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Planning VEMS 3.3 for turbocharging BMW M50B25 engine in an BMW E36. Lives in Sweden Gothenburg. http://83.227.224.152/bmwturbo/1.jpg http://83.227.224.152/bmwturbo/59.jpg '''M50b25''' *2500cc *6-cyl *24valve *Vanos removed *Firing order: 2-4-1-5-3-6 *Wasted spark *Hp goal ~400hp@1bar '''Enigne Spec:''' *M50b25 without vanos *Je Forged Pistons Compression 8,1:0 *MLS headgaskset 1,8mm *ARP headstuds *500cc injector high-z *Preicison Turbo SC-44 *Tial 38mm wastegate *50mm PPF blow-off. *600x300x75mm intercooler *Sachs heavy pressureplate 240mm *Organic disc 550nm *Walbro 255l/h fuelpump *Primary trigger: VR *Cam Trigger: VR --- '''Ignition trouble''' The problem was observed today when I was checking the timing. I had only strobed the timing on the starter before, but today i strobed it on idle. Firmware: 1.0.36 and also 1.0.23 was tried with the same result. I'm using dualout and highboost. The actually timing is totally of the timing value set in MT. I also checked if had ant trigger errors on lcd page 2, but didn't. Result with trigger tooth=4 and TDC after trigger=61 *Timing in MT | Actual timing *0 - 0 *17 - 36 Result with trigger tooth=5 and TDC after trigger=64 *Timing in MT | Actual timing *10 - 3 *17 - 17 *25 - 32 This test was on idle @1000rpm +-/40, @45KPa. The timing fluctate +-1 degree. Would appreciate if someone could help me with this weird problem. '''Andreas, as soon as I woke up I remembered that you rune false waste fire ignition with COP coils. The timing light you are using assumes that you have 720 degrees between each spark and as you only have 360 degrees between each spark you will have to divide the advance number in the timing lights display by two to get the right value. This means that your initial trigger settings was correct. -Jörgen''' *msq - http://83.227.224.152/bmwturbo/andreast.msq *config - http://83.227.224.152/bmwturbo/config.txt *tables - http://83.227.224.152/bmwturbo/tables.txt --- Pin out: ||'''Function''' || '''EconoSeal pin''' || || Sensor power 5V || 36-28 || || Sensor ground || 36-26 || || Power ground || 36-5 || || Power ground || 36-21 || || Power ground || 36-22 || || Power ground || 36-32 || || Flyback || 36-23 || || injector 1 || 36-7 (Injector A) || || injector 2 || 36-19 (Injector B) || || injector 3 || 36-8 (Injector C) || || injector 4 || 36-20 (Injector D) || || injector 5 || 36-9 (Injector E) || || injector 6 || 36-18 (Injector F) || || CLT || 36-14 (CLT Coolant Temp) || || IAT || 36-2 (Intake Air Temp) || || TPS || 36-1 (TPS signal) || || TPS 5v || 36-28 (TPS +5v) || || IAC || ? || || Crank position sensor (vr) || 36-27 || || Cam position sensor (vr) || 18-13 || || knock signal A || EC18-2 || || knock signal B || EC18-3 || || coil1 || 36-35 (Coil #1) || || coil2 || 36-33 (Coil #2) || || coil3 || 36-34 (Coil #3) || || coil4 || 36-11 (Coil #4) || || coil5 || 36-24 (Coil #5) || || coil6 || 36-10 (Coil #6) || || Fuel Pump Relay || 36-15 || || nernst_cell || 18-13 || || heater - || 18-18 || || pump - || 18-7 || || pump + || 18-9 ||
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