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Thread: a3 1.8t agu k03 modifications

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    Talking a3 1.8t agu k03 modifications

    hey people recently got a metallic blue 1.8t a3 agu engine k03 turbo and im wondering my best route to go down for around 220bhp? ive heard of the 007p forge valve miltek exhaust but then ive seen bypassing things and all sort's of stuff any information would be good on what to get etc and price's thanks

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    http://www.audi-sport.net/vb/search.php

    This is asked more or less everyday and lots of informtion in the sticky section at the top of the section

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    Re-map, exhaust, downpipe, intake, intercooler
    B5 v1 Tip, B5 Exhaust Manifold, Beach Buggy Hybrid, Pipewerx D.P and cat bypass, Miltek resonated cat back, AH Fabs v2 Intercooler, S2000 Filter, 83mm 9.5:1 CP Pistons, Brute Rods, Bosch 550cc Injectors, Oil Catch can, N249 delete, B5 Phenolic Gasket, Devils Own Water Meth Kit, Forge baffled sump.
    H&R Springs, Koni FSD Shocks, s3dave's rear tie bars, R32 ARB's, LCR Brembo's, 18" ttrs alloys, replaced all suspension bushes, 15/20mm spacers front/rear, Vibratechnics Engine Mounts.

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    Quote Originally Posted by Byzan Pics View Post
    http://www.audi-sport.net/vb/search.php

    This is asked more or less everyday and lots of informtion in the sticky section at the top of the section
    This.

    Regular/long term members don't even bother looking at 8L chat due to the same threads being repeated daily. It makes me sad.
    I quite often say I'm going to do things.

    Then never do them.

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    Quote Originally Posted by IrishDave View Post
    Re-map, exhaust, downpipe, intake, intercooler
    why a downpipe mate? not heard that one before

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    Quote Originally Posted by joebickerton89 View Post
    why a downpipe mate? not heard that one before
    Search!

    This was last weeks thread which covers everything you will need to know for tuning on the stock turbo.

    Are these worth doing?
    I quite often say I'm going to do things.

    Then never do them.

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    I'm feeling nice, so I'll reply instead of being arkward

    As you have an AGU, you currently have a ko3 turbo mate, which will not ever make more than 195bhp I'm afraid

    You could map it as it is now, totally stock, and see 185-190bhp, or you could add every bolt on mod going, and make 190-195bhp.

    To get beyond this figure, you'll need a ko3S turbo from a later facelift car, leon cupra, 180TT, Later Golf, loads of things to get a turbo from.

    Add a ko3s, along with a 3'' Downpipe and decat, and a front mount intercooler, and you'll be good for 220-230bhp depending on where you get it mapped.

    The downpipe is absolutely essential I'm afraid, as the stock downpipe is SO small it's unreal, a massive restriction. Downpipes and decats that mate to your stock exhaust are only £100 on ebay.

    The standard single side mount intercooler is also terrible, hence the need for the FMIC. Search ebay for mk4 golf FMIC and you'll find a turbo revs kit for under £200 which is perfectly suited to the ko3S.

    As well as these things, you'll need a decent airfilter, be that a panel filter or a cone, and a working Diverter valve, be that a new stock one, or a forge 007/008.

    A custom map then from somewhere like R-tech for an AGU, and you'll be very, very happy indeed.
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    Quote Originally Posted by Prawn View Post
    I'm feeling nice, so I'll reply instead of being arkward

    As you have an AGU, you currently have a ko3 turbo mate, which will not ever make more than 195bhp I'm afraid

    You could map it as it is now, totally stock, and see 185-190bhp, or you could add every bolt on mod going, and make 190-195bhp.

    To get beyond this figure, you'll need a ko3S turbo from a later facelift car, leon cupra, 180TT, Later Golf, loads of things to get a turbo from.

    Add a ko3s, along with a 3'' Downpipe and decat, and a front mount intercooler, and you'll be good for 220-230bhp depending on where you get it mapped.

    The downpipe is absolutely essential I'm afraid, as the stock downpipe is SO small it's unreal, a massive restriction. Downpipes and decats that mate to your stock exhaust are only £100 on ebay.

    The standard single side mount intercooler is also terrible, hence the need for the FMIC. Search ebay for mk4 golf FMIC and you'll find a turbo revs kit for under £200 which is perfectly suited to the ko3S.

    As well as these things, you'll need a decent airfilter, be that a panel filter or a cone, and a working Diverter valve, be that a new stock one, or a forge 007/008.

    A custom map then from somewhere like R-tech for an AGU, and you'll be very, very happy indeed.
    really mate i was told i could get 220bhp with a stage 2 on a k03 turbo

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    I'm afraid not mate, the absolute limits of the ko3 are around 190bhp, with some rare cases reaching 195bhp, but generally, the rest of the hardware is capable of more than the turbo, hence why you can't add much to it with bolt on mods beyond a st1.

    To give you an idea of what the hardware can do, a totally stock later car with almost exactly the same hardware, but a k03S turbo can reach 210bhp from just a st1 map.

    a st2 ko3S car will make you very happy though, they go well on the road, and often make 250lbft or more of torque
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    my friends gold made just under 200 bhp with a tip, 007, air filter and a full exhaust on a stage one map people seem to be getting upto 220 odd mate and then a bit more on the k03s's

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    a3 1.8t agu k03 modifications

    With my k03s I had dp, exhaust, tip and induction with a stage 1+ map I got 223bhp

    I added a front mount, forge. 008 dv and stage 2 map and got it to 242bhp

    I then added a stage 2 water meth kit and retuned it for everyday driving and got it to now 264bhp

    The k03s over the k03 makes a difference

    My rides thread : http://www.audi-sport.net/vb/a3-s3-f...t-journey.html

    Quote Originally Posted by Paradox1 View Post
    Healthy??? no,no,noooo

    Mine is healthy


    yours is on steriods!!!

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    Quote Originally Posted by MIGGZ View Post
    With my k03s I had dp, exhaust, tip and induction with a stage 1+ map I got 223bhp

    I added a front mount, forge. 008 dv and stage 2 map and got it to 242bhp

    I then added a stage 2 water meth kit and retuned it for everyday driving and got it to now 264bhp

    The k03s over the k03 makes a difference
    i may just keep my eye out for a k03s then is it a straight turbo off and k03s turbo on?

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    nanananananananan BATMAN

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    a3 1.8t agu k03 modifications

    I think the only thing that changes is the tip as the compressor side is slightly bigger so you will need a bigger tip. But might as well go for a aftermarket one like forge or whatever. I don't really know what brands you guys get there. Here its easy its forge or samco

    Take prawns word for it on the limits of the k03 as I don't know anyone else that has done as much work on their A3 as he has.

    If you have a lot of time and want some inspiration go thru his thread and you will see everything you need to know about a A3.

    My rides thread : http://www.audi-sport.net/vb/a3-s3-f...t-journey.html

    Quote Originally Posted by Paradox1 View Post
    Healthy??? no,no,noooo

    Mine is healthy


    yours is on steriods!!!

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    Quote Originally Posted by MIGGZ View Post
    I think the only thing that changes is the tip as the compressor side is slightly bigger so you will need a bigger tip. But might as well go for a aftermarket one like forge or whatever. I don't really know what brands you guys get there. Here its easy its forge or samco

    Take prawns word for it on the limits of the k03 as I don't know anyone else that has done as much work on their A3 as he has.

    If you have a lot of time and want some inspiration go thru his thread and you will see everything you need to know about a A3.
    ok thanks mate and my friends just spoke to his mate at rtech remaps and they max at 200bhp so his correct so k03s it is :D

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    a3 1.8t agu k03 modifications

    Quote Originally Posted by joebickerton89 View Post
    ok thanks mate and my friends just spoke to his mate at rtech remaps and they max at 200bhp so his correct so k03s it is :D
    Pleasure dude!

    My rides thread : http://www.audi-sport.net/vb/a3-s3-f...t-journey.html

    Quote Originally Posted by Paradox1 View Post
    Healthy??? no,no,noooo

    Mine is healthy


    yours is on steriods!!!

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    You don't need a bigger TIP for a K03s, the OD of the inlet is the same size.
    I quite often say I'm going to do things.

    Then never do them.

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    Quote Originally Posted by 16Klappe View Post
    You don't need a bigger TIP for a K03s, the OD of the inlet is the same size.
    is that 100% dont need to change it mate?

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    ^^ yep

    Although for performance I'd get something silicone in there, SFS make a k03 k03s 70mm silicone unit.

    The B5 TIP is for the K04 sadly atm, maybe something for the future
    Last edited by Broken Byzan; 19th December 2012 at 22:58.

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    a3 1.8t agu k03 modifications

    Quote Originally Posted by 16Klappe View Post
    You don't need a bigger TIP for a K03s, the OD of the inlet is the same size.
    O snap ok never knew, thanks dude. Always thought it was as when ever you want to buy a tip they ask what engine code do you have

    My rides thread : http://www.audi-sport.net/vb/a3-s3-f...t-journey.html

    Quote Originally Posted by Paradox1 View Post
    Healthy??? no,no,noooo

    Mine is healthy


    yours is on steriods!!!

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    Quote Originally Posted by joebickerton89 View Post
    is that 100% dont need to change it mate?
    Prawn is currently being a dick over Facebook about how he is always right and that I am wrong, so I feel the need to tell you there is a 1mm difference between the outlet sizes.

    Various forums and websites say that the O ring in the cast turbo intake pipe will squeeze up enough for it to fit, Prawn however says it won't and that a K03 TIP will not fit on K03s but a K03s TIP will fit on a K03. He is almost always right.

    Either way, if you don't put a silicone TIP on it for £50 then you're mental. Silicone TIP will work with both no issues, so get one ordered.
    I quite often say I'm going to do things.

    Then never do them.

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    a3 1.8t agu k03 modifications

    Quote Originally Posted by 16Klappe View Post
    Prawn is currently being a dick over Facebook about how he is always right and that I am wrong, so I feel the need to tell you there is a 1mm difference between the outlet sizes.

    Prawn however says it won't and that a K03 TIP will not fit on K03s but a K03s TIP will fit on a K03. He is almost always right.
    Lmao I died with that!
    Mrharris2 likes this.

    My rides thread : http://www.audi-sport.net/vb/a3-s3-f...t-journey.html

    Quote Originally Posted by Paradox1 View Post
    Healthy??? no,no,noooo

    Mine is healthy


    yours is on steriods!!!

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    haha wikid :D could someone send me some links to this tip and possible a cheap good k03s

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    I never said they wern't interchangeable, I simply stated that they were different. Which they are. it's minimal, but different.

    They ask you what engine code you have because the DV and TIP outlets are reversed from AGU to AUM/AUQ, and highly differeny again on the AYP ibiza engines, but Jardo the freaking expert didn't know that, because he didn't find it on google....
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    and yes, it's definitely a love / hate relationship here.

    I love to hate the little *******, and he hates that the fact that he loves me, and just can't help it.


    xxx
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    haha you guys are funny. any of you got any videos or links to videos of a3s with k03s 0-60 or 0-100mph videos running over 200bhp?

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    jardo has thousands, because he thought it was the fastest thing in the world

    Over to you J-rod
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    those were both taken back when I was on a st2 ko3S
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    a3 1.8t agu k03 modifications

    Hahhahahahahahhahahahahahhahahahahha fml prawn laughing so early in the morning!!!!!

    My rides thread : http://www.audi-sport.net/vb/a3-s3-f...t-journey.html

    Quote Originally Posted by Paradox1 View Post
    Healthy??? no,no,noooo

    Mine is healthy


    yours is on steriods!!!

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    a3 1.8t agu k03 modifications

    Quote Originally Posted by joebickerton89 View Post
    haha you guys are funny. any of you got any videos or links to videos of a3s with k03s 0-60 or 0-100mph videos running over 200bhp?
    I got in my rides thread from 1st to 4th and 3rd to 5th

    My rides thread : http://www.audi-sport.net/vb/a3-s3-f...t-journey.html

    Quote Originally Posted by Paradox1 View Post
    Healthy??? no,no,noooo

    Mine is healthy


    yours is on steriods!!!

  32. #31
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    Quote Originally Posted by Prawn View Post
    jardo has thousands, because he thought it was the fastest thing in the world

    Over to you J-rod

    That's not fair, I had gone to bed so had no chance to defend my honor.

    Ignore the video's Prawn posted; his turbo had a hole in it so large that if you placed a newspaper on the bulkhead you could read it through the hot side. And as such isn't a true representation of K03S POWAH.





    Not exactly the fastest thing in the world ever, but if you've never had a fast car before then you'll think a stage 2 1.8t is the most epic car known to man.
    I quite often say I'm going to do things.

    Then never do them.

  33. #32
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    a3 1.8t agu k03 modifications

    I don't know I had a 300+bph VR and I still love the k03s power. Its easy to use, reliable and gives a awsome punch when needed

    My rides thread : http://www.audi-sport.net/vb/a3-s3-f...t-journey.html

    Quote Originally Posted by Paradox1 View Post
    Healthy??? no,no,noooo

    Mine is healthy


    yours is on steriods!!!

  34. #33
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    They do make a nice quick car, a half decent k03s set-up will come in at juuussstt the right side of 200bhp/ton with a really nice power delivery, which is plenty to have a good laugh with in a FWD car. Much more and an LSD starts becoming a necessity rather than a bonus.

    Or stick the engine in an older lighter car. In theory my Scirocco with just a map on the standard k03 would have a better power/weight ratio than either of the A3's posted up there, as well as lower (faster accelerating) gearing because of the smaller wheels. Must get it weighed to see what it actually comes in at though, because I could be talking out of my arse! (I'm assuming an A3's ~1180kg and 240bhp and the Scirocco's ~920kg and 190bhp.)

    (I must admit, I think a k03s on the A3 might be a little cheaper and easier...)
    1.8 20v turbo converted '88 Scirocco - ASN Build Thread

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    Stock a3 is about 1240kg Robin, so only the very finest ko3s road cars will break 200/ton. Still make for very enjoyable cars though
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    Quote Originally Posted by 16Klappe View Post
    That's not fair, I had gone to bed so had no chance to defend my honor.

    Ignore the video's Prawn posted; his turbo had a hole in it so large that if you placed a newspaper on the bulkhead you could read it through the hot side. And as such isn't a true representation of K03S POWAH.





    Not exactly the fastest thing in the world ever, but if you've never had a fast car before then you'll think a stage 2 1.8t is the most epic car known to man.
    what power is the car running in these videos mate?

  37. #36
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    It used to be 229bhp when it worked

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    ahh okay :D whats max bhp on a k03s mate? would 250bhp be a reasonable target?

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    It is possible, but it isn't reasonable.

    It has been done, but it costs far more than a K04 would. 250bhp will require a meth kit, ported manifold, actuator, a top notch turbo as well as everything being perfect, not to mention there is only one person to have ever got these figures from a K03s; Niki at R Tech. Best bet is to stick to 230bhp on a K03s and if you want 250bhp+ then K04 is the safest and cheapest route. A K04 with a downpipe and decent filter will get you 250bhp much safr and easier than a K03s.

    You will need to take the turbo off to fit the actuator to get any more than 240bhp anyway, given that you will be doing 90% of the work anyway might as well fit a K04.

    My money is that you won't bother though, I suspect you would get a K03s on and a decent map and it will be more than enough.

    Why do you want 250bhp? Any past experience with cars which makes you think you need that figure? Or just pub numbers? My old A3 did 0 to 100 in 12.5 seconds with 230bhp ish, which is pretty quick by any standard; why would you want more for a daily driver?

    I am only going as far as I can with a K03s out of mindless pride and ignorance. I could have fitted a K04 and got far more power and a much better graph, if it is pure figures you want then don't spend a penny on the K03 setup and get saving for bigger things
    I quite often say I'm going to do things.

    Then never do them.

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    very true mate i see where your coming from and i think 230bhp would be more than enough for myself

  41. #40
    Prawn's Avatar
    My other car is a MINI!!!!

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    jardo has it summed up pretty well. 250bhp HAS been seen from a ko3S, but in truth, it's not realistic at all.

    Many people will say they want 250-260bhp, but then be blown away by a ride in a 220bhp ko3S car. the delivery from them is VERY punchy, which makes them feel quicker than they are perhaps, but they're by no means slow, and you'll definitely be smiling
    -------------------------------------------------------------------------------------------------

    Prawns TFSI Turbo'd 1.8T Track Car

    But I know nothing so ignore me.

 

 
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