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Panhard rod for 2" lift?

Panhard rod for 2" lift?

Postby Stefan » 03 Sep 2015 09:11

I'm toying with the idea of getting a 2" lift.

Some of the quotes that I received included both a front and rear Panrod (Panhard rod?) for not insignificant cost.

Would I need to fit new panhard rods for a 2" lift?
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Re: Panhard rod for 2" lift?

Postby Bruin Beer » 03 Sep 2015 09:19

Stephan,
Normally they would state that for up to 2" you don't need replacement panhard rods.
For any lift, due to the angle of the panhard, the axel will move left or right relative to the centreline of the car.
I suspect for up to 2" lateral offset is still within alignment specifications (I stand corrected).
If the cost is low enough I would rather do it and get the diff position centred again.
If they are adjustable so much more reason to spend the few rands. That would give you even more freedom for adjustments and potential corrections.
My few cents.
Hope you come right.
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Re: Panhard rod for 2" lift?

Postby ricster » 03 Sep 2015 10:15

I agree with you, if the cost is minimal, it would be better to do. I stand corrected but this may also ( slightly ) assist in keeping the Patrol in a straight line instead of the normal pull to the left. ( before someone k@ks me out.... I know this wont correct the caster angle from the 2" lift ... :lol: :lol: )
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Re: Panhard rod for 2" lift?

Postby Stefan » 03 Sep 2015 13:01

Thanks gentlemen. The rods are adjustable and over R5,000 each
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Re: Panhard rod for 2" lift?

Postby Peter Connan » 03 Sep 2015 20:39

I doubt you need them for a 2" lift.

Yes, they fix some problems, and Cedric may be right, but I don't it's worth ten grand.
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Re: Panhard rod for 2" lift?

Postby AndriesS » 03 Sep 2015 21:09

Since we have a couple of entrepreneurs here lately , or rather people sharing and assisting the community why don't we just design a insertable adjuster where one can cut the existing panhard rods most likely make them a bit shorter and add a threaded piece in ? I would guess you will need:

The better (sort of) but more costly way: this one you can adjust in situ
Threaded internal inserts to be welded in place in the 2 halves off the panhard (one will need to be lefthand and the other righthand)
1 lefthand and one right hand locknut
The adjuster being a 200mm bar with one half lefthand and one right hand thread

The cheaper option but will require to loosen one end of the panhard if you want to adjust it
2 x Insert with rhd thread
2 x rhd locknut
200 mm adjuster piece , single thread. ( even half can be machined to be the insert on the other side)

This should be fairly easy to fabricate?
Last edited by AndriesS on 04 Sep 2015 11:03, edited 1 time in total.
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Re: Panhard rod for 2" lift?

Postby ricster » 04 Sep 2015 08:40

I've been wanting to do this for ages now.... just never got around to it
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Re: Panhard rod for 2" lift?

Postby Peter Connan » 04 Sep 2015 20:04

AndriesS wrote:Since we have a couple of entrepreneurs here lately , or rather people sharing and assisting the community why don't we just design a insertable adjuster where one can cut the existing panhard rods most likely make them a bit shorter and add a threaded piece in ? I would guess you will need:

The better (sort of) but more costly way: this one you can adjust in situ
Threaded internal inserts to be welded in place in the 2 halves off the panhard (one will need to be lefthand and the other righthand)
1 lefthand and one right hand locknut
The adjuster being a 200mm bar with one half lefthand and one right hand thread

The cheaper option but will require to loosen one end of the panhard if you want to adjust it
2 x Insert with rhd thread
2 x rhd locknut
200 mm adjuster piece , single thread. ( even half can be machined to be the insert on the other side)

This should be fairly easy to fabricate?


The problem with this idea as proposed is that welding I the threaded bushes, if they are drilled large enough internally not to substantially weaken the panhard rod, they will probably pull when they are welded in, meaning that they will need to be re-tapped after the welding.

Thus in my opinion, one would need a "donor set" of panhard rods, which can be modified. This goes into the first guy's car, and his originals then get modified and go to the next guy, and so forth.

I am willing to do the engineering and get the parts made up, but not to do the welding, and I will need a set of panhard rods that I can cut to measure what the internal diameter is.
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Re: Panhard rod for 2" lift?

Postby petrol » 02 Oct 2015 23:46

Hi Peter

You can test on mine, am going to be away the 8th to 10th of october. Will contact you when back to arrange date and time.

Mine is already cut lengthened and welded, but not adjustable, would love to have them adjustable.

Note: the patrol panhard rods are solid rods, no internal diameter.
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Re: Panhard rod for 2" lift?

Postby Peter Connan » 03 Oct 2015 19:41

petrol wrote:Hi PeterNote: the patrol panhard rods are solid rods, no internal diameter.


Serious!

In that case, I don't think it's a good idea at all!

I was under Tommie's car this weekend and noticed that on his car the front panhard rod's chassis end had been replaced with a rod end bearing. And while I am still concerned that this will both reduce the strength of the rod and increase the loads on the chassis, it may well be the only acceptable way to build in adjustment.
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