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Author Topic: OBX LSD rebuild  (Read 12009 times)

speedjunky01

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OBX LSD rebuild
« on: June 20, 2010, 06:01:05 PM »

1-Dissemble the LSD 9 bolts holding the top, and remove the guts! try and keep it organized but it only goes back one way if you think about it logically

here is the stock lower and upper case, its in pretty rough shape from china



2- bust out your dremell with a 60 grit sanding wheel and smooth out the edges and potential pieces that may break off and float around in the tranny


 * I smoothed the insides and the chamfers a bit and cleaned the cases from dust

3- The lower axle or "sun" gear is the taller one

put it into the lower case chamfored side DOWN, just think the axle has to slide in so it makes it easier :D


4-next come the 5 outer or "planetary" gears, if you mixed them up dont worry 5 are cut one direction and 5 the opposite, only the correct 5 will fit 


5-Lower in the center gear that retains the washers


6- The two washer retaining gears were identical upper and lower on this LSD, install the lower one with the flat side DOWN and the notches side UP so they can retain the washers in the center



7- the washer order I went with )()()(


8-center them up using whatever you have around that the same diamater, my 1/2 extension worked


9-put on the upper washer retaining gear on above the washers with the notch DOWN and the flat side UP, also add the remaining outer planetary gears

10-the other axle gear (shorter one) chamfored side UP and notched DOWN


11-line up the upper case half like so


12-tighten the upper case hand tight in a star pattern


13- TQ to 35ft/lbs


14- PRAY for good runout and case fit :D

LMK what you nogs think

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crttaz

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Re: OBX LSD rebuild
« Reply #1 on: June 20, 2010, 06:07:14 PM »

waste of time :)
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speedjunky01

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Re: OBX LSD rebuild
« Reply #2 on: June 20, 2010, 06:14:22 PM »

waste of time :)

yeah i figured but it will make me sleep better at night LOL
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ratcityrex

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Re: OBX LSD rebuild
« Reply #3 on: June 21, 2010, 10:51:09 AM »

I would have chased all the bolt holes with a tap too. Lmk how this works out for you. Chuck it up in a path to check your run out, or put it in 1/2 of a grand case with a bearing and check runout.
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speedjunky01

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Re: OBX LSD rebuild
« Reply #4 on: June 21, 2010, 11:56:03 AM »

Yeah I wanted to bead blast it too but wasn't worth it for the price. I'll get a tranny hopefuly today and hope the one I blew is rebuildable
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highroller54

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Re: OBX LSD rebuild
« Reply #5 on: June 21, 2010, 04:21:48 PM »

whats tranny is it going in?
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speedjunky01

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Re: OBX LSD rebuild
« Reply #6 on: June 21, 2010, 04:57:08 PM »

whats tranny is it going in?
Z6 ex/si whatever I can find local yard wants 200 :( And no other place has it 100k on it so I guess that's semi ok
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highroller54

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Re: OBX LSD rebuild
« Reply #7 on: June 22, 2010, 01:32:36 AM »

I need something for a ls on the cheap.
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crttaz

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Re: OBX LSD rebuild
« Reply #8 on: June 22, 2010, 03:18:01 AM »

I need something for a ls on the cheap.

$725 with bearings shipped to your door.

Last week I saw a Quaife/TRD that broke the case with 350 whp/300 wtq, these units were beefier than our Honda POS.

The one I installed



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forcdincivic

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Re: OBX LSD rebuild
« Reply #9 on: June 22, 2010, 02:00:13 PM »

looks good dan, its brett. Im being hated in my build thread already lmao
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bigdaddyvtec

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Re: OBX LSD rebuild
« Reply #10 on: June 22, 2010, 02:50:37 PM »

We dont use the faggot ass term hating here you queer motherfucker. Your build thread fails. SO do you. Dont post another fucking word untill youve posted 100 images of hot sluts getting pounded in every hole they have.
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TheMadScientist

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Re: OBX LSD rebuild
« Reply #11 on: June 22, 2010, 08:42:51 PM »

We dont use the faggot ass term hating here you queer motherfucker. Your build thread fails. SO do you. Dont post another fucking word untill youve posted 100 images of hot sluts getting pounded in every hole they have.
You sir speak truth
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speedjunky01

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Re: OBX LSD rebuild
« Reply #12 on: June 23, 2010, 03:10:26 PM »

ground the bolts down so they fit :P



now to put the rest of it all on. . . still reading on how to pull the old bearings of the stock diff

also the bolt holes SUCK on the obx as expected. but strange thing is I would put the bolt in from the back just to make sure the threads are clean and it would go in easy, but from the front they are much harder to put it
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forcdincivic

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Re: OBX LSD rebuild
« Reply #13 on: June 23, 2010, 03:24:28 PM »

We dont use the faggot ass term hating here you queer motherfucker. Your build thread fails. SO do you. Dont post another fucking word untill youve posted 100 images of hot sluts getting pounded in every hole they have.

that is all.
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Jorsher

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Re: OBX LSD rebuild
« Reply #14 on: June 23, 2010, 03:40:52 PM »

Wow.

Not to seem disrespectful to the time/effort you put into the thread, but the machining looks like shit on those things.

I'll save my money for a Quaife.
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crttaz

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Re: OBX LSD rebuild
« Reply #15 on: June 23, 2010, 04:47:56 PM »

Wow.

Not to seem disrespectful to the time/effort you put into the thread, but the machining looks like shit on those things.

I'll save my money for a Quaife.

MFactory
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speedjunky01

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Re: OBX LSD rebuild
« Reply #16 on: June 23, 2010, 09:31:30 PM »

Wow.

Not to seem disrespectful to the time/effort you put into the thread, but the machining looks like shit on those things.

I'll save my money for a Quaife.

honestly wasnt that much time at all few hours so far at most

and yeh mfactory looks sick!

bone any recomendations on removing/reusing the bearings? or should i just spend the 70 bucks and get new ones on the diff?

this should work i think



what size separator/ setup you recommend?
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runsfromdacops

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Re: OBX LSD rebuild
« Reply #17 on: June 24, 2010, 12:26:01 AM »

Wow.

Not to seem disrespectful to the time/effort you put into the thread, but the machining looks like shit on those things.

I'll save my money for a Quaife.

MFactory
quaife all the way.
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HiProfile

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Re: OBX LSD rebuild
« Reply #18 on: June 24, 2010, 01:20:44 AM »

We dont use the faggot ass term hating here you queer motherfucker. Your build thread fails. SO do you. Dont post another fucking word untill youve posted 100 images of hot sluts getting pounded in every hole they have.

Don't mind him, he just wants to see the dicks not the holes.


What bone does'nt realize is that most motors people build themselves here won't need more than 500 miles for a tranny. They blow up before the tranny is trashed. Look at HHH.
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crttaz

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Re: OBX LSD rebuild
« Reply #19 on: June 24, 2010, 03:54:23 AM »

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crttaz

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Re: OBX LSD rebuild
« Reply #20 on: June 24, 2010, 03:57:13 AM »

Wow.

Not to seem disrespectful to the time/effort you put into the thread, but the machining looks like shit on those things.

I'll save my money for a Quaife.

MFactory
quaife all the way.

MFactory.......$300 cheaper and better chance of the replacement parts IF ever needed being in stock.

When you split a Quaife with 300 whp and they won't honor the "lifetime" warranty.......
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speedjunky01

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Re: OBX LSD rebuild
« Reply #21 on: June 24, 2010, 08:09:10 AM »


Woa did you mod it to have a pulled on it at the same time? Nice idea man! Could you tell me what size the pulled is?

Sorry for all the hand holding :P I know te middle is 40mm and the bearing is 3" I beloved.
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jabberwock

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Re: OBX LSD rebuild
« Reply #22 on: June 24, 2010, 08:46:15 AM »

English, motherfucker.  Do you speak it?!
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speedjunky01

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Re: OBX LSD rebuild
« Reply #23 on: June 24, 2010, 10:14:15 AM »

English, motherfucker.  Do you speak it?!
I do the iPhone spell checker doesn't :P
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ryan89crx

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Re: OBX LSD rebuild
« Reply #24 on: June 24, 2010, 12:38:35 PM »

Wow.

Not to seem disrespectful to the time/effort you put into the thread, but the machining looks like shit on those things.

I'll save my money for a Quaife.

MFactory
quaife all the way.

MFactory.......$300 cheaper and better chance of the replacement parts IF ever needed being in stock.

When you split a Quaife with 300 whp and they won't honor the "lifetime" warranty.......
Warranty is only good if you have an "authorized" installer put it in though, most people overlook that.
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crttaz

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Re: OBX LSD rebuild
« Reply #25 on: June 24, 2010, 11:01:43 PM »


Woa did you mod it to have a pulled on it at the same time? Nice idea man! Could you tell me what size the pulled is?

Sorry for all the hand holding :P I know te middle is 40mm and the bearing is 3" I beloved.

Socket + adapter sits on the axle tube. I have a 3 jaw puller for the ring gear side bearing.

above the cooler

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forcdincivic

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Re: OBX LSD rebuild
« Reply #26 on: June 26, 2010, 12:31:54 AM »

your cooler should look like this

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crttaz

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Re: OBX LSD rebuild
« Reply #27 on: June 26, 2010, 02:00:08 AM »

your cooler should look like this



not cold enough.

When garage is 110 a unit like that MIGHT keep the beer at 45 degrees plus it will be adding heat to the garage.

Nope, put beer in freezer until slushy, put in cooler with ice pack. Then either piss off the deck or when out of beer go inside for more.

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ratcityrex

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Re: OBX LSD rebuild
« Reply #28 on: June 26, 2010, 02:24:24 AM »

I always keep my cooler in my garage stocked full of beer, poweraid, water, and soda in the summer. Man it sure is nice to have a frosty cold beer in the hot garage
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New setup is old bottom end with a hype r head with gsr cams. built lsv with hx35 @ 26psi on pump gas
LEED tuned! 434hp/329tq http://www.youtube.com/watch?v=_pbDXZxZdZs
http://www.realhomemadeturbo.com/forum/index.php/topic,16195.0.html

Old Setup B18a1 296hp/289tq LEED Tuned 20psi on pump! http://www.youtube.com/watch?v=2Yj-Z90j4W4   
http://www.realhomemadeturbo.com/forum/index.php/topic,205.msg2437.html#msg2437

narfdanarf

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Re: OBX LSD rebuild
« Reply #29 on: June 28, 2010, 10:29:36 PM »

I'd rather have a wavetrac over a OBX and OBX over mfactory....just based on what I've seen.
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