Subaru (R160 diff) Rear Locker project

Yes, I am getting abit ahead of myself. Will focus on the Rear locker project first and see how that goes. People have welded their diffs (R160) though in Subaru's and they have done very well. So snapping may or may not be an issue. We will find out when it gets tested. Im very interested to see how it works too.
I have someone in Perth who is willing to test it in a L-Series (so when 4WD is engauged the centre diff is locked) and a mate locally with a Manual AWD MY03 Outback (with a 4kg centre LSD). We can then compare the too aswell.

Im just imagining what the H6 Forry could do with a locker or 2 :lildevil:

Also sorry for the late posting, was busy over the weekend (was my 18th Birthday) :biggrin: Got a Sidchrome Socket set, a Swag, Some new fishing gear and money to help me buy a roof basket from my mates. Now I can actually do some more mods with the tools now I dont have to borrow Dads :lol: Then get out there with my Foz and have a good time.

Taza
 
Any news on this?

Just keen to keep this alive.

Cheers

Bennie
 
Ive come up with a rough design of how its going to work. I am picking up 2 diffs when I go to Perth on the 4th of June. So then I can start work actuallly designing it. Im really excited and looking forward too it.
But until then I cant post up anything.

Cheers
Taza
 
No worries. That little post above sounds VERY promising!

Cheers

Bennie
 
Its probably going to be a leaver and cable that engages and dis-engages it. Doesn't need to be fancy air or electronic. People have welded their diffs up and they ahve been reasonably strong and not broken, the most likely part to brake will be a CV.

Welded diffs have already been tested. This is Phizina (over at AuSubaru) a few years ago when a team of Subaru Tos*ers went in a race at Loveday. They did brake a CV making it 3WD and in the end the rear diff gave up but thats hard core offroading.

[ame="https://www.youtube.com/watch?v=iOW00t2hqvQ&feature=related"]YouTube - ‪3WD Subaru race wagon at Loveday after October RC09 (monday) - Rock Crusher‬‏[/ame]

Regards
Taza
 
Don't know if it had anything to do with his welded diff but I was standing near Guy's car when it's gearbox went KABOOM on it's first conjoined outing.............Get ma a trailer please.
 
I'm excited. And I think that with the locker the risk of a broken CV is more unlikely because you will be able to engage only when needed. Not to mention that the CV's on those GL's look like toothpicks :P

Best of luck with the build :)
 
Its probably going to be a leaver and cable that engages and dis-engages it. Doesn't need to be fancy air or electronic.

Taza, this is basically how it is done with one of those "fancy" units - some have eliminated the cable though. With that said, when you get a locking diff to work, the lever will allow the end user (such as me) to work out how I want to be able to engage the difflock.

I'm excited. And I think that with the locker the risk of a broken CV is more unlikely because you will be able to engage only when needed.

Yeah I agree about that! Best bit is that it will be AWD compatible :D

the CV's on those GL's look like toothpicks :P

They're pretty much the same as what's in your foz... except for age...

Cheers

Bennie
 
update

When I was in Perth I picked up one of the diffs. Going to start getting measurments from it and drawing it up on the computer. Once I have completed that I can use those parts on the computer to automate the actions of a standard open diff. Then design the locking mechanism and simulate it on the computer before handing the designs over to Carl (Carljwnc) to see if he can physically make the locking mechanism.


Taza
 
Like i said before... Have our own in-house manufacturing dept. Taza works up the designs & Carl cranks them out! Lifts could be next :biggrin:
...And i'll happily take 20% off the top! We could use use a member over in Sweden to say that's where we are based out of - to avoid billions in taxes of course... I see this coming together :lildevil:
 
When I was in Perth I picked up one of the diffs. Going to start getting measurments from it and drawing it up on the computer.

:cool: Cool!!!

Like i said before... Have our own in-house manufacturing dept. Taza works up the designs & Carl cranks them out! Lifts could be next :biggrin:

Don't you work in the insurance racket...um, er, business???:iconwink: The one thing that has really stopped me from doing any kind of 'for sale' production work from my home machine shop is the liability. (Well that and the fact that I don't have the greatest equipment or the time to use it much) Just curious, if you know, what sort of insurance a manufacturing biz has to carry so you don't get the bejeebers sued out of you if someone gets hurt using something you made???
 
:cool: Cool!!!



Don't you work in the insurance racket...um, er, business???:iconwink: The one thing that has really stopped me from doing any kind of 'for sale' production work from my home machine shop is the liability. (Well that and the fact that I don't have the greatest equipment or the time to use it much) Just curious, if you know, what sort of insurance a manufacturing biz has to carry so you don't get the bejeebers sued out of you if someone gets hurt using something you made???

Haha, yessir! All you would need is a CGL policy (commercial general liability). Good news is that you can say you have alot of experience "machining" & the other thing is that you probably arent going to do just a ton of business so you're exposure won't be nearly as bad. You can get different limits (usually $300k-$1mill is the norm). Your premium will probably be a minimum premium, ranging from $650-$1100 a year. I can't write anything in NC since i'm not licensed there, but i might just play around with a quote to give you a better idea.Without having all the overhead costs, i bet you could be real competitive ;)
 
Would there be the same problem if just producing small numbers for friends - i.e. us - for 'proof of concept' / testing?
 
I think you'll find the standard center diff is a 4kg viscous, as said earlier you can get 12kg, 20kg & I think there may be a rare 15kg but you are looking at $600ish for one of the stronger diffs 2nd hand, nice to be able to change the fluid if viscosity is the only difference & not being a locker you don't have the sudden jarring on the pissy little axles so less chance of snapping one out in the middle of nowhere.
Not meaning to take this thread off topic however, as I have a liberty rear LSD that I am yet to fit, I thought I'd ask...
How difficult is it to drain and re-fill with 12kg or 15kg fluid?
 
Apparently not a 5min job but quite doable, a mate of mine used to do it on Holden/Chev diffs all the time to tighten them up, I would have thought drilling then plugging the holes would be enough???? the liquid silicone is quite easy to get hold of but I'm not sure if it's the viscosity or the plates in the diff that makes the difference in strength.....I forgot to ask as the explanation was quite long.
 
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