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Spark plug wire question (Motorcraft)

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    #1

    Spark plug wire question (Motorcraft)

    I went with Motorcraft wires as replacement for OEM, for the 1990 Grand Marquis. Here's the question - apologies that it borders on OCD (yeah, i need medicine). Would anyone know the length of the stock wires, by number? Reason I ask is that I like to preserve the original wire routing and remove one wire at a time. Many times the aftermarket Motorcraft (or AC Delco, for that matter) aren't exactly like the OEM (Ford, or GM), since aftermarket Motorcraft may serve several applications. My OEM wires are actually numbered and have the year stamped on them. I'm trying to get by with going one wire at a time - I'd hate to get down to the last one or two and find that I used too long or short a wire on previous wires.

    thanks for any help...
    95 DGM Impala SS, 383, LT4 cnc heads, LT4 matched intake, Holley 58 mm t/body, GM 846 cam, GMPP 1.5 rr's, F-body MAF, BH OBD I PCM, LT4 knock module, K&N cold air, Edelbrock headers, Flowmaster exhaust, BBHP #73 6-speed, 4:10 gear, sloted and drilled rotors, Z28 cluster
    96 Buick Roadmaster Limited Wagon, mostly stock
    77 Ford F150, 400M auto, longbed
    98 Suburban LS 5.7L Vortec, stock
    90 Grand Marquis, stock
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    #2
    Usually I just lay out the new wires in a row by size and match them up with the old wire as I remove them. It usually works pretty well.
    Jay
    03 Marauder DPB, HS, 6disk, Organizer Mods> LED's in & Out, M&Z rear control arms, Oil deflector, U-Haul Trans Pan, Blue Fuzzy Dice
    02 SL500 Silver Arrow
    08 TC Signature Limited, HID's Mods>235/55-17 Z rated BFG G-Force Comp-2 A/S Plus, Addco 1" rear Sway, Posi Carrier, Compustar Remote Start, floor liners, trunk organizer, Two part Sun Visors, B&M Trans drain Plug, Winter=05 Mustang GT rims, Nokian Hakkapeliitta R-2 235/55-17
    12 Escape Limited V6 AWD, 225/65R17 Vredestein Quatrac Pro, Winter 235/70-16 Conti Viking Contact7 Mods>Beamtech LED headlight bulbs, Husky floor liners

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      #3
      Originally posted by jaywish View Post
      Usually I just lay out the new wires in a row by size and match them up with the old wire as I remove them. It usually works pretty well.
      Jay
      My experience recently with my 77 ford was not that good. The OEM wires were mostly a tad shorter than the aftermarket Motorcraft, but then, after going thru 6 or 7 wires, the damn 8th one was too short! So somehow one of the 'earlier' ones that I had used should have been for #8. Happened to me on a GM truck a few years ago too. Yeah, i need medicine...
      95 DGM Impala SS, 383, LT4 cnc heads, LT4 matched intake, Holley 58 mm t/body, GM 846 cam, GMPP 1.5 rr's, F-body MAF, BH OBD I PCM, LT4 knock module, K&N cold air, Edelbrock headers, Flowmaster exhaust, BBHP #73 6-speed, 4:10 gear, sloted and drilled rotors, Z28 cluster
      96 Buick Roadmaster Limited Wagon, mostly stock
      77 Ford F150, 400M auto, longbed
      98 Suburban LS 5.7L Vortec, stock
      90 Grand Marquis, stock

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        #4
        I usually start w\ the longest first...



        87 Ford LTD Crown Victoria Country Squire Station Wagon. 4.10's, Repacked Trac Loc, Boxed LCA's, Explorer Intake, 65mm T-body, 'Stang Cam, 'Stang Air tube, K&N, GT-40X Heads, 1" Spacer, 1 5/8 BBK's, 2.5" Pypes X-pipe w/high flow cats, Single Chamber Thunderbolts, B&M 'vertor, Po-lice Swaybars.

        91 Mercury Grand Marquis Colony Park Station Wagon. K-Code, 4.10's, Repacked Trac Loc, MK VII LSC Engine, 'Stang Upper Intake, Stang Air Tube, K&N, 65 mm T-Body, 'Stang Headers, 'Stang Cat Pipe,'Stang Torque Convertor, 2 Chamber Thunderbolts.

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