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We are rebuilding Porsche cariera 911, year 1991, NA 3.6 air cooled motor (H6), fuel - methanol, ITBs, injectors. Any info about trigger is highly appreciated. '''Primary trigger''' * VR or HALL ??? * pattern ? '''Secondary trigger''' * VR or HALL ??? * pattern ? On-site measurement is very easy and recommended in any case. If you find 2 pins that show same resistance (usually between 300..1400 Ohm ; take note of actual reading) in both directions, that is VR sensor. Otherwise HALL. ---- We like to equip it with Vems engine management: * 2x WO2 sensors * 6 x EGT sensors * I-button * SD-logger '''Basic sensors:''' * MAP sensor * IAT sensor * TPS * cylinder head temeperature (instead of coolant temp) ** lower than 150C right ? * oil temperature '''extra analog inputs:''' * presure * oil fan switch * crank & cam sensors * fuel pressure * fuel pump switch ---- '''ITB - idle air''' Are you feeding '''controlled idle air''' * with 1 PWM solenoid valve via 6 small tubes ? ** measured resistance= ... ??? * or 1 actuator acting on the ITB-shaft (or stop-point) ? ** or 2 actuators ? (if so, this solution requires the most care and attention) * or 0 actuator, relying only on mechanical stops / screws ? ---- [http://www.vems.hu/wiki/index.php?action=find&find=porsche local search for Porsche] - Peep himself installed more than 20 Porsches (but maybe not this type), and perhaps someone else knows even better. The preparation (finding out VR/HALL) is the easier part; do some measurements, searching, and hang around ChatViaIrc
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