How much power am I giving up by using a tube/fin IC?
Just curious. I chose the EVO IC because of its cheapness and massiveness, and I like tube and fin because it is light and cools VERY well, so it agreed with the goal of OEM reliability I had for the car.
So If I were to put my car on the dyno with my evo IC versus a bar and plate, what would be the power gain? I wouldn't give up the above advantages unless it was like 20+hp. |
Its probably irrelevent. You don't see any "bad" intecoolers much these days. If its keeping your intake temps in check you are probably fine. Most Evos push more air though those stock than any Miata will.
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I have yet to find a definitive "end all" answer to this. There's too many variables. The only way to really know the answer is to install one on your car, do a pull - then repeat with the other. Let us know what you find. ;)
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Originally Posted by Wideopentuning
(Post 71120)
Most Evos push more air though those stock than any Miata will.
Originally Posted by m2cupcar
(Post 71122)
The only way to really know the answer is to install one on your car, do a pull - then repeat with the other. Let us know what you find. ;)
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I don't believe you'll see much difference.
From my understanding. Tube/fine = lighter and less restrictive, cools fine Bar/plate = heavier and more restrictive, cools more effectively. |
Originally Posted by Splitime
(Post 71127)
I don't believe you'll see much difference.
From my understanding. Tube/fine = lighter and less restrictive, cools fine Bar/plate = heavier and more restrictive, cools more effectively and looks way cooler. Edited for you ;) |
Wait I thought bar/plate was less restrictive but cooled worse than tube/fin.
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I'm with you Tim, from what I've read:
Tube/Fin = Greater pressure drop; But greater efficiency & lighter Bar/Plate = Low pressure drop; But less efficient than tube/fin & heavier |
Originally Posted by braineack
(Post 71130)
I'm with you Tim, from what I've read:
Tube/Fin = Greater pressure drop; But greater efficiency & lighter Bar/Plate = Low pressure drop; But less efficient than tube/fin & heavier http://www.are.com.au/techtalk/intec...e%20and%20Fin? Don't forget that the endtank and IC piping is important also ;) |
yeah it's all stolen from Corky Bell, which is where I got my info from.... I can tell you the page number later when I get home.
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Yeah, tube/fin cools really well because it is more restrictive. Charge air hits more fins and spends more time in the core. Bar/plate flows better/makes more power but doesn't cool as well and is heavier.
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maximum boost pg 49, Fig. 5-4
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you are giving up all your power by not using WI and relying on that laggy peice of metal :) j/k
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I have an srt4 tube/fin, traded a precsion bar/plate for it, I like the lightness of it over the bar/plate, difference was prolly like 15lbs, thing was heavvvvvy.
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That IC Is massive...How is your radiator cooling efficeintcy...Any overheating issues? Im just curious?
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I've had no problems with overheating, but then I don't track it. I'm sure some ducting or a radiator from an automatic or a Koyo would be plenty though.
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Oh ok that solves my question
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Originally Posted by braineack
(Post 71149)
maximum boost pg 49, Fig. 5-4
Frank |
What I posted was at least his thoughts on tube/fin vs. bar/plate which still hold true.
His new edition will have a completely revised section on intercooling. Sidenote: he just asked for my mailing address yesterday, I wonder what he wants to send me. :confused: |
who knows.
i also understand that the tube-fin style has better airflow to the radiator since the rounded tubes are a bit more aerodynamic than the bar/plate tubes. bar and plate is also more robust. the extrusions are very sturdy. especially when welded up. |
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