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  1. #1
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    Default sill protection for a vehicle that doesnt have mounting points for rock sliders

    Hey all

    I've got an Isuzu Trooper which I've been enjoying quite a bit recently, but unfortunately, as my confidence and driving skill (hopefully) increases, I've managed to get a few dings in my sills.
    Obviously the addition of rock sliders is the solution, but I've been to a few people about this and they all say the same thing... my rear trailing arms are on the frame in a spot which prevents me mounting the rear of the rock slider. So in short, if I want rock sliders, I need to redesign the rear suspension or get a different vehicle. Neither are option that I want at the moment.

    Has anyone come up with alternative arrangements?

    I had the thought of tig welding 2mm steel strips to the sill, along its full length, building it up to 6mm or 8mm thick. If I hit these, they should disperse the load enough to hopefully keep the sill straight(ish)

    Any thoughts??

  2. #2
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    Default Re: sill protection for a vehicle that doesnt have mounting points for rock sliders

    Why not modify the sliders to accommodate the suspension design?
    At least you will protect the majority of the sill then.

  3. #3
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    Default Re: sill protection for a vehicle that doesnt have mounting points for rock sliders

    I dont have any sliders and the people who Ive spoken to who build custom sliders wont touch the car because of the lack of mounting point for the rear mount (again, due to the suspension design)

  4. #4
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    Default Re: sill protection for a vehicle that doesnt have mounting points for rock sliders

    5mm steel plate bent to fit the sill and sika-flexed on.
    Beat-up rat rod of a '96 Nissan Patrol that bears the evidence of many wonderful adventures (and a few stupid indiscretions).

  5. #5
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    Default Re: sill protection for a vehicle that doesnt have mounting points for rock sliders

    Quote Originally Posted by Peter Connan View Post
    5mm steel plate bent to fit the sill and sika-flexed on.
    thats actually not a bad idea, thanks

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    Default Re: sill protection for a vehicle that doesnt have mounting points for rock sliders

    Most rock-slider designs for the Disco 1 and 2 only attach the slides to the body and not the chassis. They use a channel section to to fit over the sill and that spreads the load of a strike from a rock. The sill on a Disco 1 and 2 is built in a box section so this design works perfectly. I don't know what the sill on your vehicle looks like but it's a design you can look at adapting.
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  7. #7
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    Default Re: sill protection for a vehicle that doesnt have mounting points for rock sliders

    maybe post a picture of the chassis and suspension that is supposedly causing the issue

    the clever guys will then come tell us what to do

  8. #8
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    Default Re: sill protection for a vehicle that doesnt have mounting points for rock sliders

    I've taken a few pics and hopefully they come out here in the thread.

    I've been looking online and it seems that anyone who has ever made sliders for the Isuzu Trooper has had to weld them to the frame and some even bolt them to the body sill too.

    I still dont really know where to go from here...
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  9. #9
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    Default Re: sill protection for a vehicle that doesnt have mounting points for rock sliders

    Last edited by Francois Theron; 2021/06/05 at 01:26 PM.
    There is never a right time to do the wrong thing and never a wrong time to do the right thing!

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  11. #10
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    Default Re: sill protection for a vehicle that doesnt have mounting points for rock sliders

    Speak to me when you're back
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    Default Re: sill protection for a vehicle that doesnt have mounting points for rock sliders

    I stand by my first suggestion, but if for some reason you don't wat to do that, you can make brackets which sandwhich between the lower surface of the body mount ant the rubber (such that it feeds the upwards forces int to the chassis at points pretty close to the body, coupled with at least two brackets which clamp around the chassis members, so that they react the moment caused.

    Note that on a vehicle like this, you cannot mount the slider to both body and chassis, as the body moves a surprising amount relative to the chassis. You also ne3d at least 10-15mm clearance between the sliders and the sills if you mount the sliders on the chassis.
    Beat-up rat rod of a '96 Nissan Patrol that bears the evidence of many wonderful adventures (and a few stupid indiscretions).

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  14. #12
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    Default Re: sill protection for a vehicle that doesnt have mounting points for rock sliders

    Quote Originally Posted by Peter Connan View Post
    I stand by my first suggestion, but if for some reason you don't wat to do that, you can make brackets which sandwhich between the lower surface of the body mount ant the rubber (such that it feeds the upwards forces int to the chassis at points pretty close to the body, coupled with at least two brackets which clamp around the chassis members, so that they react the moment caused.

    Note that on a vehicle like this, you cannot mount the slider to both body and chassis, as the body moves a surprising amount relative to the chassis. You also ne3d at least 10-15mm clearance between the sliders and the sills if you mount the sliders on the chassis.
    I do really like your first suggestion. I'm just exploring all possibilities.
    The original idea was sliders - I'm still researching the original, but I havent written off the sika'd plates yet

  15. #13
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    Default Re: sill protection for a vehicle that doesnt have mounting points for rock sliders

    Quote Originally Posted by Snyks View Post
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