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Motorcraft versus aftermarket IAC and TPS

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    Motorcraft versus aftermarket IAC and TPS

    for GM, I'd probably stick w/GM or Delco, for these parts, but just wondering this forum's experience with aftermarket IAC and TPS, say the BWD brand.

    Thanks-
    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

    #2
    dunno about bwd i bought a duralast from autozone and it absolutely would not work took it back and got a refund a bought a motorcraft from oreilly autoparts for $75.99 it was more than the duralast but it does work it did take a couple days for them to order it for me though.
    2002 Mercury Grand Marquis LSE, Sylvania Zevo LED Headlights, MSD Blaster Coils, K&N Cold Air Intake, Dual Exhaust, 3.27's - Dally Driver

    1983 Lincoln Continental Mark VI, Smog Delete - Summer Cruiser


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      #3
      my napa eichlin IAC seems to work alright.
      Acts funny on cold startup maybe-- can't necessarily damn the napa IAC though.

      Comment


        #4
        My experience points me towards OEM for these two parts!! Bobby


        "Hope and dignity are two things NO ONE can take away from you - you have to relinquish them on your own" Miamibob

        "NEVER trade your passion for glory"!! Sal "the Bard" (Dear Old Dad!)

        "Cars are for driving - PERIOD! I DON'T TEXT, TWEET OR TWERK!!!!"

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          #5
          I have tried aftermarket IAC and TPS but neither worked as well as a junkyard OEM.
          sigpic


          - 1990 Ford LTD Crown Victoria P72 - the street boat - 5.0 liter EFI - Ported HO intake/TB, 90 TC shroud/overflow, Aero airbox/zip tube, Cobra camshaft, 19lb injectors, dual exhaust w/ Magnaflows, Cat/Smog & AC delete, 3G alternator, MOOG chassis parts & KYB cop shocks, 215/70r/15s on 95-97 Merc rims

          - 2007 Ford Escape XLT - soccer mom lifted station wagon - 3.0 Duratec, auto, rear converter delete w/ Magnaflow dual exhaust

          - 2008 Mercury Grand Marquis Ultimate Edition - Daily driver - 4.6 2 valve Mod motor, 4R75E, 2.73s. Bone stock

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            #6
            aftermarket tps ok........aftermarket iac...crap......only the aftermarket premuim brands ok.......duralast iac's suck, same with the gp sorensen from advance.......napa premium one ok, but prob more than motorshaft

            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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