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EL AU V EF XR Upper trailing arms. 

 

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 Post subject: EL AU V EF XR Upper trailing arms.
Posted: Sun Oct 10, 2010 1:34 pm 
Getting Side Ways
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Got a EF XR6, I am fitting an AU diff and have got the EL/AU XR upper trailing arms. I have noticed the EF XR6 arms dont have the link eyes running paralell to each other but the EL/AU XR arms do, what other parts will I need to make the EL/AU ones fit.

 

 

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 Post subject: Re: EL AU V EF XR Upper trailing arms.
Posted: Sun Oct 10, 2010 9:32 pm 
Getting Side Ways
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That is very strange. All of the E Series upper control arms I have seen have the eyes parallel.

Very odd.

The EF XR6 has the same upper control arms as the other models and there was only one mount point on the diff bracket.

The EL XR6 however has two mount points on the upper diff bracket, and two different upper control arms.

The EL STD control arm is 20mm shorter than all the other E Series upper control arms and gets bolted to the forward bolt hole on an EL diff.

The EL XR control arm is the same length as the other E Series upper control arms, but has a kink on the diff end as it bolts to the rearward, lower bolt hole on the EL diff. This was done to correct the pinion angle and the kink allows for clearance of the diff tube at full suspension compression.

Here are couple of pics.

The left one is the EL STD arm, the right is the EK XR arm.
Image

Image


Unfortunately, the EF XR6 diff only has the one upper control arm mount point. It is possible late Series 2 EFs got the EL diff mounts. If you only have the one mount point. you will need to drill new holes to the back and lower on the upper bracket. I would recommend having a look under an EL to see what I mean.

I hope this helps a bit, but I think it may actually end up being more confusing.

Cheers
BenJ

 

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 Post subject: Re: EL AU V EF XR Upper trailing arms.
Posted: Sun Oct 10, 2010 10:40 pm 
Getting Side Ways
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PM TerroristGHIA. He has fitted an AU diff into his EF and it is all bolted in and working of sorts.
Find out what he did.

 

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 Post subject: Re: EL AU V EF XR Upper trailing arms.
Posted: Mon Oct 11, 2010 12:43 pm 
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I've got an EF xr6 at home that was pulled to bits. I always thought the upper arms were strange as theyre short but i thought they were all 340mm versions. I guess they must all be like that seing yours look the same, i thought someone put El 320mm arms on but i guess theyre standard :P.
On the front end of the upper arm mount on the body, there is a bracket so it can be bolted to the body even though the arm isn't parralel. Now the EF has an EL diff on it with the normal 340mm arms. If you remove the bracket from the body the 340mm arms will go straight in since they didnt seem to change the design of the body just put a bracket on there. Another weird thing is the EF didn't have a lowered dif hat pivot, just the standard one.

On another note the EF also only has 1 bolt hole where the ED and EL have the second lower one. If you look on autospeed they put the whiteline XR arms with the lower bolt hole on the dif and the car handled a lot better. This seems a bit weird to remove it if it makes the car handle better.

 

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 Post subject: Re: EL AU V EF XR Upper trailing arms.
Posted: Tue Oct 12, 2010 8:09 pm 
Getting Side Ways
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Ride: EF Fairmont Station Wagon.

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WA, Australia

Thanks for the replies guys. Went and pulled a set of standard EF upper arms and brakets off a wreck I have sitting at Mum and Dads, the arms are 340mm and almost identical to the XR arms apart from the bend down on the XR arms as they go over the diff, the standard brackets will fit the XR arms I bought and I will be able to use the back hole on the AU diff.
EF XR arms on left. Standard EF middle and EL/AU XR on right which bend down going over diff.

 

 

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4.0L EF Fairmont Station Wagon. EL GT Snorkel. K&N Pod in air box. 3" Intake piping.
Home port job. 1636 Wade cam. Wildcat Extractors, 2 1/2" cat and exhaust.
2200/2400rpm Dominator More Stall. Stage two mechanical shift kit. 3.73 4 pinion LSD. 15.078 @ 92mph.

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 Post subject: Re: EL AU V EF XR Upper trailing arms.
Posted: Tue Oct 12, 2010 10:26 pm 
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I know it doesn't help you much, but the upper arms on my old EF XR6 are the same is your EFXR6 ones with non parallel mounts

 

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