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1985 cfi to 95 mustang efi engine swap

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    #16
    cfi 5.0's had one o2 sensor

    sefi 5.0 had two o2 sensors

    1986 lincoln towncar signature series. 5.0 HO with thumper performance ported e7 heads, 1.7 roller rockers, warm air intake, 65mm throttle body, 1/2" intake spacer, ported intakes, 3.73 rear with trac lock, 98-02 front brake conversion, 92-97 rear disc conversion, 1" rear swaybar, 1 3/16" front swaybar, 16" wheels and tires, loud ass stereo system, badass cb, best time to date 15.94 at 87 mph. lots of mods in the works 221.8 rwhp 278 rwt
    2006 Lincoln Town Car Signature. Stock for now
    1989 Ford F-250 4x4 much much more to come, sefi converted so far.
    1986 Toyota pickup with LSC wheels and 225/60/16 tires.
    2008 Hyundai Elantra future Revcon toad
    1987 TriBurner and 1986 Alaska stokers keeping me warm. (and some pesky oil heat)

    please be patient, rebuilding an empire!

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      #17
      Yes CFI only has an o2 on the passenger side.

      Just get a complete wire harness from an 86-88 panther. Newer boxes harnesses will work just the same but from my understanding they have smog relays and crap moved around. The 86-88 cars have smog relays right where the smog air pump thing is on your 85. It's easy to mount them on the fender.

      The map will need moved and it is pretty tight with the 85's bulkier wiper motor. It nearly touches the iac.

      It's also good to get the SEFI heater hose thing. Or at least get longer heater hoses to the heater core. Mine couldn't clear the intake and broke a nipple on my heater core. Which is going to be a pain.

      I wouldn't worry about getting new replacements for your exhaust manifolds. Its much more cost effective to get headers from a mustang or a panther in the yard. If I was going to buy new manifolds I would spend my money on some headers. But that's my opinion.

      Also I messed up on my earlier post.
      Tv bracket from rod controlled car
      Tv lever from cable controlled car.

      And you'll need a cruise cable from an SEFI panther but keep your current cruise ball. When I put an SEFI ball on my car, cruise went retarded.

      When you swap the motors out, you can keep all the original start circuit wiring. And you will only need to make one splice. The red/green wire near the drivers fender.

      If you swap out all the ignition circuit wiring you will need to make more splices that I haven't done yet but 85CrownHPP has.

      Only other wiring splice is the far orange fuel shutoff wire needs spliced into the new fuel pump replay. Also on the drivers fender.
      1985 LTD Crown Victoria - Currently restoring after she caught fire! CFI to SEFI to Carb swap, all custom wiring, Duraspark 2 ignition, Motorcraft 2100 Carb, slicktop, Shorty headers dumped before rear axle, 140 Speedo, 3G alt, And currently building an engine for her.

      2000 Lincoln Town Car Signature Series - 165XXX, PI intake swap , 30 MPG Easy on the Highway, All options except dual exhaust. Currently looking for 2 front seats: Heated, Memory, and Light Graphite color!!

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        #18
        Also if you're set on using 1990 town car manifolds I have a set that I'll sell ya. I've got 2 extra o2 sensors too I can throw in. All these parts are used though. Just pm me if you're interested.
        1985 LTD Crown Victoria - Currently restoring after she caught fire! CFI to SEFI to Carb swap, all custom wiring, Duraspark 2 ignition, Motorcraft 2100 Carb, slicktop, Shorty headers dumped before rear axle, 140 Speedo, 3G alt, And currently building an engine for her.

        2000 Lincoln Town Car Signature Series - 165XXX, PI intake swap , 30 MPG Easy on the Highway, All options except dual exhaust. Currently looking for 2 front seats: Heated, Memory, and Light Graphite color!!

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