taxi suggested. At least one company now making bash bars but it looks like you have the knowledge and resources to make your own. Top of you rad core isn't getting much airflow.
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OverRev, I love seeing threads like this, with thoughtful design and well-executed fab.
It's funny in a way, because it makes me think back to 15 years ago, when this forum was young, I was considerably less old, and the standards were a hell of a lot lower in general. Back then, I (and others; you know who you are) were doing what, at the time, passed for innovative stuff which impressed people. These days, seeing stuff like this makes me feel like a rank amateur. Largely because I stopped learning new stuff somewhere along the way. Also, holy hell, I just noticed that you joined this forum about the same time as Emilio & I. Where the hell have you been this whole time? |
Originally Posted by Joe Perez
(Post 1579415)
OverRev, I love seeing threads like this, with thoughtful design and well-executed fab.
It's funny in a way, because it makes me think back to 15 years ago, when this forum was young, I was considerably less old, and the standards were a hell of a lot lower in general. Back then, I (and others; you know who you are) were doing what, at the time, passed for innovative stuff which impressed people. These days, seeing stuff like this makes me feel like a rank amateur. Largely because I stopped learning new stuff somewhere along the way. Also, holy hell, I just noticed that you joined this forum about the same time as Emilio & I. Where the hell have you been this whole time? ya, I built my first turbo NA like 16-17 yrs ago. Back then using E-manage and Garrett turbo. Not a lot of supports on forums at all. I sold it when I had to relocate for work, and 2.5yrs ago I decided to build another one for the 30th anniversary reunion. I went and tracked at Laguna Seca in the last 2 yrs. too bad I didn’t have time to finish the build by then, it did fairly well and it’s still an on going project. Nowadays with a lot more parts and tech available, the build is in a totally new level. Although it’s not as fast or pwrful as my other cars, it’s definitely more fun and direct. I still highly recommend others to pick up a miata for track as a inexpensive starter. here is my old NA https://cimg5.ibsrv.net/gimg/www.mia...6ebd02841.jpeg |
Originally Posted by emilio700
(Post 1579413)
Huge gains in cooling efficiency from removing bumper beam and core support as Z33Taxi suggested. At least one company now making bash bars but it looks like you have the knowledge and resources to make your own. Top of you rad core isn't getting much airflow.
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Tight build, really nice.
How do you rate the mishimoto oil cooler? |
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