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  1. #1
    FEP Senior Member OX1's Avatar
    Join Date
    Feb 2009
    Location
    Jackson, NJ 08527
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    869

    Default 3 plug "yellow" Duraspark

    Trying to find an electrical schematic for one. Does anyone know if you don't hook up the 3rd plug, does it act like a "blue" duraspark?
    86 Capri, 5.0, 5Spd, A9L QH/BE, 47 lb Inj PMAS 3" MAF, Single T44 Turbo, Front Mount IC, TW170,
    Stock Cam, Explr Intake/TB, 1.7 Rockers, CF dual friction clutch, 3" DP, 2.5" full Exh, 3.27, 11.932 @ 115.78
    84 LTD, 331-10:1, TW170/Exprl Intake, 47 lbs inj/80 mm LMAF, Full Duals, Quarterhorse, Vortech 7PSI, Lentech AOD, 5 lug Mk VII brakes/rear, Eibach Sway bars, Cobra HB (dads ride, but I fix it )

  2. #2
    FEP Power Member Mustang Marty's Avatar
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    Nov 2004
    Location
    Everett, Washington, United States
    Posts
    2,292

    Default

    My 79 is a Turbo-4 to V8 swap. I have been using the original yellow strain box since the swap. The 3rd connector is not hooked up and the car runs great. At least in my car, I believe it connected to a relay panel that would retard the ignition under boost, but it was also in cars built for high altitude areas to do the same thing.
    Last edited by Mustang Marty; 06-30-2020 at 06:25 PM.
    79 Mustang Coupe - Jade Green Metallic - 5.0 5Sp - Purchased 2006
    17 Mustang Convertible - Triple Yellow Tri-Coat - 3.7l Auto - Purchased 2020
    ------------------------------------------------------------
    01 Mustang - 3.8 Auto True Blue - Oct 2001- Apr 2022 RIP
    85 ASC - McLaren 5.0 SC - ASC White - 5.0 CFI Auto - Owned 2004 - 2016
    98 Mustang - White - 3.8 5pd - Owned 1998 - 2001
    84 Mustang SSP - White - 5.0 5sp - Owned 1993 - 1998
    84 SVO - Charcoal - 2.3t 5Sp - Owned 1989 -1992
    79 Mustang Ghia - 5.0 Auto - Owned 1981 - 1986
    68 Mustang Coupe - 302 Auto, Yellow - Owned 1980 - 1981

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