4 Speed Overdrive Automatic Kit

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    Author Topic: 4 Speed Overdrive Automatic Kit  (Read 16897 times)

    Offline ff6849

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    • Posts: 181
    Re: 4 Speed Overdrive Automatic Kit
    « Reply #30 on: April 22, 2014 - 10:27:04 PM »
    here is what I am planning at the moment, I found a programmed 5 second delay relay design for automotive use and using a single adjustable pressure switch to control overdrive, and lock up....... still gathering parts.  I am considering indicator lights for when OD LU come in, no practical purpose but thought it has a cool factor :bigshades:
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    (__________]]]]]}~~~~

    73 440 Cuda'
    915 heads (mild head work, stock bottom end 10/9:1 compression)
    A518 2600-2800 Stall
    4.10 rear gear
    TTI headers with 3' exhaust with  X pipe 
    comp XE274H cam
    Hughes Roller Rockers
    Holley Sniper EFI
    Holley Street Dominator intake
    MSD ignition


    Offline Katfish

    • Resident
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    • Posts: 3733
    • 70 Challenger
    Re: 4 Speed Overdrive Automatic Kit
    « Reply #31 on: April 22, 2014 - 10:40:07 PM »
    I'm adding LED indicators for OD & LU, probably just for the initial set-up and fine tuning.

    I've already tested the circuit with an ohmmeter while driving, it'll just be easier to "see" what's happening with the LEDs.

    Only tested the vacuum and relay sections at this point, the pressure switch will come once the trannys actually installed.
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    Offline ff6849

    • Jr. Member
    • **
    • Posts: 181
    Re: 4 Speed Overdrive Automatic Kit
    « Reply #32 on: April 22, 2014 - 10:42:06 PM »
    that's was my thinking too on the indicator lights too
    Logged
    (__________]]]]]}~~~~

    73 440 Cuda'
    915 heads (mild head work, stock bottom end 10/9:1 compression)
    A518 2600-2800 Stall
    4.10 rear gear
    TTI headers with 3' exhaust with  X pipe 
    comp XE274H cam
    Hughes Roller Rockers
    Holley Sniper EFI
    Holley Street Dominator intake
    MSD ignition

    Offline ff6849

    • Jr. Member
    • **
    • Posts: 181
    Re: 4 Speed Overdrive Automatic Kit
    « Reply #33 on: October 23, 2014 - 11:23:50 PM »
    Ok, finally started the A518 transmission is in the shop getting a complete rebuild. So I started the wiring harness here is a few pic's. Got LED indicator lights working with a 5 second delay. Everything fits in the console. 
    « Last Edit: October 23, 2014 - 11:25:23 PM by ff6849 »
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    (__________]]]]]}~~~~

    73 440 Cuda'
    915 heads (mild head work, stock bottom end 10/9:1 compression)
    A518 2600-2800 Stall
    4.10 rear gear
    TTI headers with 3' exhaust with  X pipe 
    comp XE274H cam
    Hughes Roller Rockers
    Holley Sniper EFI
    Holley Street Dominator intake
    MSD ignition

    Offline ff6849

    • Jr. Member
    • **
    • Posts: 181
    Re: 4 Speed Overdrive Automatic Kit
    « Reply #34 on: November 21, 2014 - 09:18:49 AM »
    Had to modify my wiring,  needed to add second relay, but it's all working now. Still waiting for transmission to get rebuilt.
    « Last Edit: November 21, 2014 - 09:23:54 AM by ff6849 »
    Logged
    (__________]]]]]}~~~~

    73 440 Cuda'
    915 heads (mild head work, stock bottom end 10/9:1 compression)
    A518 2600-2800 Stall
    4.10 rear gear
    TTI headers with 3' exhaust with  X pipe 
    comp XE274H cam
    Hughes Roller Rockers
    Holley Sniper EFI
    Holley Street Dominator intake
    MSD ignition

    Offline ff6849

    • Jr. Member
    • **
    • Posts: 181
    Re: 4 Speed Overdrive Automatic Kit
    « Reply #35 on: November 21, 2014 - 12:54:03 PM »
    here is some more photos
    Logged
    (__________]]]]]}~~~~

    73 440 Cuda'
    915 heads (mild head work, stock bottom end 10/9:1 compression)
    A518 2600-2800 Stall
    4.10 rear gear
    TTI headers with 3' exhaust with  X pipe 
    comp XE274H cam
    Hughes Roller Rockers
    Holley Sniper EFI
    Holley Street Dominator intake
    MSD ignition

    Offline 360FISH

    • Full Member
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    • Posts: 705
    • BS23H3B567746
    Re: 4 Speed Overdrive Automatic Kit
    « Reply #36 on: November 21, 2014 - 01:19:48 PM »
     :clapping:  very cool...

    Can't wait to see a video of it running.    :burnout:
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    1973 ‘Cuda   Semi-Pro Touring
    360 SB - 518/OD auto tranny - FAST EZ EFI - Edelbrock Fuel sump - HHR fan
    Hella H4 headlights on relays - 97 Dodge Avenger seats - Chin spoiler - Bumpers pulled in to ’72 offset

    Build: http://www.cuda-challenger.com/cc/index.php?topic=74674.0

    Offline Katfish

    • Resident
    • *****
    • Posts: 3733
    • 70 Challenger
    Re: 4 Speed Overdrive Automatic Kit
    « Reply #37 on: November 21, 2014 - 02:42:46 PM »
    Took mine out for the initial test drive, a few bugs to work out, but it is awesome. 
    Only 2800 rpm at 75mph, and no vibrations which was a concern.  Now I can keep up with the rice burners on I-95 without rattling my teeth.
    Here's a shot at 60mph, only 1800rpm and I have 3.73 gears.
    Glad I got the LU converter, I can definitely feel it drop a few RPMs when it kicks on, it's like having a 4.5spd auto.


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    Offline ff6849

    • Jr. Member
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    • Posts: 181
    Re: 4 Speed Overdrive Automatic Kit
    « Reply #38 on: November 23, 2014 - 03:18:14 PM »
    Katfish, what did you do for transmission cooler and lines......I can't wait to get my transmission back from the re-builder.
    Logged
    (__________]]]]]}~~~~

    73 440 Cuda'
    915 heads (mild head work, stock bottom end 10/9:1 compression)
    A518 2600-2800 Stall
    4.10 rear gear
    TTI headers with 3' exhaust with  X pipe 
    comp XE274H cam
    Hughes Roller Rockers
    Holley Sniper EFI
    Holley Street Dominator intake
    MSD ignition

    Offline Katfish

    • Resident
    • *****
    • Posts: 3733
    • 70 Challenger
    Re: 4 Speed Overdrive Automatic Kit
    « Reply #39 on: November 23, 2014 - 05:02:59 PM »
    I pulled the lines and cooler from the same 95 Van I pulled the tranny.
    You can buy new lines and cooler for about $100 from Advanced Auto.
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