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1996 Cobra Speed Calibrator

Discussion in '96-04 - 4V Specific' started by cobraman, Mar 4, 2014.

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  1. Mar 4, 2014 #1
    cobraman

    cobraman New Member

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    Hi,
    I recently got a 1996 Cobra and found that the speedometer is off. It has 410 gears and 18" wheels. I want to get a speed calibrator to fix the speedometer on the car. I am thinking about getting the ford racing one but thought I would see if anybody has experience with this one or any others I should maybe consider?

    Thanks
     
  2. Mar 4, 2014 #2
    lutter94

    lutter94 Well-Known Member

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    speedcal works well. dial the percent change you want it to make. pretty simple.
     
  3. Mar 4, 2014 #3
    cobraman

    cobraman New Member

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    Yeah that's what I hear. Any one better than the other?


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  4. Mar 11, 2014 #4
    Shifty Powers

    Shifty Powers Well-Known Member

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    could just change the physical gears behind the speedo/in tranny as well
     
  5. Mar 13, 2014 #5
    cobraman

    cobraman New Member

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    I thought about that but what I heard is its not that accurate. I went ahead and ordered the ford racing speed cal

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  6. Mar 13, 2014 #6
    1997GT4.6

    1997GT4.6 Well-Known Member

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    I have the ford speed cal. Works great, just as advertised.
     
  7. Mar 14, 2014 #7
    cobraman

    cobraman New Member

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    Thanks good to know. Did u Mount it under the hood?

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  8. Mar 15, 2014 #8
    lutter94

    lutter94 Well-Known Member

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    I used stick on velcro, stuck it to the firewall (engine side, in front of passenger seat). There is that main harness there, so I tapped into two of the wires. Want switched power, so it doesn't drain your battery.....
     
  9. Mar 15, 2014 #9
    cobraman

    cobraman New Member

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    Cool thanks. I was thinking about using some Velcro. Does it hold up well?

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  10. Mar 15, 2014 #10
    lutter94

    lutter94 Well-Known Member

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    Been awhile since I messed with it, but IIRC it's still good. All depends on the velcro you buy......
     
  11. Mar 15, 2014 #11
    lutter94

    lutter94 Well-Known Member

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    Looks like his is in the same place as mine......

    [​IMG]
     
  12. Mar 15, 2014 #12
    cobraman

    cobraman New Member

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    Cool thanks


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  13. Mar 17, 2014 #13
    cobraman

    cobraman New Member

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    Hey I just got mine but I don't have the circuit diagram. I ordered a manual but don't have it yet. I noticed the wires aren't very long. Did u connect the ground wire to another ground ground wire in the same harness as the other wires?

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  14. Mar 17, 2014 #14
    lutter94

    lutter94 Well-Known Member

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    I just grounded it somewhere on the body, can't remember which bolt exactly. But the instructions said which wire the VSS was that I needed to cut. I just used a voltmeter to find switched power in that big harness......
     
  15. Mar 17, 2014 #15
    cobraman

    cobraman New Member

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    Thanks I'm sure I will figure it out. Plan to mess with it later this week.

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  16. Mar 21, 2014 #16
    cobraman

    cobraman New Member

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    Well its installed and my speedometer is now accurate. Now I'm actually going 120 instead of what I thought was 135
    [​IMG]


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  17. Mar 25, 2014 #17
    MustangChris

    MustangChris Post Whore Retired Staff SN95 Supporter

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    i have the FRPP speed cal. easy to calibrate, easy to install, non-functional with 03/04 Cobras (from what i can tell -- not that that would effect you. lol)

    :)
     
  18. Mar 25, 2014 #18
    cobraman

    cobraman New Member

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    Yeah I used the ford racing one. Easy to install and works great so far

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  19. Mar 29, 2014 #19
    SnakeBit!

    SnakeBit! Active Member

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    I have a used one laying around somewhere that a friend needs. can anyone tell me what wires to tap into and which one goes where? thanx.
     
  20. Mar 29, 2014 #20
    cobraman

    cobraman New Member

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    Grey/black for the signal wire. The wire going towards the engine is the one going to transmission. I also tapped into the red power wire. You can get the speed cal wires from the website

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