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  1. #1
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    Default about big intecooler ?

    hi guys
    i want to change intercooler as big one..
    but what is measure of intecooler?
    litre and dimensions?
    and has anybody got one ?
    thank you

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    Quote Originally Posted by nick View Post
    hi guys
    i want to change intercooler as big one..
    but what is measure of intecooler?
    litre and dimensions?
    and has anybody got one ?
    thank you
    I am in start position to install a bigger intercooler on the orginale place, its 4cm wider and 4cm higher i think, its custom buildt for ? price of approx 280euro. I can give some feedback when its tested but it will take 2-4weeks before I am finnish
    Last edited by Integrale; 04-08-11 at 20:23. Reason: Picture

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    It was only 2 cm wider
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    hımm thanks
    so how much litre?

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    A fitted an Audi S2 intercooler

  6. #6
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    Hi, Steve!
    Do you by any chance got some pics with it mounted? Thanks.
    Alfa Romeo 155 Q4 WB '95
    Alfa Romeo per sempre !

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    It was on my Fiat Tipo
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    Quote Originally Posted by nick View Post
    hımm thanks
    so how much litre?
    I dont realy know. Its slitly bigger.
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    hi guys
    what do u think about this intercooler
    (8,5 liter)
    http://img692.imageshack.us/img692/2554/intercoolar.jpg

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  11. #11
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    Looks like it has possibilities, can you get it with the inlet and outlet on opposite sides?
    1994 Alfa Romeo 155 Q4: Dozeing in the garage.
    2009 Audi A4 tdi: Everyday drive.
    1994 Alfa Romeo 155 , 1995cc Std Standard Black

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    Last edited by nick; 11-08-11 at 22:36.

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    Quote Originally Posted by Integrale View Post
    I dont realy know. Its slitly bigger.
    seems like good enough for slight modifications for street use.
    have you installed it onto your car?
    do you have plans like water spray to it?

    i have a 75 Turbo America and old owner has modified her air-to-air intercooler to a water-to-air intercooler and this setup is giving very nice values. it has a water radiator in front of the a/c condenser and an electric water pump to the intercooler. by the way, the 75 turbo's intake manifold is the intercooler so such these modifications are easily deployed to them. maybe a modification like this can be done to our q4's.

    i think a water radiator can be installed to the stock intercooler's place and we can cool the metal intake pipe so the way of the air pumped from the charger is much shorter and can eliminate the turbo lag.

    just an idea...

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    Here is mine:



    and with the silverstone splitter fitted:



    Was forced to cut a bit in the frontspoiler though, and it is bolted up into the "front crash-support" don?t know the right word in En?glish sorry

    regards
    David

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    David... I don't think there IS a correct word for that piece in English! Amazing looking car...

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    Quote Originally Posted by jimnielsen View Post
    Amazing looking car...
    I agree

    Great modifications and yet still the great looks of the 155. Well done!
    In a world full of compromise...
    ...some don't.
    ___________________________
    Opel Astra Sports Tourer 110HP 2017
    Alfa 147 1.6 16V 120HP
    Alfa 155 Q4 2.0 16V turbo

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    I thought I'd bump this thread up again seeing as intercoolers are being discussed again. Can't remember who was having the new slightly larger intercoolers made up, but how did you get on with them? Did they fit OK and did you see much difference with them?
    1994 Alfa Romeo 155 Q4: Dozeing in the garage.
    2009 Audi A4 tdi: Everyday drive.
    1994 Alfa Romeo 155 , 1995cc Std Standard Black

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    Quote Originally Posted by Integrale View Post
    I dont realy know. Its slitly bigger.
    Hi, can i ask where you get that IC? I was looking everywhere for some like you have but didnt find anything. I am looking for some slightly bigger, but still capable to fit in into original position. Any advices welcome.

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    I can't remember who it was, but it was specially made for them by a local company. Maybe ask integrale and see if he can remember.
    1994 Alfa Romeo 155 Q4: Dozeing in the garage.
    2009 Audi A4 tdi: Everyday drive.
    1994 Alfa Romeo 155 , 1995cc Std Standard Black

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    Hi every body! my first post here.. looking for bigger Ic too, my question is longer pipes= more lag?? or because more density of air(lower air temp) compense the long distance Ic tubbing?

  21. #21
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    Anyone care to go first?
    1994 Alfa Romeo 155 Q4: Dozeing in the garage.
    2009 Audi A4 tdi: Everyday drive.
    1994 Alfa Romeo 155 , 1995cc Std Standard Black

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    Quote Originally Posted by Steve Webb View Post
    I can't remember who it was, but it was specially made for them by a local company. Maybe ask integrale and see if he can remember.

    Hello

    I bougth it from a friend of jNK if i dont remeber verry wrong.
    He is from Hungery. hgabor78@upcmail.hu

    Leif

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    Quote Originally Posted by Integrale View Post
    Hello

    I bougth it from a friend of jNK if i dont remeber verry wrong.
    He is from Hungery. hgabor78@upcmail.hu

    Leif
    Thanks for contact! Already written him. I will hope he can make one more and send it to Czech Republic.

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    why doesnt anyone try water to air intercooler?

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    Quote Originally Posted by CloverleafQ4 View Post
    Hi every body! my first post here.. looking for bigger Ic too, my question is longer pipes= more lag?? or because more density of air(lower air temp) compense the long distance Ic tubbing?
    Cloverleaf, I fitted large intercoolers on Uno turbos and 145 Alfas. I did not notice a lag problem on any of them but I used turbos that can deliver the boost up to the redline.

    That said, it is possible to struggle if you work from no boost, but that is only possible at take-off in 1st gear. In gear, at freeway speeds, there will be no boost due to the part throttle you use, but if you floor the accelerator the boost will be there instantly.

    In high power cars it is an advantage to have volume stored in the tube from the intercooler(63/75mm) and the plenum(100/125mm) to keep pressure constant through acceleration.

    Water to air coolers, known locally as charge-coolers, are very effective if set up correctly. They are more expensive, take more space and is heavy. The cooler should hold at least 5 ltrs of water and you will need a radiator the size of the std intercooler with an electric pump to circulate the water. See charge cooler at right in the 1st picture and large intercooler in 2nd.
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    Last edited by corriedw; 23-01-14 at 12:54. Reason: addition

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