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  #13  
Old 09-11-2014, 02:41 AM
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Re: MY2014 GC Limited Springs

Looking at the rear tyres, they seem to be getting quite mashed by the load... yeah?

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  #14  
Old 09-11-2014, 03:08 AM
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Re: MY2014 GC Limited Springs

Can't tell for sure but your axle group looks to be about 30cm back from the manufacturers website. This will have a big effect on ball weight, as will the half tonne fuel tank that I'm guessing is in front of the axles? http://westerbergmarine.com.au/weste...rn-aurora-new/
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Old 09-11-2014, 03:10 AM
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Re: MY2014 GC Limited Springs

Wow. Nicely researched!
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  #16  
Old 09-11-2014, 06:53 AM
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Re: MY2014 GC Limited Springs

Yeah nice research. Not quite the same boat but very similar. Trailer is a westerberg trailer and when the photo was taken it probably had about 100l in it. Seen a way to check the tow ball weight with bathroom scales so will have a look when I can. I don't have a weight distributing hitch.
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Old 09-11-2014, 08:02 AM
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Re: MY2014 GC Limited Springs

That is also an issue that is being discussed yet again in the towing thread, from here - The Towing thread.
Once above 2,270kg, you are supposed to have a WDH.
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Old 09-11-2014, 08:42 AM
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Re: MY2014 GC Limited Springs

what is WDH in laymans terms?
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Old 09-11-2014, 09:39 AM
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Re: MY2014 GC Limited Springs

Jarrid, i notice your receiver hitch is positioned on the high side with the tow ball located at the highest setting. What if you rotated the receiver hitch 180 degrees and then bolted the tow ball pointing upwards it would be at a lower position to what your current setup is which could lessen the available ball weight as your trailer weight would be more equal on the tandem axles (or biased towards the forward axle) instead of rearing on the rearward axle (causing more weight on the tow ball).

Just a thought.
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  #20  
Old 09-11-2014, 11:02 AM
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Re: MY2014 GC Limited Springs

Have a read of this for setting up the correct receiver height - hayman_reese_weight_distributing_hitch_instruction s.pdf

This is very helpful too - Tow Vehicle Set Up Guide 2013



Interesting too:

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  #21  
Old 09-11-2014, 03:46 PM
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Re: MY2014 GC Limited Springs

Thanks again. Can't reverse the tow ball as I then can't get the jockey to engage (too low)
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  #22  
Old 09-11-2014, 03:49 PM
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Re: MY2014 GC Limited Springs

Ps I have read that info re the wdh. When I bought the car I got it because it could tow 3.5t. I then got the dealer to supply a tow bar that could tow 3.5t (I think they called it heavy duty or something similar). The tow ball itself says 3.5t on it but the car manual says you need a wdh. I didn't know that until after purchase (about nine months after in fact)

Also, pretty sure I have the same tow ball system as shown earlier in the thread, its a Mopar one manufactured by best bar. Why doesn't it have a big * on it stating anything about the wdh? It has a note about tongue weight but nothing about the 3.5 really being 2.2 unless you have a wdh

Does anyone know if I can upgrade the tow ball to a wdh without having to start from scratch?
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  #23  
Old 09-11-2014, 06:39 PM
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Re: MY2014 GC Limited Springs

OK i have done a bit more research into the WDH. i thought it was a full replacement tow bar system but it appears as though it is just an add on. in terms of how it works, am i right in saying that it uses the struts to effectively increase the lever arm from the axles to where the weight of the trailer acts? i don't quite get it...
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  #24  
Old 09-12-2014, 02:26 AM
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Re: MY2014 GC Limited Springs

The struts on the WDH are under tension effectively transferring towball down weight from the rear axle to the front axle of the tow vehicle.
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