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Stuff you need to know and what your limits are Engine characteristics # of clynders * 4 clyn no restrictions * 5 clyn special see AudiPage * 6 clyn some restrictions * 8 clyn none * 2 or 4 stroke * Bore (reqfuel, knock) * Stroke (reqfuel, knock) * Goal HP (reqfuel, knock, VE table) Type of trigger * Coiltype ** IGN: limited to using existing distributor ** INJ: Sequential or bank * Multi-tooth ** Crankshaft only (primary) *** IGN: Distributor or wasted spark (5clyn see audipage) *** INJ: Sequential or bank ** Camshaft only (Primary) ** Note: belt driven camshafts have some uncertainty with RPM *** IGN: Distributor, wasted spark, or sequential (5clyn see audipage) *** INJ: Sequential or bank ** Crankshaft (primary) and Camshaft TDC indicator (secondary) *** IGN: Distributor, wasted spark, or sequential (5clyn see audipage) *** INJ: Sequential or bank Coolant Temp Sensor * NTC or PTC and what the resistance is at 25degrees Celsius Intake Air Temp (IAT) aka Manifold Air Temp (MAT) Sensor * NTC or PTC and what the resistance is at 25degrees Celsius * Is it an exposed or potted sensor Oxygen Sensor * WBO2 highly recommeded (BOSCH LSU4 can be had for < 40USD) * NBO2 output for external display Knock Sensor * 1 or 2 channels EGT * K-type thermocouple non-grounded see webshop Electrically controlled accessories * Fuel Pump * Coolant Fan (hysterisis from coolant sensor) * Electric Water pump (hysterisis from coolant sensor) Fuel Injectors * Low Impedance (LowZ) or High Impedance (HighZ) * cc/min or lb/hr (reqfuel calculations) Throttle Position Sensor * Typically varible resistor style ( TPS calibration) * one user has made a combination MAP/Limit switch based version wikipage Boost or Naturally Aspirated Boost * Boost controller type (mechanical, pnuematic, electric/pnuematic) * Boost vs. TPS, RPM, MAP control * Max boost (MAP sensor, kpafac) Naturally aspirated * Standard throttle body ( MAP kpafac) * Individual Throttle body (MAP / Alpha-N blending (TPS based fueling) ) Idle Control * On/off style air bypass * PWM sytle air bypass * Ignition based idle control * Ignition cut based idle control Basic accessories * Fuel pump control * Coolant Fan control (Hysterisis based on clt sensor output) * Electric water pump control (Hysterisis based on clt sensor output) Rev Limiters Tachometer output Race Inspired Features * WOT (1x) accessory activation * RPM (1x) accessory activation * TPS+RPM+MAP (2x) (misc output settings) accessory activation * AntiLagSystem special turbo feature that mayblowupyourengine * shift cut * RPM based Launch control (ALS hooked in) |