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Summary of change:
'''Overview''' 2.6 litre ADV I5 in my VW Microbus Syncro ceased due to oil starvation. I am now rebuilding a second hand AFU (2.3l 10V) and want a modern ECU with knock sensors and lambda control, hence this project site. * Engine: Audi (VW SA) AFU 2.3 litre I5 with Motronic 1.5.4 ECU. * Goal of rebuild: I want to re-build the engine with low-end torque in mind and max power around 4500 - 5000 rpm. Normal cruising speed at around 4000 rpm. . ---- '''Engine Build''' * Block (measurements) * Crank (measurements) * Pistons (measurements) * Conrods (measurements) * Oil Pump * Head (measurements) ** Porting or not? ** Port matching opinions? ** Camshaft timing for torque @ ~3000 rpm ** Inlet Manifold options? Flowing, smoothing, coatings? ** Exhaust manifold options? Flowing, smoothing, coatings? * Balancing opinions? . ---- . '''*VEMS Info*''' ---- '''Input Sensors''' ---- ** 60-2 Hall on rear main crank seal. ** 2x Knock sensors. ** 1 x WBO2 (Wide Band Oxygen) sensor. ** 1x EGT (Exhaust Gas Temp). ** Cam Sync - Dissy or Cam sprocket sensor? No fitment points on head though. ** MAF (Mass Air Flow) in place of MAP or both? - PN: ** MAP (Manifold Absolute Pressure) sensor - PN: ** Oil temp - PN: ** Oil pressure - PN: ** IAT (Inlet Air Temp) - PN: ** Coolant Temp - PN: ** Throttle potentiometer Part of throttle unit VAG PN: 1HS 133 064 ** A/C Control e.g. A/C demand and output control with idle pre-adjustment? . ---- '''Outputs''' ---- * '''Ignition:''' ** Intend using '''active COP Coils''' with mounting holes to enable mounting on custom made bracket. Controller option for coils therefore 0 IGBT + 8 logic-level outputs . * '''Injectors''' ** Weber/Marelli IWP025 200cc/min. May need to go a bit bigger if engine HW optimizations contribute to efficiency. . * '''Idle control:''' Part of throttle unit VAG PN: 1HS 133 064
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