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Engine, Exhaust, Transmission Discuss the FR-S | 86 | BRZ engine, exhaust and drivetrain.


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Old 08-01-2017, 02:44 AM   #1
Hawk77FT
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Radiator ducting

All,

I am interested in getting some ducting for the radiator. Is there anyone out there that makes something like that by any chance?
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Old 08-01-2017, 03:05 AM   #2
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All,

I am interested in getting some ducting for the radiator. Is there anyone out there that makes something like that by any chance?
Why? Car has more oil cooling problems than coolant problems. Get a oil cooler first.
Imo ducting will have minimal gains over a full setup.
Fan shroud kit, fans and, a radiator is what you should get.
http://counterspacegarage.com/products/cooling.html
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Old 08-01-2017, 03:08 AM   #3
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Why? Car has more oil cooling problems than coolant problems. Get a oil cooler first.
Imo ducting will have minimal gains over a full setup.
Fan shroud kit, fans and a radiator is what you should get.
http://counterspacegarage.com/products/cooling.html
got an oil cooler already! Need more air coming through the radiator.

thanks for the link
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Old 08-01-2017, 03:17 AM   #4
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got an oil cooler already! Need more air coming through the radiator.

thanks for the link
The custom ones I've seen is only a block off plate/shield on the sides to direct air towards the center instead of the sides. But that may take air away from your oil cooler depending on where it is mounted. Also look into hood scoop/extractor options to extract air.
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Old 08-01-2017, 11:59 AM   #5
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Hood vents, what you need are hood vents.
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Old 08-01-2017, 12:16 PM   #6
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Hood vents are definitely a must. If you are still overheating after that, something else is wrong. Ducting would only be a bandaid. That being said. No one has a kit as they will mostly be custom as every car is set-up slightly different. They are decently ducted from the factory.
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Old 08-01-2017, 02:58 PM   #7
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Isn't ecu tune governing engaging & rpms of fan? (IIRC there was a way to tune them in OFT). If so, i guess without modding any hardware one can get much more from very same rad, w/o any ducts, without any hood/fender vents.
There is nothing tune can do with oil overheating (except cutting power down), so that's the area you should care about/improve upon.
One can improve capability of rad (not bottleneck) via ducting or hood vents .. but what's a point, if ecu tune just will engage fan later/for shorter time interval/at lesser speeds to compensate? :/
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Old 08-01-2017, 04:28 PM   #8
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Isn't ecu tune governing engaging & rpms of fan? (IIRC there was a way to tune them in OFT). If so, i guess without modding any hardware one can get much more from very same rad, w/o any ducts, without any hood/fender vents.
There is nothing tune can do with oil overheating (except cutting power down), so that's the area you should care about/improve upon.
One can improve capability of rad (not bottleneck) via ducting or hood vents .. but what's a point, if ecu tune just will engage fan later/for shorter time interval/at lesser speeds to compensate? :/
Fans dont do much when the car is moving, OP hasnt specified if he is overheating standing still or when in movement, but something to consider.
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Old 08-01-2017, 04:47 PM   #9
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Have you looked at the ACE solution?
Link
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Old 08-01-2017, 07:37 PM   #10
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Have you looked at the ACE solution?
Link
I have been looking at that one too. But it looks like I either need to make mine, or buy the whole intake and use the sides and top.
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Old 08-01-2017, 08:07 PM   #11
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Originally Posted by Hawk77FT View Post
All,

I am interested in getting some ducting for the radiator. Is there anyone out there that makes something like that by any chance?
Just a few suggestions for engine coolant temp reduction.

If you don't encounter and freezing temps drain some coolant and add distilled water.

Increase the radiator cap to 1.3 bar

To prevent slower driving speed heating up you can have the cooling fans run constant off a switch.
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Old 08-01-2017, 08:46 PM   #12
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OP never said he had over heating issues with coolant or oil. I am not sure why you are all mentioning oil coolers and hood vents etc.

Similar to the Ace solution, HKS Kansai do them as part of an intake setup. LINK
Seems like an expensive way to go tho.

I don't think it would be too hard to fab up your own out of aluminium sheet if you were keen.
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Old 08-01-2017, 08:49 PM   #13
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OP never said he had over heating issues with coolant or oil. I am not sure why you are all mentioning oil coolers and hood vents etc.
You're right


OP what do you need ducting to accomplish?
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Old 08-01-2017, 11:33 PM   #14
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You're right


OP what do you need ducting to accomplish?
Best air flow through the radiator, and with the help of Velox bonnet vents placed in the low pressure area, achieve the best heat exhaust. Secondary benefit will be the increase in the down force. On the track or spirited driving it would be very good to get these two nailed with minimal modifications!

I had a look at the Kansai ones as well!
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