Heavy Springs And Lift Upgrade

Discussion in 'Gen 2 Prius Accessories & Modifications' started by strawbrad, Nov 24, 2019.

  1. Bunce

    Bunce Active Member

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    Link to your channel?
     
  2. Toddwilks

    Toddwilks Active Member

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  3. Toddwilks

    Toddwilks Active Member

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    Everything is out and lift is being installed. Vibe springs will be here Tuesday. Just picked up the compressors at harbor freight. The good news is I can install the new springs with the lift already bolted in.

    I wonder how we find out the oem spring rate vs the matrix/vibe.

    IMG_0807.jpg


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  4. Toddwilks

    Toddwilks Active Member

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    Progress today. The good news is I didn’t kill myself with the spring compressors. I also found a calculator to calculate our spring rate vs the Vibe/matrix set. I’ll be getting them in tomorrow instead of Tuesday.

    View attachment 203394



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  5. SFO

    SFO Senior Member

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    Link to the calculator?
     
  6. Toddwilks

    Toddwilks Active Member

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  7. Toddwilks

    Toddwilks Active Member

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    Pic to come but the new springs didn’t add any height at all with the lift compared to the factory springs with lift kit. The ride is much harsher when not carrying significant weight. I had my cargo box and hitch carrier installed for a test ride the Vibe springs helped a little, but I honestly wouldn’t go out of my way to do this mod unless the weight is significant like the poster with all the batteries in the car.


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  8. Bunce

    Bunce Active Member

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    How much weight is on your hitch carrier?
     
  9. Toddwilks

    Toddwilks Active Member

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    Harbor freight carrier is 30lbs and tractor supply 44in box is 31lbs


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  10. Bunce

    Bunce Active Member

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    And the ride is still harsh with that much weight back there? I was hoping this would be a good fix for when/if I mount a hitch cargo carrier.
     
  11. strawbrad

    strawbrad http://minnesotahybridbatteries.com

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    My sister in law borrowed my empty Prius with the heavy springs and did not notice the difference. My brother in law thought it was sporty.
     
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  12. Pabloguitano

    Pabloguitano Junior Member

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    I’m considering doing this. Has anyone used aftermarket rear shocks to slide the perch on? I am thinking of getting loaded Monroe set and would buy the springs from a junkyard to swap on.

    also does anyone else have any input on rude comfort compared to stock?

    Thanks in advance
     
  13. Pabloguitano

    Pabloguitano Junior Member

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    Ok so i would like to start by thanking everyone for their time and the OP for his impeccable documentation of this post. I have gone ahead and ordered all new KYB loaded suspension all the way around, a brand new set of springs for matrix/vibe, new set of rear KYB struts for satiric/vibe (with the hope i am able to remove the perch from there instead of dissecting a salvaged price) and a set of PriusOffroad lift spaces. I am hoping to have the setup installed a week after next due to weather and none of the parts have arrived yet. I also ordered a tow hitch with the intention of towing a small trailer. I will update with photos and my progress/opinions ASAP.
     
  14. kcallowai

    kcallowai New Member

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    I did read through this thread regarding the lift springs upgrade. I ordered the stock KYB struts and front/rear heavy duty springs for the upgrade but decided in the end to go with the stock KYB struts and the prius offroad lift spacers.... so here I sit with the heavy duty front springs and heavy duty rear springs with shocks complete as I intended on harvesting the perch from each shock.... As it turns out the prius I own originally had a 2nd battery conversion from Greencar in washington so Im pretty sure it had rear heavy duty springs installed as the rear clearance is almost 8 inches... If anyone is interested in these parts, please let me know, thx
     
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  15. black_jmyntrn

    black_jmyntrn Member

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    Yes!!
     
  16. ydpplqbd

    ydpplqbd Active Member

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    kcallowai I am interested. Please list brand, part number and quantity. Thanks.
     
  17. black_jmyntrn

    black_jmyntrn Member

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    Soon as I hear from kcallowai I'm getting them!

    I'm in San Dimas kcallowai, can pickup today if you are ready.
     
  18. Moerice

    Moerice New Member

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    Hello, I'm about to pull another episode of "how broke people become a mechanic by accident" & can you elaborate what you mean here= "I recommend drilling a recess in the rear spacers to allow room for the mounting bolt serrations." English is not my first language and I need to mentally visualize what you did here to slightly lift my rear Prius...

    Sincerely.

    Sincerely.
     
  19. black_jmyntrn

    black_jmyntrn Member

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    I have heavy-duty springs on my Prius after removing the rear lift, and even with my additional cargo weight, no rubbing, I am happy for now. Just need struts/springs and front springs now. After the lift kit and spring spacers still had my rear tires rubbing the fender on drastic highway dips.

    Heavy Duty Springs on my Toyota Prius is a game changer! - black_jmyntrn

    [​IMG]
    [​IMG]
     
    #79 black_jmyntrn, Jun 25, 2021
    Last edited: Jun 25, 2021
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  20. Bunce

    Bunce Active Member

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    The website doesn't tell us anything. Are you planning on doing a full write up?
     
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