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13b Firing order

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Old Feb 28, 2012 | 07:46 PM
  #1  
ryanvx's Avatar
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From: Burlington, WA
WA 13b Firing order

86' FC3S RX7 -
Just want to make sure; the rotor closest to the radiator is L1/lower plug and
T1/ upper plug correct? and the rotor behind it L2/ lower plug and T2/ upper plug?

-Haynes manual has a 1/2 boxes for firing order (unspecific to engine orientation)
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Old Feb 28, 2012 | 09:47 PM
  #2  
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From: Bothell, WA
You got it.
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Old Feb 29, 2012 | 03:18 AM
  #3  
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From: Dot Island
Originally Posted by ryanvx
86' FC3S RX7 -
Just want to make sure; the rotor closest to the radiator is L1/lower plug and
T1/ upper plug correct? and the rotor behind it L2/ lower plug and T2/ upper plug?

-Haynes manual has a 1/2 boxes for firing order (unspecific to engine orientation)
yea i think thats right, My firing order is 1 2 1 2 1 2 Brap brap
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Old Feb 29, 2012 | 09:16 AM
  #4  
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From: Renton/Bellevue/Seattle WA
Actually FC leading ignition is wasted spark, so they are both firing at the same time, all the time.

(L1+L2) T1, (L1+L2) T2, (L1+L2) T1, (L1+L2) T2, ....

Technically, you could have the leading wires backwards and it would not matter. It always made me twitch knowing that my leading was always sending a rogue spark right before or as the apex seal went over it. :P

~Tweak
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Old Mar 1, 2012 | 06:23 PM
  #5  
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From: Burlington, WA
WA Re:

Yah... so they were hooked up completely backwards assuming that the rear rotor(closest to fire wall) is "1" (L1/L2) instead of being "2" (L1/L2).

It ran and drove, but at 60mph it flat lined, and hesitated alot after 55mph especially in 4th and 5th gear. Thanks for your help.
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