looking good, and makes a change to see someone building there stuff rather than just buying.
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Update: now the car runs on VEMS. I made extra output from 3B loom to VEMS and now there are two connectors, standard VEMS and motronic. It´s made so because I have right now distributor but I am going someday install change it, so VEMS motronic was out of the question. The ecu is version 3.6, FW 1.1.81 and it has pretty much everithing that vems offers, 8 ignition channels, 2 knock channels, EGT, internal SD card etc.
Also on sunday there was a local audiclub dragrace where I was also driving. My last best was with jetfuel 12,8, now I got with regular fuel 12,6 (everithing inside engine is still stock, also stock K24 turbo).
I already have new engine what I am going to build a "little" stronger
but right now I am waiting for a winter... because also I have V8 rear torsen diff what needs installing 
Last edited by ranz; 7 September 2010, 08:04.Comment
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About the ignition system. I specially ordered from 034 motorsport new igniton coil (LINK) what they advertice as replaysment part to 3B ignition... DO NOT USE IT
It may be a perfect coil for non distributor engines, but 3B guys...DO NOT BUY IT
Because, I tryed many many configurations (VEMS and 1.1.81FW) but it failed @ 1BAR boost (and I tried a lot houers)
I Installed back the original 3B coil and I run wiht that so far
(over 1000km and 1/4 mile @ time 12,6 and the turbo "lives" 1,5BAR @4700RPM )
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Nice project! Good to see another 3B with VEMS. I'm also running standard ignition atm (1,6Bar/RS2 turbo) works good for me. Will upgrade later, have a MSD coil + amp. ready..Leif-Helge
-91 S2 VEMS and Comp Turbo
-12 B** 530XD Touring "S2 parts transporter, and daily driver"Comment
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Because the winter came, the rear diff swap had to be made, now the V8 torsen diff is installed and is´t more fun to drive then ever before
Also there where some problems with cold starts (around 0C), the car started, but stalled after 10 seconds, started it again and everything was fine. Now is the problem solved, just had to change one number @ vems
The second problem after that, even colder days, was that car started and stalled afer a second, started again and all was fine... I´m still working on that, have to wait a lot of time before I can test made changes because the engine needs to be very very cold for that.
Also hade some problems with catching IDLE correctly when the revs dropped down, it dropped even to 500 and after that catched the wanted 850RPM. That was also solved only changing one number on the vems
Few weeks ago the car was @ dyno session, tested some settings and here are the results:
170KW and 375NM from the wheels (with 15% losses, it should be 200KW/270Hp and 441NM from engine (the setup is same as before, original turbo, 3B ignition etc.)
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