MembersPage/Sascha/Porsche/Trigger (2008-06-30 17:07:20)
MembersPage/Sascha/PorscheMembersPage/Sascha/Porsche/TriggerMembersPage/Sascha

Was having trigger issues with this car.

I seemed to be able to get a good RPM signal sometimes, around 220-260, sometimes it looses the signal (I'll see 0 RPM in MT)... but even when I get a good rpm signal (constant RPM reading in MT) I don't get a spark output or at the most a very random spark output from IGN out 00...

  • Wasn't aware of that, thanks for the info!

60-2 wheel and sensor fitted from an Electromotive trigger kit. And was setup as specified from Electromotive's manual to have TDC on the 11th tooth BEFORE the missing teeth.

60-2electromotive.jpg

It might also be the crank pulley that is causing interference?? The trigger wheel is 6", while i think the crank pulley is 5.5" and is right up against the trigger wheel.

  • 6mm is more than enough if the crank pulley is lathe shape. If it has bolts, that can cause "ghost" pulses.

Pictures of the said trigger wheel and sensor:

IMAGE_117.jpg

IMAGE_122.jpg

**Primary trigger settings (Running Firmware 1.0.73.):

  • Edge: Rising
  • Type: Multitooth
  • All filtering, special trigger types is set to: Disabled
  • TDC after the trigger (deg): 60
  • Number of teeth on the wheel: 58
  • Trigger tooth: 1
  • Next trigger tooth: 15
  • Crank min. period (usec): 1760 (7500rpm limit - 1000rpm safety)
  • Angular width of tooth: 2
  • Angular width of missing tooth: 6