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Summary of change:
I am trying to specify a pnp system for my 1989 Porsche 964 Carrera 4 ---- The car as it is 25/06/2014 '''Mechanical''' *3.6L *6 cylinder *Upgraded "cup" cam of unknown lift and duration *Decat pipe *Permanent 4WD with centre and rear active differentials '''Management''' *55pin Motronic *Twin spark *Twin distributor *Twin coil (not coilpack or cop) *Standard ~230cc high impedance injectors *2 wire style Bosch ISV *Intake "resonance flap", vacuum actuator, electrically activated '''Sensors''' *VR crank trigger on flywheel 60-2 *Hall sensor in distributor(?) *4WD wheel sensor on rear diff, Hall (?) *2x ABS wheel sensors *Cylinder head temperature sensor *2 knock sensors *Narrowband O2 is fitted to most models, but this car had a factory option selected to remove this *Standard AFM (Flap style, includes AIT) *Standard idle and wot switch (no analog TPS) ---- '''PLAN''' *To begin with I will keep the twin coils and distributors *Remove AFM and add a separate MAT. *Add wideband 02 *Convert to Speed Density (MAP) operation *Test idle and review if AplhaN+Map compensation would be better *I will fit an analog TPS ---- '''References''' pin out here MembersPage/PeepPaadam/PorscheCarreraTwo further information (some for 993 specifically) MembersPage/PeepPaadam/PorscheCarrera
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