GT350R Springs for GT (high rate, minimum lowering)

Discussion in 'Suspension, Brakes & Chassis' started by valentinoamoro, Oct 12, 2016.

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  1. strengthrehab

    strengthrehab Well-Known Member

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    Do you, boo.

    Run the springs you want. Dont care what others think.
     
  2. Jonyxz

    Jonyxz Well-Known Member

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    Here's a few...sorry, dont know how to link them so just quoting:

    Gt350R/SP088 (240/800)

    194/728 is a very similar f/r frecuency ratio to oem GT350R 240/890.
    The fact steeda offers a 200/800 with a 1 inch drop but dials down to 200/750 with 1/2 inch makes me think the reason to increase to 800 is for the increased drop.
     
  3. Jonyxz

    Jonyxz Well-Known Member

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    After further reading and reading and reflecting I think I'll stick to the advise of changing dampers only and getting a feeling for that first.
    If I feel I'm still longing performance I'll eventually go with the 200/800 setup.
    Thank you all for the good advises.
     
  4. Bluemustang

    Bluemustang Well-Known Member

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    I say go straight to SP083s all around and FP dampers and don't look back. Embodies the spirit of what this thread is about - high rate, minimum drop. You can't get any better than this for a standard size, linear spring.
    I call it GT350R+. The ride frequencies are well balanced and a definite handling improvement.
     
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  5. Jonyxz

    Jonyxz Well-Known Member

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    I know its a tested and appreciated setup. However, it feels like a risky choice (without testing) considering the roads around here. But I agree: its the spirit of this thread.
     
  6. Bluemustang

    Bluemustang Well-Known Member

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    Yeah. And that's a subjective thing to a certain degree. Also, if the roads are really bad, I find it difficult to go fast i.e. actually utilize the handling improvement.
     
  7. KellTrac

    KellTrac Well-Known Member

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    So I picked up a 2020 GT PP1 car to play with. First round of mods (suspension) are on order.

    -GT350R Front Springs
    -GT350R Front SwayBar
    -GT350 Monotube Front Struts
    -BMR Camber Plates
    -BMR Adjustable Bar End Links

    -GT350R Rear Springs
    -GT350R Rear SwayBar
    -2020 PP Rear Shocks
    -BMR Adjustable End Links
    -BMR Rear Camber Lockout Kit
    -BMR Toe Rods w/ FP Toe Bearings
    -BMR RLCA Bearings

    From a performance stand point, I really like the stock PP rear shocks. Always have.

    I was actually planning on getting the M-18000-F FP Track Damper kit, but they are like "35 days out" apparently.

    This combo I have chosen, I feel is perfect for a nice performing streetcar.
     
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  8. shogun32

    shogun32 Well-Known Member

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    you lost me. Your PP1 already has 'pp rear shocks'. And you like them? Eek, they are the worst part of the whole package. And you're expecting them to cope with even higher spring rates? The Steeda pro-action adjustables will do as well and aren't backordered AFAIK.

    I note the lack of any shifter, IRS or differential fixes. Any particular reason why?
    You don't need to use the 'puck' differential kits - they make very noticeable (if intermittent) noise, but at least do the bolt upgrade with the bushing that fixes Ford's gaff.

    For what it's worth I have a spare set of Steeda pro-Actions in a box with low miles on them.
     
  9. KellTrac

    KellTrac Well-Known Member

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    I have extensively tested the PP rear shocks. On shock dynos and on track, and drag racing - etc.

    I don't really see why people do not like them, personally. I see people ramble on about how various parts arent this, or arent that....and most often times I see people blame some parts for something that is totally caused by a part they don't even mention.

    I think the OE PP rear shock could have a bit more extension controlling forces. If it did, it would be a homerun.

    As for the IRS stuff, down the road I may tinker with some stuff. I have developed a lot of stuff for people already, but I never stop learning.

    As for the Steeda (Konis with a little change to call them different) dampers, I am good.
     
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  10. shogun32

    shogun32 Well-Known Member

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    If you wouldn't mind posting the damper curves that would be fabulous.
     
  11. KellTrac

    KellTrac Well-Known Member

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    This is a 2015 base shock (solid) vs 2015 PP GT (dotted).

    Ive had a 15, 16 and now 20 model year PP.

    This 2020 is amazing compared to the previous models. :) PP vs Base~2.jpg
     
  12. Brian@BMVK

    [email protected] Well-Known Member

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    Every time I see this I'm amazed at how (unnecessarily) firm those PP rears are on compression, and just barely enough on low speed rebound.
     
  13. shogun32

    shogun32 Well-Known Member

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    after only 2 days I'm about to rip the pro-Actives off the EB in disgust.
     
  14. Brian@BMVK

    [email protected] Well-Known Member

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    We could've saved you the money lol...
     
  15. givemeadollar

    givemeadollar Well-Known Member

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    m-18000-f and bmr sp083 is the perfect combination, Brian recommends it and it works wonders.
     
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