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Technical Reverse Lock out

Discussion in 'The Hokey Ass Message Board' started by Sharpone, Oct 1, 2025.

  1. swade41
    Joined: Apr 6, 2004
    Posts: 14,366

    swade41
    Member
    from Buffalo,NY

    My Kilduff has a pretty simple reverse lockout, the red knob.

    Screenshot_20251003_223924_Gallery.jpg Screenshot_20251003_223935_Gallery.jpg Screenshot_20251003_224012_Gallery.jpg
     
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  2. ClayMart
    Joined: Oct 26, 2007
    Posts: 7,769

    ClayMart
    Member

    Slap Stick shifter . . . I always wondered if they shifted "funny".
    :p
     
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  3. Sharpone
    Joined: Jul 25, 2022
    Posts: 2,794

    Sharpone
    Member

    IMG_3545.jpeg Perfect That’s what I’ll do for now, then this winter either modify the gates or buy a new shifter
    Thanks
    Dan
     
    swade41 likes this.
  4. RodStRace
    Joined: Dec 7, 2007
    Posts: 8,505

    RodStRace
    Member

    @Sharpone, we all know you are going to find 3 more swap meet shifters cheap and frankenstein one! :D
     
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  5. Sharpone
    Joined: Jul 25, 2022
    Posts: 2,794

    Sharpone
    Member

    It’s a sickness I tell ya @RodStRace but I enjoy a challenge. For now I just want to get the car up and running. I’ll do something similar to what @swade41 posted for a reverse lock out. At present my main concern is knocking or shifting into R. When I start adding power I’ll have to think about more positive shifts. I suspect at present the best acceleration may be achieved by simply leaving in Drive.
    Dan
     
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  6. RodStRace
    Joined: Dec 7, 2007
    Posts: 8,505

    RodStRace
    Member

    I've seen something as simple as one of those lock hasps used. Flip it over once in gear.
    Truly low buck!
    [​IMG]
     
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  7. RmK57
    Joined: Dec 31, 2008
    Posts: 3,089

    RmK57
    Member

    Only issue I had with my BM Pro stick is the aluminum trigger wore out in 6 months of use. It was getting egged out and I couldn’t engage 3rd, reverse or park. Made one from steel and it’s been perfect for 8 years. Great shifter.
     
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  8. 19Eddy30
    Joined: Mar 27, 2011
    Posts: 3,778

    19Eddy30
    Member
    from VA

    IMG_4195.png

    https://www.kilduffshifter.com/


    There seem's to be a Lot of going On
    with that Kilduff shifter & there other
    models , I seen onetime in a pic , Thought it was a "One Off" , then seeing its actually being marketing / made.
    I am curious to see How the working are under the plate ,,, Definitely seems more complex , Distraction
    & moving parts than the
    Old lightning rods of the 80s by Hurst & in some of the Hurst 442 for automatics.
    Nothing Like a
    True Lenco Lighting Rods before Air pods
     
    Sharpone likes this.
  9. swade41
    Joined: Apr 6, 2004
    Posts: 14,366

    swade41
    Member
    from Buffalo,NY

    I have that shifter in my 41 with a full manual reverse th400, you wont find a more heavy duty built shifter that's for sure. There's a video showing him hitting his ratcheting shifter with a baseball bat and it only moving one gear at a time.
    He has some great ideas on how a shifter should work and several videos showing them.
    https://youtube.com/@briankilduff?si=1cCtKO_44oZ4MHox

    As far as my shifter goes, there's a round bar with fingers that selects the gear, it's pretty interesting how it works. The shifter on the left is park, reverse, neutral, first and second for sure but maybe 3rd too. I just put that one in 1st, 2nd stick to the right is 2nd gear, pull it down and it goes to 2nd, push it up and it goes back to 1st as well as the shifter on left moves back to 1st. Next stick to right is for 3rd, works the same, pull down for 3rd, push it back up and it goes back to second, 2nd stick stays down in 2nd position but shifter on left moves up to second.
    The stick on far right is for neutral, it moves down as soon as you pass neutral with the shifter on far left and stays down while in 1st 2nd 3rd. So if you're in 3rd and want to go to neutral you push it up and somehow it bypasses 2nd and first and goes to neutral moving the 2nd and 3rd sticks to the up position as well as moving the left shifter to neutral.
    So effectively while driving forward I only use the 2nd and 3rd sticks, since second is also first in the up position.
    It's definitely fool proof

    FB_IMG_1757478876444.jpg
     
  10. RodStRace
    Joined: Dec 7, 2007
    Posts: 8,505

    RodStRace
    Member

    @swade41 sounds great. Not the baseball bat thing, I try not to require brute force driver to machine interface! :p
    That you have a RMVB and can clean shift to neutral. That's been a minor quibble on quarter mile stuff. You are in third, boogieing and suddenly something happens where it SURE would be nice to be able to get to neutral.
     
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  11. swade41
    Joined: Apr 6, 2004
    Posts: 14,366

    swade41
    Member
    from Buffalo,NY

    I've never actually done it with the truck running and moving but I've tested the function with the motor off and the action is fast.
     
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  12. TA DAD
    Joined: Mar 2, 2014
    Posts: 1,597

    TA DAD
    Member
    from NC

    If you do some research you are never supposed to put a automatic in neutral at speed. It can lead to a transmission failure. Companies do make valve bodies with either a clean neutral or a safe neutral which are different. Just a thought as you design your shifter.
     
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  13. jnaki
    Joined: Jan 1, 2015
    Posts: 11,270

    jnaki

    upload_2025-10-6_2-42-59.png

    Hello,

    Reverse lock out is mandatory. Even though, in a 3 speed, it has a different way to get in in gear. Neutral always should not have a lock out. When in any gear and the motor conks out, one can try to restart it with the key or in gear with the clutch out. But, more than likely, it can be started by shifting back to neutral to start while rolling or stopping on the curb of the street.
    upload_2025-10-6_2-51-3.png
    We had in our hot rod sedans and sedan deliveries, many times, the motor would conk out. Luckily, it was easy to put the transmission back in neutral to restart our old flathead motor or even the 280 hp 348 Impala motor with the 3 speed transmission.

    Jnaki
    upload_2025-10-6_2-51-19.png
    When we got the C&O stick hydro, there was a reverse lock out. That was good for safety in all forms of racing or driving around the cruising area. Most of the time, it was in “D” but if I wanted to shift manually, I could start at “1” and go through the gears. But, why? First gear was so tight that I had to shift almost instantly. Second gear was better and I could start with the 4:56 gears, but again, why?

    If I left, there was no lock out in the reverse gear, that would have caused many problems. So, yes, reverse lock out and no lock out for neutral for your set up. YRMV
     

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