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correct speedometer gear

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    #1

    correct speedometer gear

    Probably not the correct forum but, in stock 2.73 rear from with aod what is the speedometer gear tooth count? and what do I need to switch to for accuracy with a 3.27 rear? Believe it or not, I can't get an answer at the parts counter at Ford.

    Thank you.
    1991 GM GS sedan "Love Boat" HO converted, Holley adjustable fpr, 3.27 Trac-lok - RIP
    1991 Colony Park LS "Wally World Express" HO, 3.27 trac-lok - RIP
    1988 grand marquis ls "grey ghoul" - RIP 1992 gm ls "superbeater"- sold 1993 F350 dually 7.3 IDI crew cab flatbed "killer" - RIP
    1994.5 F350 Dually Crew Cab Flatbed, Powerstroke 7.3 "overkill" - Alive and kicking
    1987 Lincoln Town Car "El Presidente" - Resting for winter, gonna be a beast!
    2008 Mustang, no name - belongs to the wifey
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    #2
    Posted this a while back.

    http://grandmarq.net/forum/viewtopic.php?t=2238&highlight=speedo

    Comment

      #3
      That chart should be stickied. How can I tell if I have a 7 or 8 tooth drive short of visual check?
      1991 GM GS sedan "Love Boat" HO converted, Holley adjustable fpr, 3.27 Trac-lok - RIP
      1991 Colony Park LS "Wally World Express" HO, 3.27 trac-lok - RIP
      1988 grand marquis ls "grey ghoul" - RIP 1992 gm ls "superbeater"- sold 1993 F350 dually 7.3 IDI crew cab flatbed "killer" - RIP
      1994.5 F350 Dually Crew Cab Flatbed, Powerstroke 7.3 "overkill" - Alive and kicking
      1987 Lincoln Town Car "El Presidente" - Resting for winter, gonna be a beast!
      2008 Mustang, no name - belongs to the wifey

      Comment

        #4
        1990 and up are 8 tooth. 1989 and down are 7 tooth.

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