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X90 Ring & Pinion Backlash and Runout


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#21 Guest_jesus_*

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Posted 15 March 2012 - 01:10 AM

Buy better tires.........


its not wheelspin... a rebuilt 3076'd 1j with cams should do more then 280kw on 20psi.. but yea ill stop hi jackin

#22 The Chubby Chaser

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Posted 15 March 2012 - 06:46 AM

New seals are the only thing I would buy, besides shims.
Now if your diff was sitting with water in it, and they are all pitted, that's a reason to replace them,


When you say "shims" do you mean the ones that go on either side of the diff bearings/caps near the axle holes or do you mean the pinion shims? The solid pinion I bought comes with shims. If it is the latter, do you know where I can buy them? I have only seen them in that kit I posted.

I found a shop called Axle Boy about an hour west of me that has received very good reviews. They normally work on Jeeps, and they build off-road ones, so I think they can handle it as long as I give them the runout, backlash, torque, etc... specs

#23 Guest_DuaxMachine_*

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Posted 15 March 2012 - 07:56 AM

Sorry, forgot WTF we were talking about, but yeah, a sellection of both are needed if your swapping the pinion,
and I am not talking about the ones that come with the crush sleeve.
The shim that sets the pinion depth is under the bearing that stays pressed on the pinion shaft.
They are all available from Toyota.

#24 The Chubby Chaser

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Posted 15 March 2012 - 09:34 AM

Ugh. This "simply" diff swap is getting quite complicated. So, you basically have to take the pinion bearing off, put a shim in, put it back in the pumpkin, measure the pinion depth, then take it out and take the bearing back off and use a different shim if the depth isn't right? Jesus christ!

#25 Guest_DuaxMachine_*

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Posted 15 March 2012 - 09:42 AM

And jesus fucking krist, I wasn't fealing well last night, so I let you slip,
But don't start that fucking TC.net shit of coming in, and completely changing the fucking subject.
OK, so your 1JZ is loosing power......
That means it's dying, just like the 7M you had before it.
Big fucking deal.
Gear ratios have nothing to do with power loss, or reduced fucking boost.
9 fucking posts, and you are already becoming a pain in the ass.

#26 The Chubby Chaser

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Posted 15 March 2012 - 09:53 AM

^Haha!

I found this link to be very informative.
http://www.4x4wire.c...ech/gear_setup/

#27 The Chubby Chaser

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Posted 21 March 2012 - 12:31 PM

Well, I called a reputable shop that's an hour northwest of me to get a price quote on installing the new diff, solid spacer, and ring and pinion. They said their rates range from $25/hr to $150/hr depending on the job. ~$400 is what I would be looking at.....




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