BOC4x4 Poisoning (new page 53) 美式放毒區 (第53页新)

BOC

Things to consider when increasing front end lift by turning the torsion bars:

Gaining lift by adjusting the torsion bars is a common practice, however there are several things that you must consider and be aware of if you are going to do this.  Last week, I found out through error what not to do.

Getting front lift is achieved by turning the anchor arm bolt, which increases the pressure on the lower control arm.




When turning up the suspension, it is very important to remember to keep the proper clearance between the upper control arm and the bump stop.  If you do not keep at least a 15mm space (approximately one finger), your ride will be very rough, bouncy and choppy.  The example below does not have the proper spacing.



Another thing to consider is the condition of the anchor arm.  This part will wear out over time.  There is constant flexing on the anchor arm through the torsion bar.  Driving off road will accelerate the rate of wear on this part.  If you are changing your torsion bar to a heavier duty bar, it would be a good idea to replace the anchor arm as well.



In my case, I did everything wrong.  When I upgraded the torsion bar, I used the original torsion bar anchors that were already six years old.  In addition to that, before the weekend event, the Paladin was lifted to match the height of the rear - without considering the bump stop spacing.  And as a result, when I came down over the first hill, there was no travel in the suspension and the torsion bar could not flex.  All of the weight on the suspension was directly transfered to the worn out anchors and .... pop! pop! The torsion bars spun and I was resting flat on the suspension.



[ 本帖最后由 BOC 于 2009-11-4 15:37 编辑 ]

BOC

If you are going to lift the Paladin and you cannot get the lift and the proper bump stop spacing, there is a solution.  In the US, they sell lower profile bump stops to increase the space.



If you are unable to purchase the solution, a lot of off-roaders just cut the OEM bump stop down to create the space.  I did this with my Paladin as a temporary solution until my new bump stops arrive.  I can say that the suspension is performing much, much better now that I have increased the spacing.

城市农民3721

Good illustration. When you change the upper link to a longer one, this space will decrease too, won't it?

BOC

原帖由 城市农民3721 于 2009-11-4 15:57 发表
Good illustration. When you change the upper link to a longer one, this space will decrease too, won't it?

Yes.  I have to tell you that I am almost glad that the torsion bars failed.  I learned a lot about the torsion bar systems and settings because of the problem.  I don't think that I would have learned the information otherwise.  With the cut down bump stops, the Paladin is driving and handling great on the road.  The additional spacing is making a huge difference.  I am going to test it off road this weekend.

I also learned that a lot of the Xterra off-roaders keep one set of anchor arms in their truck - "just in case".

So I now have a spare set of torsion bars and anchor arms in the back of the Paladin - "just in case"

[ 本帖最后由 BOC 于 2009-11-4 16:11 编辑 ]

吉没泥

没看明白。
为什么要长点的上臂，应该短点才对啊。另外这个Stop是限制压缩位置还是舒展位置？另外，既然这个扭杆支架这么容易坏，为什么没有加强版的呢？

BOC：
Is there any strengthened torsion bar anchor available in NA?

城市农民3721

上臂长了才下压达到升高的目的哦，画个四边形试试，呵呵。

BOC

原帖由 吉没泥 于 2009-11-4 16:33 发表
没看明白。
为什么要长点的上臂，应该短点才对啊。另外这个Stop是限制压缩位置还是舒展位置？另外，既然这个扭杆支架这么容易坏，为什么没有加强版的呢？

BOC：
Is there any strengthened torsion bar anchor  ...

There was only one company in the US making the high performance anchor.  Unfortunately they went out of business early last year.  I have been on the phone with several companies to fabricate anchors of higher grade materials, but so far no one wants to make them.

From what I read online, after they change the anchor, most people can go another three to five years before the part wears out again.  So it is not a serious problem.

[ 本帖最后由 BOC 于 2009-11-4 16:55 编辑 ]

willeon

Hey, BOC, I'm waiting your installation report of overhead console, once you finished the test or installation, pls tell me... I like it very much! waiting your good news~~

BOC

I bought a hand-held radio for the Red Cliff weekend trip.  It is something that I have needed to get for awhile.  Now I won't have to borrow a radio every time I go out.  This weekend in Beijing, I am hoping that there will be some ideas for a way to mount it in the Paladin.

little_cat

BOC有米银啊，尽是好东西！

BOC

I just finished installing a new low profile top rack for the Paladin.  Because the Paladin sits so high, I needed a rack that is not very heavy and not very tall.  This rack is made of aluminum to keep the weight low.  The bars are 25mm diameter with 3mm walls and the side pieces are 3mm thick.  After the bars and side pieces were welded together, it was finished in black powder coat.  I used eye bolts to fasten the rack to the original Paladin roof bars.  The eye bolts give me a lot of tie-down points along both sides.

I want thank xiao Yu for spending two whole days going with me to several places in Shanghai.  He was a great help in getting this rack made and finished quickly!

[ 本帖最后由 BOC 于 2009-11-11 15:27 编辑 ]

目的地西藏

This real stick

little_cat

BOC自己加工生产的？跟我的二麻牌好象不太一样呀！

目的地西藏

原帖由 little_cat 于 2009-11-11 15:25 发表
BOC自己加工生产的？跟我的二麻牌好象不太一样呀！

这是BOC自己加工的，似乎做工比二麻牌更加细致，就是安装有点麻烦...

BOC

原帖由 little_cat 于 2009-11-11 15:25 发表
BOC自己加工生产的？跟我的二麻牌好象不太一样呀！

Yes, this is my own design.  I liked the  二麻牌 rack very very much, but my Paladin is already too high.  I needed to make something with a lower profile.

是的，这是我自己设计的。我很喜欢二麻牌行李架，但是我的帕拉丁改裝後，如果加上二麻的架子就太高太高了,  所以我需要做一個低一點的才行。

[ 本帖最后由 BOC 于 2009-11-11 15:39 编辑 ]

cdcygsy

可否团购?

抄收了

这个行里架是铝镁合金做的,重量我没有称过大约重量不超过10KG,所有材料的厚度都比国内一般厂家要厚1MM左右

抄收了

安装是他自己要求安装成这样的,可以安装简便的多

让心放飞

顶哐与二麻砣各有特色,二麻砣的显得比较粗犷大气,BOC用料考究重量更轻不易生锈,环型镙丁适用性强.

willeon

BOC牌的顶框蛮耐看的啊，如果最后面的位置是折上来的框状，就更好了