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  1. #1
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    N75 knowledge needed

    I wondered if someone can give me any advice on this. They aren't a valves I'm really knowledgeable about but I've been told if you fit the correct one gains can be found.

    I've just been offered a ECS N75 Race Valve and wondered if they are worth the swap. I currently have the later variant which I think is an E. Prior to this I think I had the F variant but this was shot hence the change to the later spec one.

    Thoughts and opinions please guys.

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  3. #2
    Bradderz_1988's Avatar
    Dont replace it, Upgrade it !!

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    Stick with a standard N75 and get the car mapped with maybe some upgrades (injectors,maf,fmic etc) to achieve a proper gain !! Any other n75 just brings the boost in to harsh and doesnt show any significant gains overall !!
    1999 Audi A4 1.8T Quattro Sport - Volcano Black

    Mods - Frankenturbo F21 Kit - 3" MAF - Saab Reds - THS Decat - Non Res Milltek - ECS Crank Pulley - 034 Snub + Bracket/Gbox Mounts - 1Z/S2 Clutch + Flywheel - 007p - ICM + EVAP Delete - PFR6Q Plugs - S4 B6 345mm Brakes - 300mm Rear Brakes - Goodridge Hoses - LCR Splitter -S4 Bumbers + Skirts/Mouldings - OEM Xenons - Apikol Diff mounts - Polytek'd Rear Diff Mount
    To do/planned -Eibach pro's - GT2871/76R + FMIC + ME7 (maybe) + Engine/stroker Build

  4. #3
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    What injectors do people tend to go with and what is the MAF upgrade? May consider a change of plan. ;-)

  5. #4
    "Stick a V8 in it!"

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    those components need matched to the turbo you've chosen and power level your aiming for.

    2000 A4 1.8T Sport Quattro Avant, Berry Pearl
    2000 A4 1.8T Sport Quattro Saloon, Black-ish
    1997 S4 - PPC £999 Challenge Track Car Build
    TD5 Land Rover Defender build


  6. #5
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    I'm thinking of heading down the ko3s route and aiming for about 230-250bhp. Really trying to get together a shopping list of bits I'd need.

  7. #6
    "Stick a V8 in it!"

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    K03s on an A4 doesnt really exist.

    What car do you have? Year? Engine?

    2000 A4 1.8T Sport Quattro Avant, Berry Pearl
    2000 A4 1.8T Sport Quattro Saloon, Black-ish
    1997 S4 - PPC £999 Challenge Track Car Build
    TD5 Land Rover Defender build


  8. #7
    Arrkon's Avatar
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    Quote Originally Posted by aragorn View Post
    K03s on an A4 doesnt really exist.

    What car do you have? Year? Engine?
    I suppose you have the K03-073 from the B6 BEX lump, could be classed as a K03's'
    Currently rolling in a SKODA!!!

  9. #8
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    It is a 98 AEB. Was advised I have a KO3 and that a KO3s would be a nice easy straight fit. :-/

  10. #9
    "Stick a V8 in it!"

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    Yeh, the problem is that the "K03s" isnt really that common on the A4. As rob says, the B6 190hp motor has it, but they're fairly rare. On the A3/Golf most cars were fitted with them after a certain year, so they're fairly ubiquitous, but the A3/Golf turbo doesnt fit the A4.

    IMHO your far better getting a hybrid built by beachbuggy, you can fit much larger parts inside the stock housings than you'd get with a K03s and you'll know its new.

    S3 or RS6 turbine and an RS4 compressor wheel and you should have a turbo capable of 250hp or so.

    C20LET injectors, 3 bar regulator and a VR6 MAF housing will go nicely with these parts.

    2000 A4 1.8T Sport Quattro Avant, Berry Pearl
    2000 A4 1.8T Sport Quattro Saloon, Black-ish
    1997 S4 - PPC £999 Challenge Track Car Build
    TD5 Land Rover Defender build


  11. #10
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    Thanks for the heads up. I wasn't aware of the availability of the KO3s' so i may actually consider the option you mentioned. I've been looking at some Saab Red top injectors. Would I be correct in saying these would also work well?

    Is beachbuggy a resident on this forum?

  12. #11
    "Stick a V8 in it!"

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    yeh saabs are a little bigger but would also work.

    beachbuggy is a member, he also has a facebook page if you google for beach buggy turbos you'll find it.

    2000 A4 1.8T Sport Quattro Avant, Berry Pearl
    2000 A4 1.8T Sport Quattro Saloon, Black-ish
    1997 S4 - PPC £999 Challenge Track Car Build
    TD5 Land Rover Defender build


 

 

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