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Adding a locking diff to a newer subaru
Posted 25 December 2008 - 02:28 PM
This more than anything else would make a subaru so much more capable in poor conditions.
Posted 25 December 2008 - 02:37 PM
but in short,there is speculation about availability from nissan/nismo to fit the r180/r200 applications.the little research i have done has been unrequited.it seems to be a unicorn.but then again i am not a thorough searcher.
a majority of the application is geared towards the rear wheel drive aspects of the "z" model cars and later.
the sx line as well.
the r160 diff found in almost every subaru vehicle has changed very little.there is ,as far as i can find,only an lsd option.these are available new from nismo for ONLY around 950 dollars.they were only an "option" in subaru vehicles.besides one . the RX.
anyways,it does not look good for us in subaruland.but we live with our lsd's,vlsd's and 4wd/awd......
people have tried mounting attacks against this anamoly.but alas money stands in the way.no one that has the money , wants to spend it on a market of cheapos!:lol:cheers, brian
Posted 25 December 2008 - 02:45 PM
Posted 25 December 2008 - 06:53 PM
weld the rear diff and pull a rear axle if you have automatic and can put it in FWD. if you have a manual you're hosed.
what do you mean by poor conditions? depends what kind of driving you're doing but by "poor" conditions if you mean in snow and slick roads then the clutch type LSD's should do you quite well actually. they're weak for off road but for slow, treacherous snowy road conditions they do very well.
Posted 25 December 2008 - 08:39 PM
Posted 25 December 2008 - 11:37 PM
i don't know much about it but i prefer the clutch type by far. apparently different terrains/uses/opinions for people.
umm,clutch type lsd's are not the best for snow.now a vlsd would be perfect for snow stuffs.which i am sure is what you meant gary.as you know way more about this stuff then i do.cheers, brian
there's already a thread debating this, but for my kind of daily driving the VLSD's are weak. not engaging until slippage starts isn't ideal when driving slowly on steep mountain switch back snow covered roads i don't know the reasons but the VLSD's i've driven do worse for what i use them for.
others seem to prefer the VLSD.
Posted 26 December 2008 - 01:03 AM
BUT, nissan trucks used an r180 in the front. and I remember hearing some thoughts about getting a locker for the nissan, and putting it in the subaru diff. on paper, it would work. in practice........well, I don't think it's ever been done. some research, and $$$....who knows.
or...weld 'er up.
but, in short. no, there is no locking option for an r160 other than welding it up.
or....put a solid axle in 'er
Posted 26 December 2008 - 01:35 AM
Posted 26 December 2008 - 11:00 AM
the r180 was in the front of nissan frontier pickups. '98-'04. ARB does make a locker for them. not sure of gear ratios.
also, there are detroit and other options for the H190 diff that was in the hardbody/pathfinder. this diff was also used in the rear of the 200SX (and even available as a 4.11). pics of the r190 (h190 locker fits...) looks identical to an r180, except for the bolt-on axle flanges.
couple links I stumbled on:
Posted 26 December 2008 - 01:25 PM
Posted 26 December 2008 - 06:13 PM
just because they made it does not mean there is one available..call ARB in renton.they'll know.cheers, brian
it certainly doesn't, but while searching, I stumbled across an ARB dealer that had them listed....
Posted 26 December 2008 - 08:52 PM
if they get subaru diffs to work in their vehicles (requires some minor mods to the axle flange), and if the old and new subarus can swap, and they have figured out actual lockers, then maybe that's a road.
that one datsun site has all sorts of info and i'm sure covers if locker are available or not.
Posted 27 December 2008 - 01:27 AM
I'd say locking front or rear diff with an AWD box that uses a centre VLSD is just asking for trouble. You'll burn up that centre diff and its not the easiest thing to replace.
If your serious, I'd be getting an old RX gearbox, putting the centre diff from that on the back of your Forester box (and also get a D/R Forester box if you haven't got one already). Then you'll have real 4x4. Then you either need to spend $$$$ on a custom locker or $$$$ on a independent suspension diff that has lockers already made for it or go solid axle with a locker.
I wouldn't put a locker in the front either because the CV's are already under enough strain in a Subaru.
Posted 30 December 2008 - 03:36 PM
Couple that with center locking diff AWD box (RX) and a Clutch or viscous LSD rear (available factory options) and you'll have pretty positive forward propulsion.
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