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    Thread: Porting AEB Head

    1. Junior Member
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      12-07-2010 04:13 PM #1
      Hi guys. can some one advice me about porting an aeb head. if some one have photos will be great.

    2. Moderator groggory's Avatar
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      12-07-2010 05:33 PM #2
      Porting, or port matching?
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    3. Member iae21's Avatar
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      12-07-2010 05:59 PM #3
      Quote Originally Posted by groggory View Post
      Porting, or port matching?
      I'm assuming he is referring to ONLY porting the head itself. The AEB intake opening is bigger than an AWW/AWP head.

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      12-07-2010 06:17 PM #4
      yes im talking about porting the inlet and the exhaust ports

    5. Moderator groggory's Avatar
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      12-07-2010 07:38 PM #5
      Quote Originally Posted by glanzav133 View Post
      yes im talking about porting the inlet and the exhaust ports
      Ok, so not just port matching...you want to port them bigger. Got it.

      I wouldn't do it. Just run a gasket matched AEB with a good intake manifold and big throttle body and big injectors on good software with big turbo and big intercooler and big external wastegate with strong rods and balanced crank assembly and fluidampr.
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      12-07-2010 08:06 PM #6
      ^this. A solid, high flow engine can only get better. Not doing a proper job can also hurt flow+velocity, though that's a can of worms I don't want to open. In the end, an AEB and SEM will flow plenty
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      12-07-2010 08:47 PM #7
      and there are lots of high WHP cars running on AEB NON PORTED HEADS! Joel, Frankie (was), myself among them. and these are 700+ whp, 900+ whp, 600+ AWHP as well....

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      12-07-2010 09:14 PM #8
      i would stick with the factory ports.

    9. Member Issam Abed's Avatar
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      12-08-2010 02:05 AM #9
      Quote Originally Posted by glanzav133 View Post
      Hi guys. can some one advice me about porting an aeb head. if some one have photos will be great.
      What advice would you like?
      I have data which I need to post from our CNC'ed Cylinder head program

      FLOW #'s For:
      AEB Big Port
      AEB Big Port - CNC Ported
      AWP Small Port - CNC Ported to Big port opening
      AWP Small Port - CNC Ported

      Alot of people will find the results very interesting. Unless you are gun hoeing for 700+hp , the small port head is NOT a bad option.

    10. 12-08-2010 02:40 AM #10
      Quote Originally Posted by Issam Abed View Post
      What advice would you like?
      I have data which I need to post from our CNC'ed Cylinder head program

      FLOW #'s For:
      AEB Big Port
      AEB Big Port - CNC Ported
      AWP Small Port - CNC Ported to Big port opening
      AWP Small Port - CNC Ported

      Alot of people will find the results very interesting. Unless you are gun hoeing for 700+hp , the small port head is NOT a bad option.

      well share then !!! lol jk and thanks again for finding me a sem mani.. and yes in some cases a awp will be better choice for some builds

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      12-08-2010 03:21 AM #11
      yes i have the AEB head from an AUDI A4, my problem is that in MALTA thers only one cnc and i dont now if they make cylinder heads, and if im right i need a sort of program or sizes on with the cnc wil work?.... and thank you very much for the help that all of you are giving me thanks.

    12. Member TooLFan46n2's Avatar
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      12-08-2010 08:09 AM #12
      Quote Originally Posted by Issam Abed View Post
      What advice would you like?
      I have data which I need to post from our CNC'ed Cylinder head program

      FLOW #'s For:
      AEB Big Port
      AEB Big Port - CNC Ported
      AWP Small Port - CNC Ported to Big port opening
      AWP Small Port - CNC Ported

      Alot of people will find the results very interesting. Unless you are gun hoeing for 700+hp , the small port head is NOT a bad option.
      Please share would really be interested to see your findings. I was going to do a after dyno once I get the AEB installed. I couldn't believe the amount of material that was required to port match and taper my small port intake manifold to the AEB head.

      Last edited by TooLFan46n2; 12-08-2010 at 09:02 AM.
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      12-08-2010 09:59 AM #13
      hi, thanks for you interest, on my project im working in a difirent way when i bouth the aeb head i told him to send me an audi a4 inlet so i can make a costom one i think will be better,and from RMR i can buy the parts for the inlet..

    14. Member velocity196's Avatar
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      12-08-2010 10:54 AM #14
      I ported my head. Just did a gasket match and took it all the way down. At a minimum I'd smooth out all the nasty spots in the casting. And then I polished the exhaust after gasket matching that with 4 or 500 and then 1000 lol. Also polished the dome but not as good as donr's. Lol dons is fuc&in mirror haha. It's not cnc'ed but I didn't have funds for that. I got 4 mouths to feed and a house to pay for before car money.
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    15. Member schwartzmagic's Avatar
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      12-08-2010 11:01 AM #15
      Quote Originally Posted by velocity196 View Post
      I got 4 mouths to feed and a house to pay for before car money.


      I've got 4 mouths (wife, 2 girls and me) also and an unemployed wife w a 08 t-reg lease.... No car money until the wife gets a job. Thanks ****ty economy....


    16. Member velocity196's Avatar
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      12-08-2010 12:21 PM #16
      Quote Originally Posted by schwartzmagic View Post


      I've got 4 mouths (wife, 2 girls and me) also and an unemployed wife w a 08 t-reg lease.... No car money until the wife gets a job. Thanks ****ty economy....

      Def not good time to be not working. But my lady is a stay at home mom. Child care is more expensive than it's worth here. I mean with no education and a near minimum wage job it doesn't pay to work for daycare and maybe get 200 bones outta it. You know what I mean .
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      12-08-2010 01:12 PM #17
      haha hi mates we are on the same boat, we have a four years old girl too and an unployed girlfrind too at the moment we are not merried, i dont now what its hapining to this world f***
      Last edited by glanzav133; 12-08-2010 at 01:22 PM.

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      12-08-2010 01:16 PM #18
      i now that whit the cnc is a perfect job but its to expensive and i now how i am made if i take care of something i can make it good

    19. 12-08-2010 01:37 PM #19
      port shape is often more important than port size .. i suggest dont concentrate on porting the head rather just work on the bowls ''area from valve guide to valve seat'' and just sharpen up the individual port webbing that divides the individual valves ...

      AEB gasket matched and bowl blended






      AWP ported to a AEB bowl blended and gasket matched




      sorry for the bad cell phone pics
      Last edited by kamahao112; 12-08-2010 at 01:40 PM.

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      12-08-2010 01:59 PM #20
      thanks a lot for the pics. it looks like you had a lot of work on it but you did a great job.
      Last edited by glanzav133; 12-08-2010 at 02:07 PM.

    21. 12-08-2010 02:11 PM #21
      Not really i can make a small port into a large port in about 3-4 hours all done ported and polished .. it helps when you have the right aluminum rotary files and drum rolls flap discs and cross brushes ... and a good pneumatic die grinder

      http://www.radiac.com/ is where i get all my porting stuff from ..

      this is also a good starting point to see what works for you http://cgi.ebay.com/ebaymotors/Stand...s#ht_535wt_941
      Last edited by kamahao112; 12-08-2010 at 02:21 PM.

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      12-08-2010 02:22 PM #22
      ... i think my its going to take me 3 to 4 months

    23. Member 20vturbslo's Avatar
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      12-08-2010 08:37 PM #23
      Quote Originally Posted by kamahao112 View Post
      ... it helps when you have the right aluminum rotary files and drum rolls flap discs and cross brushes ... and a good pneumatic die grinder.
      Exactly! I did this a few weeks ago. took my time and produced an unbelievable manifold in just 4-5 hours! Very easy, just need the right tools and knowledge.

      Not enough time in the day.

    24. Member 20vturbslo's Avatar
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      12-08-2010 08:43 PM #24
      sorry... AEB content (to stay on track)



      and I gasket port matched my head and manifold for my swap.
      Not enough time in the day.

    25. Member velocity196's Avatar
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      12-08-2010 11:27 PM #25
      My work
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      These factory ridges are just stupid
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      And not very clear but that's a polished dome as I was seating the valves.
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    26. Member velocity196's Avatar
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      12-08-2010 11:31 PM #26
      Crappy shot again but...
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    27. Member alextjoe's Avatar
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      12-08-2010 11:49 PM #27
      i dont see any harm in a good port and polish on a aeb head..although there is plenty of power to make with a stock aeb head..i would just be easier and require less boost to achieve the same power with a PRO port and polish job.

      all the power of the motor is made in the head...the more air you can flow the more power your going to make...its always been like that and always will be..

      so to some running a gt35r making 600hp or wtvr might seem useless as they are running a stock aeb head but and a amazing port and polish job on that head and you might end up making an extra 50-100 hp of course with the proper tunning to go with it.

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      12-09-2010 01:57 PM #28
      but when your porting there are some weak points in the head or a point to be careful more than other places?

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      12-09-2010 02:13 PM #29

    30. Junior Member
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      12-09-2010 02:25 PM #30
      thanks for the pic, if you have more will be great. and about that think of the vw golf mk4 i think that the only big port on the golf was the AGU and the AEB was only for the Audi A4 B5

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      12-09-2010 03:00 PM #31
      the only largeports we got in USA were the AEB found on B5 Audi A4 and Passats.....

      despite what the worlds leading foremost expert on the 1.8T engine has to say about it. (who is really just an interior designer for VW)

      ADU and ADR i think were the Euro engine codes for N/A largeport 20v motors.

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      12-09-2010 04:22 PM #32
      and we have the agu too in EU but the agu is turbo whit 150 bhp 8.5:1 comp and 20mm pins

    33. Member l88m22vette's Avatar
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      12-09-2010 07:19 PM #33
      Quote Originally Posted by Richard_Cranium View Post
      ADR i think were the Euro engine codes for N/A largeport 20v motors.
      Yep

      Last edited by l88m22vette; 12-09-2010 at 07:27 PM.
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    34. Member Issam Abed's Avatar
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      12-10-2010 01:54 PM #34
      Quote Originally Posted by glanzav133 View Post
      yes i have the AEB head from an AUDI A4, my problem is that in MALTA thers only one cnc and i dont now if they make cylinder heads, and if im right i need a sort of program or sizes on with the cnc wil work?.... and thank you very much for the help that all of you are giving me thanks.
      Not that simple. You need access to a 5-axis CNC mill and someone who knows what they are doing with respect to cylinder head porting.

      Clean up the exhaust port casting , do not open it up and on the intake gasket match the port and make it as smoothe as you can (not mirror smoothe).

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      12-11-2010 04:00 AM #35
      come on guys we need more head work pic

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