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  •  » FYI Ford, Classic Mustang Tech Discussion
  •  » Bradster's diagram of CVR mod to solid state

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    11/11/2017 1:28 AM  #1

    Ron68
    Senior 24-7 FYI Addict

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    From: Mukilteo, Washington
    Registered: 4/01/2013
    Posts: 1,575

    Bradster's diagram of CVR mod to solid state

    Can't seem to find the picture or diagram that Bradster made years ago on how to mod the old bi-metallic CVR to a new solid state unit. Anyone know of or have a copy? I've looked on this site and on MS's site, but can't find a copy.

    68 coupe - 351W, 4R70W, 9" 3.25 -- 65 convertible - 289 4v, C4, 8" 3.00
     

    11/11/2017 6:59 AM  #2

    JamesW
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    From: Greenville, Tx
    Registered: 4/02/2013
    Posts: 227

    Re: Bradster's diagram of CVR mod to solid state

    http://www.midnightdsigns.com/james/images/ModifyCVU.gif

    http://www.midnightdsigns.com/james/images/Prototype_CVU.gif

    http://www.midnightdsigns.com/james/images/Bradstuff.htm

    http://www.midnightdsigns.com/james/images/SolidStateCVU.gif

    Last edited by JamesW (11/11/2017 7:02 AM)

     

    11/11/2017 7:43 AM  #3

    John Ha
    I FYI 24-7

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    From: Mitchell, SD
    Registered: 4/02/2013
    Posts: 932

    Re: Bradster's diagram of CVR mod to solid state

    Here too (bottom list, 3rd from the top)

    http://mit.midco.net/jharcinske/Mustang_Projects_Information.html

    Founding Member of the Perpetually Bewildered Society
     

    11/11/2017 8:51 AM  #4

    Bullet Bob
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    From: Montrose, Colorado
    Registered: 4/01/2013
    Posts: 4,887

    Re: Bradster's diagram of CVR mod to solid state

    That will get the job done, Ron, and it will look like stock if anyone looks butt (TS&T) I think this is a better way.  I built two of these and used one on the fuel gauge and one on the temp/oil.  With that setup I was able make the fuel gauge work more accurately and get the temp and oil to read near center scale under normal conditions.  Easy and cheap.

    http://www.circuitstoday.com/ic-voltage-regulators

    Scroll down and use the schematic for the Adjustable regulator.

    BB

    Last edited by Bullet Bob (11/11/2017 8:53 AM)

    "you get what you pay for, good work isn't cheap, and there are NO free lunches...PERIOD!"
     

    11/11/2017 1:13 PM  #5

    Ron68
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    From: Mukilteo, Washington
    Registered: 4/01/2013
    Posts: 1,575

    Re: Bradster's diagram of CVR mod to solid state

    Excellent! Thanks guys for your very knowledgeable input!

    68 coupe - 351W, 4R70W, 9" 3.25 -- 65 convertible - 289 4v, C4, 8" 3.00
       •Thread Starter
     

    3/06/2022 7:49 AM  #6

    Greg B
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    Registered: 4/01/2013
    Posts: 1,696

    Re: Bradster's diagram of CVR mod to solid state

    Ok I'm remembering.   The ones I made years ago were like James W.   LM 7805.    Except I didn't pop rivet the regulator to to metal case, I heated and soldered the case from the outside with a mini torch.   So that the metal case itself was the heat sink.   They must have worked, the various ones I gave to people never got complaints.   

    I've collected a few more cases since then on the different dashes I collected for my Galaxies.  I need one for my convertible.  Sorting out the gas gauge.

    Thanks guys!

    If multiple things can go wrong, the one that will go wrong will be the one that causes the most damage.
     

    3/06/2022 7:54 AM  #7

    Nos681
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    From: Atlantic Mine, Michigan
    Registered: 7/14/2016
    Posts: 3,331

    Re: Bradster's diagram of CVR mod to solid state

    Greg look here.  It’s in the Tips and How To section. 

    https://fyi.boardhost.com/viewtopic.php?id=11628

    Last edited by Nos681 (3/06/2022 7:55 AM)

     

     

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