2.3L of fun

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funwithmonkeys
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Re: 2.3L of fun

Postby funwithmonkeys » 12 Oct 2017 12:59

The first ones are the ones I bought. https://www.amazon.ca/gp/aw/d/B019JCPTB ... AKE7YYRRPE

I got them on special for $54 each. For the price even at $68 each they are hard to beat.
If no one from the future comes back to stop you from doing it then how bad of a decision can it really be?

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funwithmonkeys
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Re: 2.3L of fun

Postby funwithmonkeys » 24 Oct 2017 20:42

Well I got the new diff installed. It was pretty easy to get in. I got new stubs for the Subaru R180 CLSD.
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They did not come with the press in bolts or the dust shields. They dust shields were just attached with 2 small welds each and came off really easily. The bolts easily pushed out with my little Arbor press.
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5 minutes later they were in the new stubs.
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If no one from the future comes back to stop you from doing it then how bad of a decision can it really be?

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funwithmonkeys
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Re: 2.3L of fun

Postby funwithmonkeys » 24 Oct 2017 20:47

I got a nice Billet high capacity cover for the R180
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It comes with 2 drain plugs with magnets in them. The magnets are not very well attached so I epoxied them in.
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If no one from the future comes back to stop you from doing it then how bad of a decision can it really be?

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funwithmonkeys
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Re: 2.3L of fun

Postby funwithmonkeys » 24 Oct 2017 20:58

I epoxied the dust sheilds onto the axle stubs. They fit into the diff very well. There is no play in them at all.
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I installed this vent tube from a R180 out of a pickup. It presses in and it looks like it will let less oil up than simply putting in a barbed fitting tapped into the vent hole. My vent hose going to the catch can in my trunk fits perfectly.
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I also picked up some new nylock nuts for everything under the car. It cost $4 to replace the tired 48 year old ones.
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If no one from the future comes back to stop you from doing it then how bad of a decision can it really be?

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funwithmonkeys
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Re: 2.3L of fun

Postby funwithmonkeys » 24 Oct 2017 21:13

The diff went in very easily without the cover on.
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The Subaru diff came with this baffel that installs between the cover and the diff. It blocks oil from hitting right on the vent.
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The cover went on easily. The top 2 bolts took a bit of patience to get in but they were not hard.
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I switched from the studs to bolts.
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It looks a lot neater back there now.
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While I was in there I played with my drive shaft angles. I moved the back of the diff down close to an inch and I moved the cross member down about 1/2 an inch. I need to get some proper washers for the cross member but with it where I left it my measured angles were 3.4 at the transmission, 3.4 at the diff and 3.5 on the drive shaft. I think that is about as good as it gets.
If no one from the future comes back to stop you from doing it then how bad of a decision can it really be?

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Fun with Diffs

Postby funwithmonkeys » 10 Nov 2017 14:24

So I have been playing around with diff a bit lately. The Subaru R180 CLSD is in the car now with 4.44 gears. It has less play in it then the R160 CLSD ever did. I also bought a set of 4.6 gears thinking I would put them into the Subaru case with the CLSD but I made a discovery about R180's. The newer R180's with a K cast into the housing have the same size housing and all the same dimensions inside except for one. The ID of the ring gear on the Datsun R180's from the skyline and 240Z is 110mm. On the newer R180's the ID of the ring gear is 115mm. This sent me deep into the internet hole looking at LSD's. For the 115mm ring gear there are lots of options. The best seems to be the OS Giken, everyone who has one loves it and has nothing good to say. Then there is the Cusco, Quaif and a couple of other random ones. For the 110mm Ring gear the options really get narrowed down. There is the Datsun Motorsports one that is almost impossible to find and goes for a silly price now($4k+) IF you can find one. Then there is the Cusco and the Quaife. I'm sure there are other ones out there but I am mainly looking at ones I can find for sale now. I am thinking I may end up going with the Cusco CLSD .
https://www.cusco.co.jp/en/catalog/pdf_ ... e_lsd.html
The Quaife does not have very good reviews and the fact that it operates like an open diff if one wheel lifts or the fact that it never 100% locks does not make it something I would want.
Has anyone used the Cusco? Are there any other ones out there I should look at?
If no one from the future comes back to stop you from doing it then how bad of a decision can it really be?

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Re: 2.3L of fun

Postby funwithmonkeys » 15 Nov 2017 19:30

I guess that means no one has used one. They would appear to be the only company out there making one for the Datsun R180 so it would appear my decision is made. Cusco is doing another run of them in January so I will grab one and build up the diff then. As the rainy season is upon us again I think I am going to work on finding some rattles and finally get a new windshield. I borrowed an engraver that vibrates like crazy and holding the casing of it on a panel really bring out the rattles. I think it will be a good way to find and eliminate some noise from my car.
If no one from the future comes back to stop you from doing it then how bad of a decision can it really be?

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icehouse
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Re: 2.3L of fun

Postby icehouse » 15 Nov 2017 20:19

So aren't the K housing R180's in the 80's 200sx? The STI K R180 just has a different spline count right?
"People don't like it when shit doesn't match their rule of thumb." Sam

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funwithmonkeys
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Re: 2.3L of fun

Postby funwithmonkeys » 15 Nov 2017 20:27

It is the ring gear size and the spline count that are different. The ring gear in the K housings are 115mm and the older ones from the 240z is 110mm. The only 4.6 gears I have seen are the 110mm.
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RMS
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Re: 2.3L of fun

Postby RMS » 15 Nov 2017 21:51

have you decided on carpet ? maybe deadening http://store.secondskinaudio.com/products/
two_68_510s wrote:I guess our donkeys are quicker then your sled dogs!

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Re: 2.3L of fun

Postby funwithmonkeys » 15 Nov 2017 21:54

I am thinking I may do both. My ears hurt after a long drive unless I am wearing my headset.
If no one from the future comes back to stop you from doing it then how bad of a decision can it really be?

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Re: 2.3L of fun

Postby RMS » 15 Nov 2017 23:05

noise fatigue is draining. the 69 needs some sludge on the wheel wells.
two_68_510s wrote:I guess our donkeys are quicker then your sled dogs!


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