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Old 11-05-2020, 06:16   #1
Sparksgsr
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Evo intercooler recomendations

I Guys

Can anybody recommend a decent upgrade over the stock intercooler?
I have a forged engine soon to be mapped on a 80series

Ideally id like to change the intercooler for something that would be suitable figuratively speaking 450 - 550bhp or so
ill be changing the turbo for that kind of power

The car (evo 6) is not used much on the road its more of a track toy/project
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Old 11-05-2020, 06:40   #2
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What's your budget? Ross Sport have their Pro Alloy cooler kit for 650.
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Old 11-05-2020, 06:50   #3
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What's your budget? Ross Sport have their Pro Alloy cooler kit for 650.
APT are currently fitting one to our E9. Looking to tune to 410. If we forge it's good for 500+.
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Old 11-05-2020, 07:51   #4
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Fitment and quality is amazing
I run it on a 71hta at 1.7bar no issues
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Old 11-05-2020, 08:23   #5
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I have an ETS 3.5" . Rated at 750 bhp . Very welll built .and an easy fit.
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Old 11-05-2020, 16:14   #6
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3" ETS on my 9...
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Old 11-05-2020, 16:15   #7
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Quote:
Originally Posted by Sparksgsr View Post
I Guys

Can anybody recommend a decent upgrade over the stock intercooler?
I have a forged engine soon to be mapped on a 80series

Ideally id like to change the intercooler for something that would be suitable figuratively speaking 450 - 550bhp or so
ill be changing the turbo for that kind of power

The car (evo 6) is not used much on the road its more of a track toy/project
Not many work better than stock in my testing thatís why I make my own now.

Mark
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Old 21-05-2020, 20:57   #8
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What's your budget? Ross Sport have their Pro Alloy cooler kit for 650.
I have had a look at this cooler its huge!
Core Dimensions: Width 520mm, Height 300mm, Thickness 100mm

This is probably designed for larger than stock frame turbos,
This will probably not be an efficient match with an 80series maybe a s205 or gt35 that has an higher flow rate in comparison

I have never measured my evo 6 stock intercooler but I have found some info this is from https://www.4gtuner.com/topic/9426-e...er-dimensions/

Evo 6 intercooler: 470x289x70mm

Unsure on the dimensions above is this the core or including the inlets and outlets
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Old 21-05-2020, 21:22   #9
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Originally Posted by Sparksgsr View Post
I have had a look at this cooler its huge!
Core Dimensions: Width 520mm, Height 300mm, Thickness 100mm

This is probably designed for larger than stock frame turbos,
This will probably not be an efficient match with an 80series maybe a s205 or gt35 that has an higher flow rate in comparison

I have never measured my evo 6 stock intercooler but I have found some info this is from https://www.4gtuner.com/topic/9426-e...er-dimensions/

Evo 6 intercooler: 470x289x70mm

Unsure on the dimensions above is this the core or including the inlets and outlets
i have some comparrison pic of the stock evo 6 intercooler vs the pro alloy one.
Quite abit bigger
Outlets are at different angles
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Old 21-05-2020, 22:08   #10
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Quote:
Originally Posted by Sparksgsr View Post
I have had a look at this cooler its huge!
Core Dimensions: Width 520mm, Height 300mm, Thickness 100mm

This is probably designed for larger than stock frame turbos,
This will probably not be an efficient match with an 80series maybe a s205 or gt35 that has an higher flow rate in comparison

I have never measured my evo 6 stock intercooler but I have found some info this is from https://www.4gtuner.com/topic/9426-e...er-dimensions/

Evo 6 intercooler: 470x289x70mm

Unsure on the dimensions above is this the core or including the inlets and outlets
I thought you said you wanted a cooler for 550bhp or so. An s205 will put out 500+.

If you want a good budget cooler I would look at the HDI kits personally.
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Old 22-05-2020, 11:12   #11
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Originally Posted by Mark Shead View Post
Not many work better than stock in my testing that’s why I make my own now.

Mark
It is interesting that we see very little testing, and few check for themselves..

I used a cheap tube and fin 600x400 mm, 63 mm thick IC made by boost products (chinese IC of course) and with hks 7460 at 1.7 bar boost my maximum intake manifold temp is about 16 deg at 12C ambient..and likes to drop even lower at higher rpm..

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Old 22-05-2020, 17:48   #12
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It would be good to hear from anyone who has knowledge of performance differences between coolers, weight would be a factor in my decision especially given the location, I would have also thought a smaller cooler would be better for response?
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Old 22-05-2020, 18:24   #13
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It would be good to hear from anyone who has knowledge of performance differences between coolers, weight would be a factor in my decision especially given the location, I would have also thought a smaller cooler would be better for response?
It depends on what you are after. Do you still want all your power at top speed.
If you are worried about weight you wonít have you power at top speed lol.
I have been doing this for nearly 25years so learnt a bit over the years.
Tube and fin canít match size or size bar and plate but the core is generally cheaper hence why most use them. To bring up the performance of the tube and fin you need to add about 50% larger size to compare then the weight goes up.
As a min you need a 20 by 12 by 3.5inch core for much above 450hp ideally bigger is better my core is 25 by 12 by 3.5 for as good a performance for most things.
Anything above 40c intake temp you are loosing power the amount depends on how critical your engine is to a ignition loss and this depends on your compression ratio and idea ignition angle.
Most people donít tend to look or test with the maximum load and distance rather than a single squirt through one or two gears.
My testing always ends up a max speed and through the gear to put the cooler under maximum grief.

Mark
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Old 22-05-2020, 20:05   #14
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I reckon thatís your longest ever post Mark

Quote:
Originally Posted by Mark Shead View Post
It depends on what you are after. Do you still want all your power at top speed.
If you are worried about weight you wonít have you power at top speed lol.
I have been doing this for nearly 25years so learnt a bit over the years.
Tube and fin canít match size or size bar and plate but the core is generally cheaper hence why most use them. To bring up the performance of the tube and fin you need to add about 50% larger size to compare then the weight goes up.
As a min you need a 20 by 12 by 3.5inch core for much above 450hp ideally bigger is better my core is 25 by 12 by 3.5 for as good a performance for most things.
Anything above 40c intake temp you are loosing power the amount depends on how critical your engine is to a ignition loss and this depends on your compression ratio and idea ignition angle.
Most people donít tend to look or test with the maximum load and distance rather than a single squirt through one or two gears.
My testing always ends up a max speed and through the gear to put the cooler under maximum grief.

Mark
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Old 22-05-2020, 20:09   #15
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I have to disagree with you on the tube and fin vs the bar and plate comment. As far as size is concerned, because there are more factors one needs to take into account before buying a cooler. Not all tube and fin cores are the same, and actually they can differ very much in all their characteristics, end tank design, grade of aluminum used, the design of the tubes and their size, the internal structure of the fins, the amount of fins per 1cm, the amount of tubes per inch. Some tube and fin cores have smaller and less tubes with poor design than other cores of the same overall size. Air velocity and speed is more increased in a quality tube and fin core than in a bar and plate one. Yes you do need to add some additional cm3 area when using a tube and fin in comparison to a bar and plate but it's around the 20-30% max from what I have seen, worked with, made, and used. A good quality tube and fin core has more tubes than a bar and plate of the same size and their total weight is almost the same. So if a 600 x 300 x 150 bar and plate core has 12 bars, the tube and fin one of the same size will have 16 tubes or more, so there is your added cm3 area. In other words , same size core but with different structural passages and different design that provide the same cm3 area. Another advantage of having more air passages for the air to move into is that you allow the air to break down into more smaller cfm parts and go through more cooling passages and this cools down the air more evenly and more. The tube and fin core allows more fresh air to enter the engine compartment, and to reach the radiator. Price wise, it depends what you are buying from who.For instance, Garrett bar and plate cores are expensive, people used to swear on them being the best cores out there, well they ain't the best cores out there, there are much cheaper bar and plate cores that are equally efficient. The same goes for tube and fin. HKS intercoolers are all tube and fin design, their coolers are quality ones, but they are expensive, you can find exactly the same cores in HDI and Autobaghn 88 kits and yes I have compared them side by side. same exact core, both companies copied the HKS core. Stock cooler is also tube and fin.



Hopefully you will not get me wrong for posting this, but it contains certain points that I wanted to share with people. I have nothing against bar and plate cores , but I personally prefer tube and fin cores for the reasons I mentioned. You may not agree with me and I respect that, just wanted to share my point of view and experience. I'm also in the field of tuning cars, designing and engineering parts for around 25 years.








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Last edited by 4g638; 22-05-2020 at 20:27.. Reason: typo
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