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    Thread: Starting on my 16vT/ABA

    1. Member Moshua's Avatar
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      08-26-2012 04:30 AM #1
      These are the items i have at the moment and looking to get some direction/guidance from those that have done it before. This is my first real motor build. 1997 VW Cabrio manual 2.0 w/ABA is what is currently in the car.

      I'm going for a High Boost Build Built to last and take my abuse.

      These are the parts i have collected so far:

      Engine & Internals

      ARP head studs
      2.0L 16v fully assembled head.
      Early OBD1 block with forged crank and oil squirters
      Oil Pan with Oil return bung (sloppily welded from PO)
      Oil Windage Tray
      Stock OBD2 ABA Pistons (6x) and Rods (may look into getting these shot peened, was there a forged ABA pistons/rod?)
      A few spare ABA pistons OBD2
      ABA Head gasket

      Intake & Exhaust-

      16v Scirocco Intake manifold, upper and lower
      2.5" Autotech SS exhaust with Cat delete/ res and Magnaflow muffler

      Belts & Pulleys-

      Milled ABA Crank Pulley for correct fitment for 16v application
      16v ABF intermediate shaft

      Fuel & Spark-
      I'm still not sure exactly what i need on this but i think i may go with the
      1.8t Fuel Rail
      42# injectors
      Chipped ecu with c2 software if they have an application for my specific build i can tune? or
      Megasquirt (i don't know much about this but seems popular for the standalones)

      Accessories/Misc
      I will be keeping AC and all my mk3 Accesories from the motor i'm pulling out hopefully.
      MK3 Tesioner Bracket
      MK3 Alternator
      ABA Crank Pulley





      Car motor will be going into.



      So am i going in the right direction. What are some key items i am missing? I have a stock 1.8t Mk4 smic i will be using for intercooling for now. I hope to reach numbers somewhere in the 250-300 whp range. Motor will be tied to a mk4 1.8t trans if plans work out accordingly. Thanks for any help i'll be very appreciative of any constructive/destructive criticism.
      Last edited by Moshua; 08-27-2012 at 08:57 AM.

    2. Member
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      08-26-2012 10:31 PM #2
      Nice build. As far pistons. Use early OBD-1 pistons, they are fully dish, don't use the later ones with squish area. Dish has less of tapping the valves with 16v setup at higher rpm The other route is rebush the rods to fit 2.0 16v pistons. 8v dish pistons will yield around 8.5 cr, and rebush 16v pistons will yield 9:3 cr. Use aba head gasket bc it's all metal. You should use 16v intermite shaft with 16v oil pump setup. Less hassle buying and modify stuff there. You might need bigger injectors if trying reach 300whp. More like 42# injectors. Nice build again.

    3. Member Moshua's Avatar
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      08-27-2012 08:57 AM #3
      Yup 42# injectors is what I mean to say.

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      08-27-2012 12:55 PM #4
      use a 1.8t timing belt from the aeb passat

    5. 08-27-2012 01:37 PM #5
      if you're looking for easy engine management, this is for sale on my local forum. I ran this on my ABA-T, 16V ABA-T, and 1.8T swapped MK2's, and it worked awesome.

      http://clubveedub.com/forums/viewtop...38331ace117682

      this is everything you need for a turnkey build, and it is half price. If i had a project, i would buy it.

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      08-27-2012 06:15 PM #6
      standalones great just might run into issues if your looking to pass emmisions (don't know if you have them or not)

    7. Member Moshua's Avatar
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      08-28-2012 11:29 PM #7
      Am I going to run into any issues with having an obd1 block and possibly running on obd2 ecu?

      Also if you guys have any of the smaller pieces I'm missing please feel free to shoot me a message and I'll help you clean your garages out

      Sent from my HTC One X using Tapatalk 2

    8. Member Moshua's Avatar
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      08-28-2012 11:30 PM #8
      Quote Originally Posted by scoomscoom View Post
      standalones great just might run into issues if your looking to pass emmisions (don't know if you have them or not)
      No emission in Cincinnati so I'm good there. I'll be catless too so I'm glad we dont

      Sent from my HTC One X using Tapatalk 2

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      08-29-2012 01:35 PM #9
      blocks are the same no issue there

    10. Member Moshua's Avatar
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      08-31-2012 01:36 AM #10
      Is wasted spark ignition a waste? I've been discussing management with a few friends and I'm trying to figure out the best system for running coil on plug and coilpack systems. I'm new to all this so please bear with me. Wouldn't an ignition system operate more optimally if you are only firing spark at correct timing of each cylinder rather than wasting power on a dead cylinder

      Sent from my HTC One X using Tapatalk 2

    11. Member Prof315's Avatar
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      08-31-2012 06:39 AM #11
      Quote Originally Posted by Moshua View Post
      Is wasted spark ignition a waste? I've been discussing management with a few friends and I'm trying to figure out the best system for running coil on plug and coilpack systems. I'm new to all this so please bear with me. Wouldn't an ignition system operate more optimally if you are only firing spark at correct timing of each cylinder rather than wasting power on a dead cylinder

      Sent from my HTC One X using Tapatalk 2
      Coilpack IS wasted spark. And while waste spark systems are not quite as efficient as coil per cylinder systems they blow the doors off a distributor ignition. Megasquirt can be configured to run just about ANY ignition and an MS3/3X is plug and play with GM LS coils which produce more spark energy than anything else that is readily available. Do keep in mind that for true sequential coil per cylinder you'll need a cam signal as well as a crank signal. Again this is all very doable with a Megasquirt 2 or Megasquirt 3 (easiest with the MS3).
      The Professor
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    12. Member Moshua's Avatar
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      09-08-2012 09:50 PM #12
      Found these Audi r8 coilpacks for $16 I'm going to use. Which means I may need to modify my intake a bit so that I can have an open valve cover. Possibly modify a 1.8t intake or purchase a short runner designed for 16v head



      Sent from my HTC One X using Tapatalk 2

    13. 09-18-2012 08:38 AM #13
      i have 2 sets of the early aba pistons and 1 extra sets of 9a pistons.ill give them to you if youneed them just pay shipping.i believe that theaba pistons need machining to clear the intake valves in a 16v application.

    14. Member Moshua's Avatar
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      10-05-2012 05:46 PM #14
      Quote Originally Posted by slorydgti View Post
      i have 2 sets of the early aba pistons and 1 extra sets of 9a pistons.ill give them to you if youneed them just pay shipping.i believe that theaba pistons need machining to clear the intake valves in a 16v application.
      Thanks again man, this guy made good on his word



      soon as i get some of my gaskets and other smaller items in order i will be able to begin assembly

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      10-05-2012 08:46 PM #15
      Early assembly is fun its the final pieces that drive you insane. I finished mine about a week ago and i love it

    16. Member
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      10-05-2012 08:48 PM #16
      Btw im running the c2 stage 2 chip and it works spot on

    17. 10-06-2012 09:37 AM #17
      Quote Originally Posted by scoomscoom View Post
      use a 1.8t timing belt from the aeb passat
      this will fit an aba with a 16v head.with stock 16v timing pulleys?

    18. Member Moshua's Avatar
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      10-06-2012 05:20 PM #18
      Quote Originally Posted by scoomscoom View Post
      Early assembly is fun its the final pieces that drive you insane. I finished mine about a week ago and i love it
      Yeah I'd like to get everything all painted and looking good before the motor all comes together. Aka polish accessories and get some items polished





      Quote Originally Posted by scoomscoom View Post
      Btw im running the c2 stage 2 chip and it works spot on

      I've heard good and bad




      Quote Originally Posted by slorydgti View Post
      this will fit an aba with a 16v head.with stock 16v timing pulleys?
      I'm not sure I know some 1.8t timing belt works. Not sure on the specifics. I have a modified ABA pulley that was milled down

      Sent from my HTC One X using Tapatalk 2

    19. 10-06-2012 06:04 PM #19
      im going to do some research on this.bbm sells a speciel belt for the abf engine for like 100 bucks but a 1.8t belt is much less.

    20. Member Moshua's Avatar
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      10-06-2012 07:35 PM #20
      Quote Originally Posted by slorydgti View Post
      im going to do some research on this.bbm sells a speciel belt for the abf engine for like 100 bucks but a 1.8t belt is much less.
      i want to say its a 1.8t 150tooth belt. it all depends on what accessories you are using. i plan on keeping Air Conditioning

    21. 10-06-2012 08:10 PM #21
      in your first post you mentioned fuel rail.i would suggest the transverse 1.8t rail not the passat/audi rail because of where the lines come in.im using the passat one because it was free but its not ideal.

    22. 10-06-2012 09:34 PM #22
      the 1.8t timing belt has 150 teeth.the abf is a aba 16v in europe.thats basicly what we are doing.it has 151 teeth.so if you run an adjustable timing pulley or run the car slightly retarded it will work but ive found places that sell the abf belt for alot less so id go with the correct belt.

    23. 10-06-2012 09:38 PM #23
      if you are using a stock intake i had a sweet adapter made to run a obd2 vr6 throttle body when my intention were to build an abf.now ive built my own short runner intake so i dont need it.

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      10-06-2012 11:36 PM #24
      i have a 16v crank gear, tt cam gear, and the bahn brenner intermediate gear, i used the aeb belt from i believe a 99 i thought it was 151 tooth maybe it was 150 but it was tight to slide on but fits snugly after a couple rotations, almost 1k miles this week and no issues

    25. Member chilledOUTmk1's Avatar
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      10-09-2012 08:43 PM #25
      Can anyone verify needing to clearance ABA pistons to clear the valves?

    26. 10-10-2012 09:57 AM #26
      i checked mine by putting the head on the block with a hea gasket but no bolts and it hit with at least 1/8 inch gap between the head and block when the piston was at the top.a head spacer will help.

    27. 10-10-2012 09:58 AM #27
      ive decided to use 9a pistons and just switch the wrist pin bushings in the aba rods for 16v ones.

    28. Member
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      10-10-2012 11:35 AM #28
      i think a head spacer with aba pistons will be to low compression. i went with je pistons from integrated

    29. Member chilledOUTmk1's Avatar
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      10-10-2012 03:22 PM #29
      Quote Originally Posted by slorydgti View Post
      i checked mine by putting the head on the block with a hea gasket but no bolts and it hit with at least 1/8 inch gap between the head and block when the piston was at the top.a head spacer will help.
      Did you have everything timed? I never heard anyone needing to make any changes to the ABA pistons to clear the valves..

    30. Member red16vdub's Avatar
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      10-10-2012 03:47 PM #30
      X2. ???

      bajan 4g
      • ANYTHING UNATEMPTED REMAINS IMPOSSIBLE

      scIROCco 16v /A6 quattro sport / Mk4 TDI JSW 5spd / Volkshore/ Dutty Dub

    31. 10-10-2012 04:46 PM #31
      this is for a 16v head

    32. Member
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      10-10-2012 04:48 PM #32
      are you using an adjustable cam gear?

    33. Member
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      10-10-2012 04:49 PM #33

    34. Member Moshua's Avatar
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      10-10-2012 11:00 PM #34
      Quote Originally Posted by scoomscoom View Post
      are you using an adjustable cam gear?
      I'm not sure if i need one yet. i have the 16v cam gear that was on the head and a modified aba crank pulley so things should line up alright but we shall see if i can get it timed correctly.

      Also I NEED some verification whether i will need to make valve reliefs in the early obd1 ABA pistons?

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      10-11-2012 07:16 AM #35
      You should for a peace of mind but some people just slap them on. I would highly recomend reliefs if your boosting.

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