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Uprated alloy radiator
#1574568
21/05/2016 14:34
21/05/2016 14:34
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Joined: Dec 2009
Posts: 148 Sofia, Bulgaria
injekciona
OP
On a journey
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OP
On a journey
Joined: Dec 2009
Posts: 148
Sofia, Bulgaria
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Hi mates, I'm after uprated alloy radiator for my 16VT Coupe. I can't find any company that offers uprated radiators for 16VT on the shelf. So my options are to modify Audi S3/TT or 20VT radiators. There is a large selection of S3 uprated radiators but installing such one requires some modifications to the engine bay that I prefer to avoid. So I think that installing 20VT radiator would be my best option. But the next problem arises, I can't find any uprated 20VT radiators in stock. As far as I could find Direnza offers 20VT uprated radiators, but they are out of stock in all online shops.... In the forum I saw that some of you have uprated radiators from Pro Alloy/Pace. In their web sites I didn't find out if they offer Coupe radiators, so I sent them email inquiries. Do you know any other manufacturer that has 20VT uprated radiators in stock? Thanks.
Jet Black E46 M3 EX - Broom Yellow Fiat Coupe 1.8 -> 2.0 16VT Speed Red Fiat Coupe 2.0 16VT R.I.P.
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Re: Uprated alloy radiator
[Re: injekciona]
#1574616
21/05/2016 23:34
21/05/2016 23:34
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Joined: Dec 2007
Posts: 2,252 Windsor/ Reading
knight7660
Competition Level
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Competition Level
Joined: Dec 2007
Posts: 2,252
Windsor/ Reading
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what sort of power are you running? because so far alot of us with Modded coupes dont run an uprated rad because its not needed. a new 20vt rad and some slim uprated fans have done the job fine even sitting in traffic on a summers day or kicking it hard on the track.
I moved over to a RADTEC uprated rad which ive had for a while but this was only because my VIS (one of the daily drives) needed a replacement rad so i finially swapped them over so i didnt have to buy a new one.
LE53 (452BHp & 389ftlb's with Quaife) Wine red VIS FOOFY Audi RS4 B7
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Re: Uprated alloy radiator
[Re: injekciona]
#1574630
22/05/2016 00:34
22/05/2016 00:34
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Joined: Dec 2009
Posts: 148 Sofia, Bulgaria
injekciona
OP
On a journey
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OP
On a journey
Joined: Dec 2009
Posts: 148
Sofia, Bulgaria
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At the moment the car is still with the stock turbo and I'm running ~300hp, but by the end of the year I'll upgrade my turbo and it is expected to reach 500hp. I'm worried about the cooling of the engine when the outside temperature reaches 30+C. Even at that power, when kicking it hard in the hot summer days it reaches 90+C quite easy. Yesterday I found that my radiator has started to leak so it's a good moment to upgrade it with something better.
Jet Black E46 M3 EX - Broom Yellow Fiat Coupe 1.8 -> 2.0 16VT Speed Red Fiat Coupe 2.0 16VT R.I.P.
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Re: Uprated alloy radiator
[Re: injekciona]
#1574642
22/05/2016 09:30
22/05/2016 09:30
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Joined: Oct 2008
Posts: 6,783 In the coupe.
magooagain
Club Member 259
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Club Member 259
Forum is my life
Joined: Oct 2008
Posts: 6,783
In the coupe.
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Whatever radiator you put in. Installing a switch to operate the fans when you want to is a good idea.
I track my coupe in 30 temp and I Allways try to give it a small run when I leave the track. Then when back at parking I stop it for a couple of minutes then start it again for a very short while. I have found that it stops over expansion and you don't get a puddle of boiling water on the Tarmac.
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Re: Uprated alloy radiator
[Re: injekciona]
#1575070
26/05/2016 16:54
26/05/2016 16:54
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Joined: Dec 2009
Posts: 148 Sofia, Bulgaria
injekciona
OP
On a journey
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OP
On a journey
Joined: Dec 2009
Posts: 148
Sofia, Bulgaria
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Yes, the manual switch about the fans is a good idea, but I was thinking about some adjustable fan controller rather than a manual switch. After a week spent in searching for uprated aluminium radiator, I still have no options. The Pro Alloy don't produce 20VT radiators any more, I still have no answer form Pace/RADTEC. The Direnza radiator is out of stock everywhere. Its dealers can make a special order, but the delivery time is unknown, it may take a week or several months....Last weekend I took some measures of the engine bay in regard to fitting a S3 radiator. It would fit, but I don't like the modifications that are needed for it to be installed. In Bulgaria there aren't any Coupe radiators in stock. If you don't have some other ideas about uprated ones, I'll purchase a Valeo from Italy.
Jet Black E46 M3 EX - Broom Yellow Fiat Coupe 1.8 -> 2.0 16VT Speed Red Fiat Coupe 2.0 16VT R.I.P.
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Re: Uprated alloy radiator
[Re: injekciona]
#1575098
26/05/2016 21:12
26/05/2016 21:12
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Joined: Dec 2007
Posts: 2,252 Windsor/ Reading
knight7660
Competition Level
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Competition Level
Joined: Dec 2007
Posts: 2,252
Windsor/ Reading
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in all honesty mate just get a new standard rad, slim line fans and make sure the slam pannel is doing its job (making a seel around the rad area so air is forces through it) test.
If its still to hot then move over to Evans waterless coolant which makes a difference aswell unless its past 100c i wouldnt worry to much.
Last edited by knight7660; 26/05/2016 21:14.
LE53 (452BHp & 389ftlb's with Quaife) Wine red VIS FOOFY Audi RS4 B7
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Re: Uprated alloy radiator
[Re: injekciona]
#1575140
27/05/2016 12:23
27/05/2016 12:23
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Joined: Jul 2013
Posts: 129 Zagreb, CRO
Jopa_zgd
On a journey
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On a journey
Joined: Jul 2013
Posts: 129
Zagreb, CRO
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When I was in a search of better radiator I've found that racing 3 row radiator for Japan cars are very cheap. Check for ebay and find one that is suitable for you by size and ports. You could easily pass with 200-250 euros for more than adequate radiator. Never, never remove the thermostat. Unless you go with el pump, pulsating by controller (but this is also very tricky area for daily driven car) Also, you could try to make a fan shroud. Original fans should have enough flow to cool down the radiator. Even better with shroud. Don't want to be rude, but why should slim fans improve cooling? There is a lot of slim fans on the market that are weaker by flow in compare to original radiators. Been there, done that
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Re: Uprated alloy radiator
[Re: Jopa_zgd]
#1575214
28/05/2016 00:17
28/05/2016 00:17
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Joined: Dec 2007
Posts: 2,252 Windsor/ Reading
knight7660
Competition Level
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Competition Level
Joined: Dec 2007
Posts: 2,252
Windsor/ Reading
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When I was in a search of better radiator I've found that racing 3 row radiator for Japan cars are very cheap. Check for ebay and find one that is suitable for you by size and ports. You could easily pass with 200-250 euros for more than adequate radiator. Never, never remove the thermostat. Unless you go with el pump, pulsating by controller (but this is also very tricky area for daily driven car) Also, you could try to make a fan shroud. Original fans should have enough flow to cool down the radiator. Even better with shroud. Don't want to be rude, but why should slim fans improve cooling? There is a lot of slim fans on the market that are weaker by flow in compare to original radiators. Been there, done that Im only talking about slim line fans which are from a motorsport back ground unlike the ebay cheap fans which obviously you have tried already. buy cheap buy twice. Im talking Spal or Kenlowe which are used all over motorsport. http://www.kenlowe.com/CoolingAftermarket.php
LE53 (452BHp & 389ftlb's with Quaife) Wine red VIS FOOFY Audi RS4 B7
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Re: Uprated alloy radiator
[Re: Jopa_zgd]
#1575387
30/05/2016 13:14
30/05/2016 13:14
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Joined: Sep 2015
Posts: 45 italy
pippoinzaghi
Discoverer
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Discoverer
Joined: Sep 2015
Posts: 45
italy
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Never, never remove the thermostat. Unless you go with el pump, pulsating by controller (but this is also very tricky area for daily driven car)
why do not remove thermostat?of course after you have to drive carefully the car, but as you know you can't have everything
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Re: Uprated alloy radiator
[Re: injekciona]
#1575426
30/05/2016 19:08
30/05/2016 19:08
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Joined: Jul 2013
Posts: 129 Zagreb, CRO
Jopa_zgd
On a journey
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On a journey
Joined: Jul 2013
Posts: 129
Zagreb, CRO
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Actually I've tried with Spal. Don't know the model of fan, friend use it on race car with no problems. But I've found out that original fans cool down much quicker (car standing in place). Edit: Kenlowe are serious fans. underrated (by specs) and much more serious than Spal. In fact, Kenlowe are the best fans for normal price on the market. Pippo, because when you are driving, the radiator will cool down the coolant below "working temp". In that case, the ECU will overfuel, dry out cylinders, bearings will be gone much sooner....
Last edited by Jopa_zgd; 30/05/2016 19:11.
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