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 Bolting also to the pinch seam?
#462771
06/11/04 05:51 PM
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Joined: Jul 2000
Posts: 388
OP
Mudrunner
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I have a guy working on some rock sliders for me. He is thinking of mounting mainly to the frame but also bolting to the pinch seam. Is that a good or bad idea?
Steve
98 LS Montero Sport
32" MTRs
2" shackle lift
ARB bumper
Custom Rock sliders
Custom rear bumper
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 Re: Bolting also to the pinch seam?
[Re: skidplate98]
#462772
06/11/04 06:22 PM
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Joined: Jan 2000
Posts: 16,227
Web Wheeler
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Bolting to the seam is unecessary if the unit's made and attached properly and it's simply added labor cost for you.
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Re: Bolting also to the pinch seam?
[Re: off-roader]
#462773
06/11/04 06:26 PM
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Joined: Feb 2001
Posts: 9,781
Mitsubishi Forum Moderator
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I dont think it is necessary, but I also dont think it will cause a problem.
Our frame dont get much flex like other trucks that aren't boxed so I wouldn't worry about it damaging things.
At the same time the engineers that designed the truck isolated the body from the frame for several reasons. I expect that it would effect your ride quality for the worse.
DougH
1997 SR - Current Lawn Ornament
1995 SR - RIP
1993 RS - RIP
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Re: Bolting also to the pinch seam?
[Re: DougH]
#462774
06/11/04 06:33 PM
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Joined: Jan 2000
Posts: 7,309
Trail Leader
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I would also be worried about dirt/rocks/grit accumulating between the body and the slider, and the resultant "erosion" of the bodypanel... <img src="/forums/images/graemlins/confused.gif" alt="" />
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Re: Bolting also to the pinch seam?
[Re: off-roader]
#462775
06/11/04 06:59 PM
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Joined: Jul 2000
Posts: 388
OP
Mudrunner
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So in your opinion what is a well made and attached properly rock slider? Bolting to the seam is unecessary if the unit's made and attached properly and it's simply added labor cost for you.
98 LS Montero Sport
32" MTRs
2" shackle lift
ARB bumper
Custom Rock sliders
Custom rear bumper
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Re: Bolting also to the pinch seam?
[Re: skidplate98]
#462776
06/11/04 08:20 PM
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Joined: Feb 2004
Posts: 10,238
Web Wheeler
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I've never even seen a pair of sliders up close and personal, but if I decided to use 'em, there's no way in this world I'd let anyone bolt them to the body seam..... that's just asking for rust - not to mention that any pressure on the seam might bend the lower body. Make sure they're braced well enough and trust 'em to take the weight before touching the body.
Just my opinion.
Frank
'89 [color:"white"]G-Raider[color:"white"] [color:"black"]Supercharged 3.0L, MegaSquirt 2, lockup A/T, 2.5" exhaust, 172k, Cibie H4s/Oscar SCs, Hella Micro DE fogs, Cobra CB, Superwinch hubs, LSD rear/Aussie Locker front, Bilsteins, Lifeline AGM, Rust-Oleum
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Re: Bolting also to the pinch seam?
[Re: skidplate98]
#462777
06/11/04 08:37 PM
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Joined: Jan 2000
Posts: 16,227
Web Wheeler
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Skidplate...Yes. Bear in mind, I'm coming at this from the kind of trails and wheeling I do. Mine are made using 1/4" wall 2x2 square tubing, w/ 2 attachment points welded to the frame. (I've got a long wheelbase LWB) During impact there is some deflection (less than 1/8" and the clearance to the seam is about that. If it were attached, my seam would be bent along the whole length an 1/8". Some say that you'll have added strengh because being attached to the seam add's to the overall strength but I believe in the weak link theory. i.e. the weak link will fail first. <img src="/forums/images/graemlins/kewl.gif" alt="" />
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Re: Bolting also to the pinch seam?
[Re: FrankR]
#462778
06/11/04 08:45 PM
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Joined: Jul 2000
Posts: 388
OP
Mudrunner
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I agree! I've never even seen a pair of sliders up close and personal, but if I decided to use 'em, there's no way in this world I'd let anyone bolt them to the body seam..... that's just asking for rust - not to mention that any pressure on the seam might bend the lower body. Make sure they're braced well enough and trust 'em to take the weight before touching the body.
Just my opinion.
Frank
98 LS Montero Sport
32" MTRs
2" shackle lift
ARB bumper
Custom Rock sliders
Custom rear bumper
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Re: Bolting also to the pinch seam?
[Re: off-roader]
#462779
06/14/04 04:42 PM
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Joined: Jul 2000
Posts: 388
OP
Mudrunner
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If you have a long wheelbase. Why did you only use 2 attachment points welded to the frame. Three is minimum in my book. I think I will have 4 attachment points welded to the frame. Steve Skidplate...Yes. Bear in mind, I'm coming at this from the kind of trails and wheeling I do. Mine are made using 1/4" wall 2x2 square tubing, w/ 2 attachment points welded to the frame. (I've got a long wheelbase LWB) During impact there is some deflection (less than 1/8" and the clearance to the seam is about that. If it were attached, my seam would be bent along the whole length an 1/8". Some say that you'll have added strengh because being attached to the seam add's to the overall strength but I believe in the weak link theory. i.e. the weak link will fail first. <img src="/forums/images/graemlins/kewl.gif" alt="" />
98 LS Montero Sport
32" MTRs
2" shackle lift
ARB bumper
Custom Rock sliders
Custom rear bumper
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Re: Bolting also to the pinch seam?
[Re: skidplate98]
#462780
06/14/04 05:04 PM
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Joined: Jan 2000
Posts: 16,227
Web Wheeler
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If you have a long wheelbase. Why did you only use 2 attachment points welded to the frame. Three is minimum in my book. I think I will have 4 attachment points welded to the frame. Well, the fact there's 3. My bad. I was thinking 3 and typed 2. That's what happens when you're in a rush while typing... Sorry. <img src="/forums/images/graemlins/ignore.gif" alt="" />:D FWIW, 3 is definitely strong enough imho especially with the hard core trails I've been doing. One thing you want to consider doing, is going w/ 4 and welding in a "through bolt" setup. This way you can remove and repair the bars as needed otherwise, I think 3 is enough. Ray <img src="/forums/images/graemlins/patriot.gif" alt="" />
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