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Summary of change:
||'''1989 Porsche 944 Turbo 2.5 8V'''|| '''CONTROLS + Sensors''' *VEMS V3.3 '''Firmware 1.2.38 VemsTune 1.5.55''' *Onboard 300kPa MAP sensor *Ordered as VR trigger, converted to hall *Cherry/ZF electronics GS100102 Hall effect crank sensor, 1.5mm gap *Audi hall sensor as cam sensor *OEM clt sensor *Fuel pressure sensor *oil temp sensor *Wheelspeed from gearbox *E85/98RON Mapswitch *Analog Input Multiplexer *2x EGT onboard + 2x EGT amp *LSU 4.9 *OEM Bosch knock sensor *Pre compressor temp + pressure Bosch 0 261 230 215 *Pre IC pressure + temp Bosch 0 261 230 215, will switch for higher MAP range soon *Post IC pressure + temp (IAT) 0 261 230 215, will switch for higher MAP range soon *LCD *New engine harness utilizes OEM breakout connectors + fuses and controls OEM relais '''CAR''' *Bosch 0 280 158 040 980cc/min injectors @ 4bar (~1120cc/min) *Pierburg fuel pump 7.00228.51.0 *Bosch 0 280 160 263 4 bar fuel pressure regulator *modified flywheel with 60-2 trigger and -55% inertia compared to stock *3" from turbo with 100cpsi catalytic and modified stock muffler *piston oil squirters *100.5mm Wössner pistons *closed deck block modification *Stock RARST rods *Stock Head + NA cam *NGK BPR7E sparkplugs on E85 @ 0.5mm gap (was BPR8E on high boost + 98RON) *BorgWarner EFR7163 Twinscroll IWG with custom x-over pipe *6spd Audi TDI gearbox swap *597060 wasted spark ignition coil *Nissan Quest Alternator swap *Sachs Performance clutch '''Bugs''' AI Multiplexer CH A1: calibration mode: curve --> '''no function''' demuxed_chA1_cal-mat I think it needs to be mat-demuxed_chA1_cal can't register to vemssupport.com/forum: no email is send to my account, spam filter and all stuff is turned off '''Firmware wishlist''' *multiple custom sensor curves possible *possibility to rename AI channels *create virtual channels from several channels with basic mathematic operators (not only display them by custom expression) *delta to lambda target instead of fixed lean threshold for warning light? 2D map: difference vs rpm or 3D map: Lambda warning threshold vs MAP(or TPS for AlphaN) vs RPM
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