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Technical 1940 plymouth coupe

Discussion in 'Traditional Customs' started by gasmonkeyrodder, Feb 18, 2020.

  1. gasmonkeyrodder
    Joined: Sep 20, 2010
    Posts: 32

    gasmonkeyrodder
    Member
    from uk

    Hi Guys need some help? I am building a 1940 Plymouth coupe and I want to use cavalier rack & pinion steering. do they do a none powered rack rear steer? or are they all power racks? any help would be much appreciated.
    Regards
    Mark
     
    chryslerfan55 likes this.
  2. ol-nobull
    Joined: Oct 16, 2013
    Posts: 1,414

    ol-nobull
    Member

    Hi & welcome. I like your profile page as it says a lot. You would do better with your question on the steering if you post it on the main forum (HAMB) as more will see it there. When you do post there show us some photo's of your rides. Jimmie
     
    40 Plymouth driver likes this.
  3. gasmonkeyrodder
    Joined: Sep 20, 2010
    Posts: 32

    gasmonkeyrodder
    Member
    from uk

  4. lucas.gray39
    Joined: Feb 18, 2020
    Posts: 26

    lucas.gray39

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  5. gasmonkeyrodder
    Joined: Sep 20, 2010
    Posts: 32

    gasmonkeyrodder
    Member
    from uk

    318 mopar pretty much stock for know.
     
    chryslerfan55 likes this.
  6. 4woody
    Joined: Sep 4, 2002
    Posts: 2,099

    4woody
    Member

  7. paul philliup
    Joined: Oct 3, 2013
    Posts: 170

    paul philliup
    Member
    from ohio

    I like your project I have a 39 Plymouth Coupe.
     
  8. Nice Mopar. Do you plan to run a six barrel setup on the 318?
     
    gasmonkeyrodder likes this.
  9. gatz
    Joined: Jun 2, 2011
    Posts: 1,446

    gatz
    Member

    Looks like you've got 2 threads with the same title going on.

    This is what I posted in the other one.
    >
    This company sells manual units for the GM cars;
    • 1982-1986 Buick Skyhawk
    • 1982-1986 Chevrolet Cavalier
    • 1982-1986 Oldsmobile Firenza
    • 1982-1983 Pontiac J2000
    • 1986 Pontiac Sunbird

    https://www.detroitaxle.com/shop/st...plete-manual-steering-rack-pinion-assembly-6/
    IDK if those cars actually came optioned as non-PS; might check Hollanders.

    If you're interested going with PS units, I have a complete '94 power Cavalier setup including pump. And a '98 Z24 (quicker ratio) setup as well.
    They were what I was going to use in my '40 Chrysler,
    but went with a Jag XJ6.
    <

    Note, you can delete the other thread.
     
  10. gasmonkeyrodder
    Joined: Sep 20, 2010
    Posts: 32

    gasmonkeyrodder
    Member
    from uk

    yes I was hoping to run the six barrel set up if I can get it to run good.
     
    chryslerfan55 likes this.
  11. gasmonkeyrodder
    Joined: Sep 20, 2010
    Posts: 32

    gasmonkeyrodder
    Member
    from uk

    thank you, its all starting to come together now.
     
  12. Check on Pontiac Sunfire manual racks, my 48 Plymouth is set up with one. Chevy didn't offer manual steering but Pontiac did in the same platform.
     
    Last edited: Feb 18, 2020
  13. gasmonkeyrodder
    Joined: Sep 20, 2010
    Posts: 32

    gasmonkeyrodder
    Member
    from uk

  14. gasmonkeyrodder
    Joined: Sep 20, 2010
    Posts: 32

    gasmonkeyrodder
    Member
    from uk

    chryslerfan55 likes this.
  15. gasmonkeyrodder
    Joined: Sep 20, 2010
    Posts: 32

    gasmonkeyrodder
    Member
    from uk

  16. gasmonkeyrodder
    Joined: Sep 20, 2010
    Posts: 32

    gasmonkeyrodder
    Member
    from uk

    chryslerfan55 and scotty t like this.
  17. missysdad1
    Joined: Dec 9, 2008
    Posts: 2,850

    missysdad1
    ALLIANCE MEMBER

    I suggest you retain the stock steering if you are keeping the front suspension. I ran a 318 in a '48 Plymouth for years and it was a very pleasant ride. Motor had to be offset to the passenger side and I used a Dodge 4x4 oil pan as I recall to make it all happy. When the motor went south I went with a fabbed front frame stub with Mustang components and later wished I had kept it the way it was. With dropped uprights, cut coils and re-located shock mounts it was plenty low and drove great. With the Mustang II stuff not so much. Great project. Good luck!
     
  18. andydodge
    Joined: Sep 28, 2008
    Posts: 987

    andydodge
    Member

    I have had my 1940 Oz Dodge since 1971......318 Poly since 1973......you can swap in the 1941-1954 or 56 upper A arms which are a stronger setup, just use the 1940 onwards upper inner pin & bush on the 1941 onwards arm................I have had a 9" narrowed Austin 1800 rack & pinion since 1980, front end uses 1940 lower A arms, 1941-56 stub axles, Oz 11" vented discs, 1" thick sway bar of original shape, heim jointed links & relocated upper shock mounts........drives well........andyd
     

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  19. Blue-Collar-HotRods
    Joined: Nov 21, 2019
    Posts: 65

    Blue-Collar-HotRods
    Member

    Kudos on keeping it mopar powered! Two thumbs up!
     
  20. gasmonkeyrodder
    Joined: Sep 20, 2010
    Posts: 32

    gasmonkeyrodder
    Member
    from uk

  21. gasmonkeyrodder
    Joined: Sep 20, 2010
    Posts: 32

    gasmonkeyrodder
    Member
    from uk

    missysdad1 likes this.
  22. missysdad1
    Joined: Dec 9, 2008
    Posts: 2,850

    missysdad1
    ALLIANCE MEMBER

    Relocating the shock mounts is the most important part of updating the front suspension on these old MoPars. There are kits and there are plans to make your own mounts widely available. Dropped uprights will also help by lowering the car considerably without compromising the ride or driveability. Good progress so far, keep up the good work.
     

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