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  1. #1
    heyadamhey's Avatar
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    2.0 TDI Front Mount Intercooler

    Hi folks,
    I have a an A3 TDI 140 PD and I'm thinking about getting an FMIC kit. I've seen shops advertising up to 30kw gains over the standard IC. I've heard though, that the standard IC is plenty good enough to remove the heat fom the standard turbo, and therefor you won't see any gains from a bigger IC.

    Surely the greater heat reduction from a bigger IC will result in cooler air in the inlet manifold and more power ? or would this only be noticable after a remap?

    do Diesel turbo/IC systems work any different from Petrol? (sorry if that's a dumb question)

    Thanks!
    Adam
    Akoya TDI 140, 18" S4 Rims, VCDS, H&R
    Getting Hybrid treatment

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  3. #2
    devonmikeyboy's Avatar
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    Quote Originally Posted by heyadamhey View Post
    Hi folks,
    I have a an A3 TDI 140 PD and I'm thinking about getting an FMIC kit. I've seen shops advertising up to 30kw gains over the standard IC. I've heard though, that the standard IC is plenty good enough to remove the heat fom the standard turbo, and therefor you won't see any gains from a bigger IC.

    Surely the greater heat reduction from a bigger IC will result in cooler air in the inlet manifold and more power ? or would this only be noticable after a remap?

    do Diesel turbo/IC systems work any different from Petrol? (sorry if that's a dumb question)

    Thanks!
    Adam
    The standard intercooler is fairly good, so good infact that i still haven`t replaced it on my car yet. Replacing it with an S3 intercooler is a fairly major job and you will see very little if any gains on a remapped car and basically nothing on a stock car. If you haven`t even remapped your car yet why are you even thinking about fitting an uprated intercooler for?
    06 Audi 2.0 PD140 Sport TDI Quattro S-LINE.
    Old engine 330 bhp @ flywheel 263 bhp @ wheel 490 lb torque. Audidriver write up HERE
    Now stripped and playing with an uprated Cryo treated engine fitted with bigger turbo,water/methanol,uprated injectors etc etc.Wanting 400 bhp and 500 lb torque.

    Other car 500+ bhp MK4 Golf R32 turbo.

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    devon mikey boy
    a quick q ? for you. have you done an egr delete on your car ??

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    heyadamhey's Avatar
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    the reason I was gonna do the FMIC first, was that I figured the re-map would be mroe effective with the FMIC in place.
    so you reckon these guys claiming huge gains on bigger intercoolers are blowing hot air (excuse the pun )
    Akoya TDI 140, 18" S4 Rims, VCDS, H&R
    Getting Hybrid treatment

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    Quote Originally Posted by hollow View Post
    devon mikey boy
    a quick q ? for you. have you done an egr delete on your car ??
    Yes.


    Quote Originally Posted by heyadamhey View Post
    the reason I was gonna do the FMIC first, was that I figured the re-map would be mroe effective with the FMIC in place.
    so you reckon these guys claiming huge gains on bigger intercoolers are blowing hot air (excuse the pun )
    There are gains to having a larger FMIC fitted but you will not really notice them untill you start to really push the engine and start fitting hybrid turbos etc. On my new rebuild i am having an S3 FMIC fitted plus a forge twintercooler. I am only fitting the twintercooler as i managed to buy it cheap secondhand as what Forge charge is a bloody joke and a complete rip off for a new one.
    06 Audi 2.0 PD140 Sport TDI Quattro S-LINE.
    Old engine 330 bhp @ flywheel 263 bhp @ wheel 490 lb torque. Audidriver write up HERE
    Now stripped and playing with an uprated Cryo treated engine fitted with bigger turbo,water/methanol,uprated injectors etc etc.Wanting 400 bhp and 500 lb torque.

    Other car 500+ bhp MK4 Golf R32 turbo.

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    I have another question regarding the S3 intercooler on diesel: how will the engine function during cold time?
    I have the OEM one and during winter the engine barely reaches optimum working temperature. I'm thinking that with a bigger, front mounted intercoolet it will heat even slower. Won't this damage te engine?

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    Forge's Avatar
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    check the Forge prices , they have dropped .... a lot

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    heyadamhey's Avatar
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    thanks devonmikeyboy, so you don't think fitting a FMIC prior to a remap would enable the remap to get a better result?
    i.e. push the boost up a bit more or something
    (sorry - I don't know the extent to which you can tune with a remap)
    Akoya TDI 140, 18" S4 Rims, VCDS, H&R
    Getting Hybrid treatment

  10. #9
    devonmikeyboy's Avatar
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    If your having just a remap the stock FMIC is plenty large enough to cope unless maybe you drive in a very hot country. As i stated earlier i am still using just the stock FMIC so i shouldn`t waste your money plus it`s a ***** of a job ( full front of the car off job ) to change.
    06 Audi 2.0 PD140 Sport TDI Quattro S-LINE.
    Old engine 330 bhp @ flywheel 263 bhp @ wheel 490 lb torque. Audidriver write up HERE
    Now stripped and playing with an uprated Cryo treated engine fitted with bigger turbo,water/methanol,uprated injectors etc etc.Wanting 400 bhp and 500 lb torque.

    Other car 500+ bhp MK4 Golf R32 turbo.

  11. #10
    heyadamhey's Avatar
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    Cheers mate. I live in South Africa, so it's often 30+ deg C

    I guess I was mitstakenly thinking a larger IC would have the same kind of effect as a cold air induction kit on a naturally aspirated car i.e. the colder the air going into the engine, the denser it will be therefor the more fuel you can add to it.

    (edit)

    I suppose, if the standard IC can cool the charge to ambient temperature, a bigger one is still only gonna be able to cool it to the same ambient temp. Therefor a bigger IC is only gonna make a difference if the charge air is hotter i.e. from a bigger turbo.
    Last edited by heyadamhey; 6th July 2009 at 10:51.
    Akoya TDI 140, 18" S4 Rims, VCDS, H&R
    Getting Hybrid treatment

 

 

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