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Technical Was about to pull the trigger on a Posies slider springs for my ‘57 Chevy PU...

Discussion in 'The Hokey Ass Message Board' started by Budget36, Oct 5, 2020.

  1. Budget36
    Joined: Nov 29, 2014
    Posts: 4,237

    Budget36
    Member

    But a buddy who has a ‘59 has a mono leaf spring in the front and says it’s a great ride. I prefer the idea of two springs.

    Opinions?
     
  2. I have always heard that the Posies ride way better than mono leaf springs. My kids 51 has Posies, but we haven’t driven it yet to tell you what I think for sure.
     
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  3. gene-koning
    Joined: Oct 28, 2016
    Posts: 2,021

    gene-koning
    Member

    I've never been impressed with any mono leaf spring, and I've seen a lot of them. In my opinion, they are expecting a lot from a single piece of spring steel on both sides of the ride, and the results have proved that to be the case.

    The Posies super sliders I've seen and talked with owners about are reported to be very nice springs. Gene
     
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  4. custom_lettering
    Joined: Jul 7, 2008
    Posts: 365

    custom_lettering
    Member
    from Wall, NJ

    The guy I bought my 55 PU from put monos on and hated them. He took them off and installed Posie super sliders. The truck rode great and even better when I put Bilstein shocks on it.
     
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  5. 59Apachegail
    Joined: Apr 30, 2011
    Posts: 1,364

    59Apachegail
    Member
    from New York

    Another vote for SuperSlides and Bilstein shocks. I only have fronts done so far and the ride is night and day already.
     
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  6. HemiRambler
    Joined: Aug 26, 2005
    Posts: 4,197

    HemiRambler
    Member

    Get some feedback from people with the same vehicle and springs you wanna run - makes a BIG difference.
     
    Budget36 likes this.
  7. Budget36
    Joined: Nov 29, 2014
    Posts: 4,237

    Budget36
    Member


    That’s what I’m doing;)
     
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  8. Mr48chev
    Joined: Dec 28, 2007
    Posts: 27,520

    Mr48chev
    ALLIANCE MEMBER

    Just thinking that back when the Mono leaf Nova days a lot of guys pulled the Mono leaves out to go with regular spring packs but I didn't know anyone who went the other way.
     
    Budget36 likes this.
  9. louisb
    Joined: Oct 13, 2008
    Posts: 996

    louisb
    ALLIANCE MEMBER

    For my '51 GMC I went with the posies springs all the way around. I don't like the idea of a monoleaf.
     
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  10. Budget36
    Joined: Nov 29, 2014
    Posts: 4,237

    Budget36
    Member

    Do you recall what Bilstiens you used?
     
  11. 59Apachegail
    Joined: Apr 30, 2011
    Posts: 1,364

    59Apachegail
    Member
    from New York

    I got mine from Posies, it looks like they make the eyelet or send them out to have it done.

    E2718978-A342-4A71-A93B-BC731F1920A7.jpeg
    I noticed the model number is not clear:
    7E996924-27AE-49A5-97A7-3BE48D51A1B7.png
     
    Budget36 likes this.
  12. I have Posies all around, super slides on the front of my 56. Rides really good for a low strait axle truck

    04B5B5A1-1D71-47D3-9571-AD2A6241D7B0.jpeg
     
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  13. rusty rocket
    Joined: Oct 30, 2011
    Posts: 3,973

    rusty rocket
    Member

    I’ll be the different one here. I have a mono on my 32 sedan and it rides nice. Had a posies on a 47 coupe years ago and thought it rode ruff. I built it when I was a kid so I probably had built something incorrectly.
     
  14. Since the front brakes do the majority of the stopping consider this. Spring wrap and recoil during a panic stop. CalTrac's up front anyone? :confused:
     
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  15. HemiRambler
    Joined: Aug 26, 2005
    Posts: 4,197

    HemiRambler
    Member

    Yes, but you need to go further. What motor? Radiator? everything that could change the weight on the front end.
     
  16. Budget36
    Joined: Nov 29, 2014
    Posts: 4,237

    Budget36
    Member

    Yes, I need to talk to Posies, has a modified MH radiator to fit, BBC/TH400. I looked at their site but didn’t see examples of what a 3 or 6 inch drop “ from stock” looked like. I think they have 3 and 6.

    At this point my main objective is to lower the truck a bit and have a better ride. I liked the look of the mono leaf heights I’ve seen, so now need to see the same for the Posie to get me where I want to be
     
  17. louisb
    Joined: Oct 13, 2008
    Posts: 996

    louisb
    ALLIANCE MEMBER

    After talking with Sid from Sid’s dropped axles, I went with a 3” dropped springs and one of his 3” dropped front axles. This should put the truck sitting so the fender line is right above the wide white wall on the tires and keep anything from hanging below the scrub line. I still plan to use the truck for light duty hauling and towing so I didn’t want to slam it. You might give Sid a call and talk to him. He specializes in these old trucks.



    Thanks,
    -louis
     
    Last edited: Oct 7, 2020
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  18. 59Apachegail
    Joined: Apr 30, 2011
    Posts: 1,364

    59Apachegail
    Member
    from New York

    Mine came down quite a bit. I didn’t actually measure however I don’t fit under it anymore after the upgrade and getting in and out is easier.
    E9FC2374-33CA-4200-BC57-CA65D9F92F56.jpeg
    8B84BB71-80DB-4A58-8645-103FA6A898C1.jpeg
    44E7E267-1C05-4498-96FA-368119D9A18B.jpeg
    Shock stud to shock stud is 13”

    *For the very observant, the spring clamp was replaced.
     
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  19. Budget36
    Joined: Nov 29, 2014
    Posts: 4,237

    Budget36
    Member

    @59Apachegail

    That’s right about where I want mine. That’s the 3in posies, or?
     
  20. 59Apachegail
    Joined: Apr 30, 2011
    Posts: 1,364

    59Apachegail
    Member
    from New York

    @Budget36 Hey, yes that’s the ones! If you mess with your axle it causes other changes. I opted for this route so could keep everything stock (with exception of discs but that was my choice, not required).

    **Shore up your shock hangers if you have not already. If you look in my suspension thread I shared a bunch of pictures. The reason those things break is because they fill up behind with dirt and rust from inside.**
     
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  21. Budget36
    Joined: Nov 29, 2014
    Posts: 4,237

    Budget36
    Member

    Yes on extra stuff to do with a dropped axle, plus these have quite a drop anyway, I think they look a bit odd dropped more. I’ll be make new shock mounts tho, mine are ok, but I’m going to see how my current coil over shocks ride with different springs and go from there before I buy new ones.
    Thanks!
     
    59Apachegail likes this.

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