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2nd Gen hitting bumpstops

Discussion in 'Street Trucks' started by Bowers86, Nov 10, 2017.

  1. Nov 10, 2017 at 10:45 AM
    #1
    Bowers86

    Bowers86 [OP] Well-Known Member

    Joined:
    May 23, 2016
    Member:
    #187728
    Messages:
    139
    Gender:
    Male
    Vancouver, WA
    Vehicle:
    2013 RC 2WD 5-speed
    Access Cab Buckets, OE backup cam, AFE Air Filter/Secondary filter removed/Fender Elbow removed, Magnaflow 11225, XII springs/4x4 leafs/XR Bilsteins, Prodigy P3 brake controller, 3.73 Third, Undercover Tonneau, Koomus CD slot iPhone mount, Paint matched rear bumper, Drag 18x9 et20 wheels, 3rd Gen Airdam.
    So I have a slight issue I want some opinions on. I have XII's and '16 rear leafs with a 1" block (not at all that low, probably under a 3" drop) and over highway expansion joints or speed bumps I do occasionally hit the low profile Energy bumpstops. I've even added back the Hellwig 550s to try and stiffen up the rear, but it still just barely kisses them which kinda drives me crazy.

    I've seen some people talk about cutting the stock bumpstop mount and relocating the lowpro stop to the frame. Taking a look it doesnt seem like that will gain me any more travel. How have people addressed this issue without resorting to a notch?

    I'm considering removing the 1" block, because I also tow my Miata and definitely want to not be constantly hitting the bumpstops when loaded down. But I'd like to believe there's a way around it.
     
  2. Nov 13, 2017 at 5:22 AM
    #2
    Gigawatts

    Gigawatts Well-Known Member

    Joined:
    Nov 10, 2017
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    Male
    First Name:
    John
    Vehicle:
    SRunner
    I have a 1st gen lowered srunner, with 4 inch blocks. It hits the bump stops only on large bumps or when on the freeway with a large dip. I'm thinking about going to air struts. Where I can pump them up to make it stiffer.
     
  3. Nov 13, 2017 at 5:05 PM
    #3
    Bowers86

    Bowers86 [OP] Well-Known Member

    Joined:
    May 23, 2016
    Member:
    #187728
    Messages:
    139
    Gender:
    Male
    Vancouver, WA
    Vehicle:
    2013 RC 2WD 5-speed
    Access Cab Buckets, OE backup cam, AFE Air Filter/Secondary filter removed/Fender Elbow removed, Magnaflow 11225, XII springs/4x4 leafs/XR Bilsteins, Prodigy P3 brake controller, 3.73 Third, Undercover Tonneau, Koomus CD slot iPhone mount, Paint matched rear bumper, Drag 18x9 et20 wheels, 3rd Gen Airdam.
    I was thinking about airbags as well, however the clearance between my axle and the bottom of the frame is only something like 2". I could not find specs on airbag systems and what the minimum clearance required is, but 2" seems like a very short distance and I really doubt any off the shelf bag would fit.

    I might sink more money into helper springs and see if a set of Hellwig 1251's or LP-15's could stiffen up the rear enough to prevent bottoming out. I've read that the LP-15 springs are progressive due to the two spring system, so that could maintain ride quality when unloaded and the anti-squat when driving hard or carrying a big load.
     
  4. Dec 7, 2017 at 5:18 AM
    #4
    weazleburger

    weazleburger Well-Known Member

    Joined:
    Dec 19, 2010
    Member:
    #47924
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    199
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    Male
    Baton Rouge, LA
    Vehicle:
    07 base reg cab 5-speed
    Cut the bumpstop brackets off and if it still hits just notch the frame, that way you never have to worry about hitting again
     
  5. Dec 7, 2017 at 10:42 AM
    #5
    hemitruk

    hemitruk Old man , young boi truk

    Joined:
    Oct 17, 2009
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    #24461
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    First Name:
    Kurt
    Hawaii
    Vehicle:
    2010 Dbl Cab Sport,
    A few
    I Dropped my prerunner with TR kit and had same problem . Felt like was hitting bump stops ( with 3 cases of water in rear ) but think it was actually hitting overloads .Notice with certain amount of weight didn't feel like it was hitting . Ride was smooth .So i concluded was hitting overloads.
    Any way picked up hellwig 980 full helper spring and problem solved for me .The way i adjusted it truck raised about a 1/4 in but the ride was better .

    20170903_113349.jpg

    20170809_175841.jpg
     
  6. Dec 7, 2017 at 12:13 PM
    #6
    Bowers86

    Bowers86 [OP] Well-Known Member

    Joined:
    May 23, 2016
    Member:
    #187728
    Messages:
    139
    Gender:
    Male
    Vancouver, WA
    Vehicle:
    2013 RC 2WD 5-speed
    Access Cab Buckets, OE backup cam, AFE Air Filter/Secondary filter removed/Fender Elbow removed, Magnaflow 11225, XII springs/4x4 leafs/XR Bilsteins, Prodigy P3 brake controller, 3.73 Third, Undercover Tonneau, Koomus CD slot iPhone mount, Paint matched rear bumper, Drag 18x9 et20 wheels, 3rd Gen Airdam.
    Hmm... I never thought it could be the overloads doing that. I'll have to check it out again, maybe try to mount the GoPro down there just to conclusively see what's hitting.

    As for helpers, the 980 series isnt compatible with 5-lugs, so I think the next best thing is the LP-15 (which is rated for a 1500lb capacity, versus 2000 for your 980s). Thanks for providing that info though. I'll report back with what I find.
     
    hemitruk likes this.

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