HD or "normal" 3/4 rear leaf springs

Discussion in 'Suspension, Steering & Brakes' started by r67northern, Sep 13, 2017.

  1. r67northern

    r67northern Full Access Member

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    Hi Everyone,

    I'm going to fix the driver-side lean on my R20 and get the load height back up. I've got a choice of either the normal springs or the Hd springs:

    http://www.sdtrucksprings.com/index...Y2tCRbmyziqV8QOY84tCpwiOurBzNNHxoCeuUQAvD_BwE

    Is there an option code that I should be aware of that might say what the R20 has on it right now? It's 4:10 rear gear option, so it may have HD on it if they were ever a factory option.

    Thanks for any input.
     
  2. twinturbo427

    twinturbo427 Full Access Member

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    Do you have the option sticker in the glovebox?
     
  3. twinturbo427

    twinturbo427 Full Access Member

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    The RPO code should be G50 HD or G51 extra capacity
    Info From a website so verify elsewhere.
     
  4. yevgenievich

    yevgenievich Full Access Member

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    See how many leafs existing leaf pack has. There was an extra leaf on hd
     
  5. r67northern

    r67northern Full Access Member

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    Okay, thanks for the input. I went diggin, found option

    YD6 : REAR SPRING, BASE EQUIPMENT

    So if I go HD, then it won't be stock... but according to the websites, the HD springs have the same leaf count as the normal ones. I'll do a little more double checking, might go HD anyway, it's going to be asked to tow.
     
  6. yevgenievich

    yevgenievich Full Access Member

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    I remember seeing two options for my 3/4 burb, and it was actually different leaf count. But it might have been something different.

    edit:
    For 91 3/4 suburban it shows 5 and 7 leaf packs, but the 5 one is probably for a 1/2 ton
     
    Last edited: Sep 13, 2017
  7. r67northern

    r67northern Full Access Member

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    Right - I'm seeing the reduced leaf count option too - I'm thinking that's for a 1/2 ton as well.
     
  8. Craig 85

    Craig 85 Full Access Member

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  9. r67northern

    r67northern Full Access Member

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    Thanks for the link, great resource. I had run across it before, totally slipped my mind it was there. I'll get the HD springs on it and put her to work.
     
  10. Honky Kong jr

    Honky Kong jr Super Sarcastic Man

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    You don't ask a Chevy it just does it.........
     
  11. r67northern

    r67northern Full Access Member

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    Good point. I'll let it go do its job.
     

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