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  • 1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk-
  • Fox 5.0 Mustang Tech

msd tach output

  • Thread starter Thread starter luckythirteen13
  • Start date Start date Dec 21, 2005
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luckythirteen13

New Member
Jul 19, 2005
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Anaheim, CA
Dec 21, 2005
#1
  • Dec 21, 2005
  • #1
trying to hook up me wide band to record rpms as well. i have it hooked to the tach output on the 6al but i dont know how many pulses it makes. heres my options in the set up menu
1. Ignition pulses (one pulse per ignition event)
2. pulses per crank rotation ----if this one, how many?
3. pulses per cam rotation-----if this one, how many?
both msd and innovate are closed so i cant call either of their tech lines
 

5.0Droptop

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Dec 21, 2005
#2
  • Dec 21, 2005
  • #2
luckythirteen13 said:
trying to hook up me wide band to record rpms as well. i have it hooked to the tach output on the 6al but i dont know how many pulses it makes. heres my options in the set up menu
1. Ignition pulses (one pulse per ignition event)
2. pulses per crank rotation ----if this one, how many?
3. pulses per cam rotation-----if this one, how many?
both msd and innovate are closed so i cant call either of their tech lines
Click to expand...

It has to be #1 because the 5.0 has no cam or crank position sensors therefore there is no way for the msd box to know this info. and even if it did the msd box is only connected to the coil feed positive and negative.
 
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