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Old 04-12-2014, 06:41 PM   #251
bigtex
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Default Re: Snowbears Duce

Oh the pull pall thing right?
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Old 04-13-2014, 11:12 AM   #252
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Default Re: Snowbears Duce

Well the tranny is coming out for the 4th time. This oil leak is kicking my arse


BT, yes. I'm not using that name so I avoid any probs with the business that makes those
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Old 04-13-2014, 12:35 PM   #253
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Default Re: Snowbears Duce

A 4th time?
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Old 04-21-2014, 12:07 AM   #254
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Default Re: Snowbears Duce

Bending toob for the brow bars and roof rack.

For the A-pillar



upper brow



A trick they won't teach you in fab school. You need a 1/8" cut and only have 1/16" cut off wheels. Make the cut with the 1/16 wheel. Then mount two, one smaller than the other by just a little bit. Follow your first cut with the large disk and let the smaller one open it up to the full width. Note this only works with flat discs

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Old 04-21-2014, 12:15 AM   #255
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Default Re: Snowbears Duce

I didn't take time for pics after it was mounted. From the trail



Unfortunately the wipers make just enough contact to stop them from working. I will need to shorten the swing alittle. That's gonna require pulling the panel under the bar
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Last edited by snowbear; 04-21-2014 at 12:18 AM.
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Old 04-21-2014, 10:03 AM   #256
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Default Re: Snowbears Duce

Can you just cut and shorten the wiper arm?
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Old 04-21-2014, 03:04 PM   #257
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Default Re: Snowbears Duce

Quote:
Originally Posted by chadcmb View Post
Can you just cut and shorten the wiper arm?
only if I lower the seats
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Old 04-21-2014, 07:14 PM   #258
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Default Re: Snowbears Duce

That grinder tricks kinda neat, never thought of that.
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http://www.pirate4x4.com/forum/ford/...bler-tech.html
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Old 09-23-2014, 06:14 PM   #259
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Default Re: Snowbears Duce

Starting the new subframe. It is a major pain to drill holes upside down. This to do 1/2" in one shot.

Working smarter, not harder

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Old 10-08-2014, 08:05 PM   #260
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Slow progress on the new link mounts







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Last edited by snowbear; 10-08-2014 at 08:07 PM.
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Old 10-23-2014, 10:49 AM   #261
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Default Re: Snowbears Duce

nice n solid scott looks good .
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Old 11-15-2014, 09:34 AM   #262
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The final product. Now to bolt it all back together. I still have to remove the old cross member and fab a t-case mount into this new one. Figured I'd test this first to see if moving the roll center really reduces body roll.

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Old 11-15-2014, 11:51 AM   #263
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Default Re: Snowbears Duce

I like the "anti-gravity device+ on the drill, cross member looks killer.
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Old 11-15-2014, 03:16 PM   #264
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Default Re: Snowbears Duce

Thanx Shack.

I am most unhappy to report that dropping the lower links didn't reduce the body roll one iota

I guess a sway bar is next
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Old 11-15-2014, 05:29 PM   #265
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Default Re: Snowbears Duce

Do you think the front or rear is causing it the most? Do you think raising the uppers would help more with the roll center since the weight is higher? Maybe lowing the limit straps and raising spring rate or psi in bags would help. A sway bar would for sure. Im in the same spot. It's not bad but I want it better.
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Old 11-15-2014, 07:34 PM   #266
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Default Re: Snowbears Duce

I think its mostly from the rear but the link angles and COG are a big part too. There is no upward resistance to the air bags. If I let the air out or pressure up till the limit straps are tight then there is no roll.

The high COG makes it worse. Kinda like a multiplier. It's hard to describe... when going down the road slight steering input doesn't do much but there is a point where turning causes the COG to shift and the rig just lays over. At that point the rig is totally unstable and barely controllable.

I've considered a heavily dampened rear shock but I don't think it would do enough. I doubled up the rear shocks and it only made a tiny difference.

Front C/Os, I changed to a stiffer upper spring and it helped. I think I could stiffen the front to the point where it controls the rear but would defeat the purpose of the whole link design. I think I could improve handling with rear C/Os. There is still the unloading problem due to high COG.

At this point a sway bar is probably the only thing I can do. Fitting it has a big domino effect, move the exhaust to fit the bar, move the air reservoir to fit the new exhaust, etc etc

What I need is an inverted air shock. One that pulls down as pressure is increased.
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Old 11-15-2014, 10:27 PM   #267
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Default Re: Snowbears Duce

I'm in for some sway bar tech. I found some formulas for it.
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Old 11-16-2014, 03:16 PM   #268
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Default Re: Snowbears Duce

Spent a little time playing with C/O springs and air in the bags. I am 100% that the problem is with the air bags. Yeah the link design contributes but there is pretty much nothing I can do short of a massive sub frame to bring the link angles to near 0 degrees.

While I was fiddling around I figured it was time to weigh the beast. Holy heavy batman, 8050# That's with a little over 400# of fuel on board and one battery.

Learned some interesting things. The rig is almost perfectly balanced front to rear. The axles weights are near identical, ~1600#. I would have thot that will all the steel for the steering the front would have been heavier. But I guess the longer links, F700 rotors, F450 calipers and the .5" plate upper link mount in the rear balanced it out.

Yeah, time to start looking at sway bars
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Old 11-16-2014, 03:27 PM   #269
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Default Re: Snowbears Duce

Heres the formulas I mentioned. http://www.pirate4x4.com/forum/gener...ard-parts.html
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Old 11-16-2014, 06:23 PM   #270
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Default Re: Snowbears Duce

Do some reading on Mumford linkage. Might be easier, real estate wise, than installing a panhard bar to 5 link your suspension an counteract the body roll.

Sweet rig by the way. You do nice work.

Last edited by needcoffee; 11-16-2014 at 06:24 PM.
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Old 11-16-2014, 11:54 PM   #271
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Default Re: Snowbears Duce

HA, those formulas are WAY too much for me as is the mumford design. It looks like the mumford is more suited to street car performance. Hard to see it scaling up to something w/20+ inches of articulation.

So after hours of searching I think I found a place to get a bar and arms, TK1 Racing. I like the two part arms. If for some reason I need to change them, like from straight to boomerang, I can fab up new parts.

On shipping, if to a residence it is 169$, to a business 32$. We run a business out of our residence so do I select business?
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Old 06-03-2015, 09:57 PM   #272
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Suspension building, the struggle is real


Attached Images
  
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Last edited by snowbear; 06-03-2015 at 10:06 PM.
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Old 04-02-2016, 12:51 AM   #273
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Default Re: Snowbears Duce

Did you ever get the body roll issue figured out Scott? We have been experiencing the same issues with my dads buggy and been trying to figure out witch direction to go. So far its either run sway bars or try those ori struts. Im hoping to get his figured out before i get to the point in my build were i need to choose my shocks. Any suggestions would be very helpful. Thanks.
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Old 04-02-2016, 09:36 AM   #274
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I put a custom made sway bar in the rear. It made a huge improvement. Putting stiffer springs in the front will balance mine out just haven't spent the dollars.
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