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== Audi urS4 1992 with the AAN engine == ||http://www.bonnquattro.se/images/eja/bild1_400.jpg||http://www.bonnquattro.se/images/eja/aan_1.jpg|| '''My goal is for now:''' * use all original sensors * replace the MAF with a MAP * replace the original Lambda with a WideBand Bosch LSU4.2 (7200) if possible * make my own electrical loom/harness for the engine, using VAG OEM connectors and Econoseal connectors on the Vems. * Make the engine run nice and good. * make it work with COPs from 1998-2007 VAGs, 06B905115L ** Q: is that power-input ? (not logiclevel) ? ** A: they are logic-level, 5v (not sure if its postive (+) though) ** Guide for conversion from original POS/coil to COP here: ** http://www.bonnquattro.se/aan/18tCoilPackConversionInstructions.pdf '''Next goal:''' * switch exhaust header * another turbo * larger injectors * another WasteGate * switchable fuel maps ---------------- '''What I know:''' * I will buy the assembled vems with econoseal connectors * I need 5 logic outputs for the ignition, would like a 3+5 version * The extra flyback 30v diode seems like a good choice * I will buy a wideband lambda * I will buy a EGT sensor * I want the LED (4x20?) * I want a special lambda display * EGT and knock sensors(would like to use the stock knock sensors) * onboard MAP sensor 400 kpa * I will buy some econoseal connectors 18+36 * Primary trigger Is VR * Secondary trigger would be "audi trigger" '''What I dont know:''' Q: Shall I order 2+6 version, what can I use the 2 high current outputs for ? A: Lots of things. Relay, solenoid, NOS, ... Q: How about firmware and sensors, do I need to compile something myself ? A: no need to compile anything. See VemsTune Q: I suppose I should choose PS2 connector as well A: useful eg. for wheel-speed input (but we can connect PS2 clock signal to an unused pin as well -------------------- ''' VEMS info ''' (I have bought a VEMS that came with this info:) Board_version=v3.3 Serial_nr= 2267 pump-= 4.05V wbo2_pump_pw_zero=0x64 wbo2_nernstdc_target=0x87 pump+= -1.0mV/200 Ohm AREF=4.9V (C103=1nF, no D100) --------------------- ''' Other project info ''' I have bought a engine loom from a -02 VW passat that will fit the COPs. Purchased a used WBO Bosch LSU 4.2 7090/91 as per below. Will start making the new COP work with the OEM ECU to begin with. --------------------- Time frame: 2016-01-18 I have begun installing this now. I will make an adapter cable to fit the Motronic 55 connector at first. When I have it all working I will make a new wireloom. Maybe I will wait until nex engine takes it place in the car. I started out connecting the Vems on bench to my PC so I could update FW. It turned out I needed to "lock" the CPU with direct programming. It worked nice but now I cannot update bootloader further because of "access denied". I have contacted vems and is waiting for an answer on that. I want to have latest fw before I begin. I have also put together a cable for the LCD display. --------------------- ''' Questions '''
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