Gears & Axles Driveshafts | Rearends | Differentials | Gears | 12 Bolt | 9 Inch | Dana
View Poll Results: How is Strange's gear setup?
Poor
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Pi$$ poor
40.00%
WTF mate?
33.33%
Voters: 15. You may not vote on this poll

Rate my Strange 12-bolt Gear Pattern!

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Old 08-03-2008, 05:21 PM
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Unhappy Rate my Strange 12-bolt Gear Pattern!

Here are the gears in my Strange 12-bolt (4.11s) as set up by Strange themselves:







...and the other side:



Don't forget to use the voting buttons at the top of the page! If it helps narrow down your choices, the gears are noisy as hell.

I should have known something was wrong when the dude that set up my gears misspelled my name. No, not my last name, my first name. He misspelled my first name. What is my first name?

Steve.

How did he spell it?

Steev

I **** you not.
Old 08-03-2008, 09:09 PM
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hmmmm, i'd be less then impressed if i were you
Old 08-03-2008, 09:47 PM
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Oh, I can assure you...I am slightly less than impressed.
Old 08-03-2008, 11:07 PM
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How long have you had that rear end?
Old 08-04-2008, 06:55 AM
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I've been driving it since this spring, but I've had it since October of 2006...it spent a lot of time just sitting on jack stands waiting to be installed since I was in the middle of my Master's degree and it was my only car at the time. There are probably about 1000 miles on it total right now.

It was really my fault for installing it without checking the gear pattern first, but I didn't (and still don't) have the tools or skills to fix this problem. I'll probably just keep driving it until I put it away for the winter, and work on getting it fixed by next spring.
Old 08-04-2008, 07:47 AM
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Mine is a few years old and is noisy as hell also. I haven't looked at the gear pattern, but I know it can't be right. As a preventative step, I've had a new set of 3.73's Mikronited by Crane ready to drop in over the winter.
Old 08-04-2008, 01:43 PM
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there's no 'good' options on the poll lol so you already know it's bad
Old 08-04-2008, 03:44 PM
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Originally Posted by bigsticksupra
there's no 'good' options on the poll lol so you already know it's bad
Let's just say the noise was a big tip-off...when I first decelerated after putting the rear in, and doing no more than 10 MPH, it made a low-pitched whine until the car rolled to a stop. At that point, I knew it was a bad gear set. And it only got worse the faster I went...it is horrible at 60-70 MPH.
Old 08-04-2008, 03:46 PM
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Originally Posted by ss1
Mine is a few years old and is noisy as hell also. I haven't looked at the gear pattern, but I know it can't be right. As a preventative step, I've had a new set of 3.73's Mikronited by Crane ready to drop in over the winter.
I'll most likely get another set of 4.11s, and probably have them Supra-finned. I'm pretty intent at this point on fixing this myself...setting up gears has always intimidated me, but now that the car is no longer a daily driver, I can afford the downtime to fix it, and fix it right.
Old 08-05-2008, 05:58 PM
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So...where would I need to add/subtract shims to get this thing a little better in line?
Old 08-05-2008, 09:23 PM
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Dude, keliente did an awesome writeup setting up gears, as there is also a lot of resources on the web for gear install tips. I bought a magnetic base, dial caliper, and digital caliper from harbor freight (where I am now an assistant manager ). You'll want a torque wrench, impact wrench, and access to a shop press. Oh a bearing seperator is handy as well. I say rock it for now, complete the masters program, and attack it later and be among the elite gear setter uppers.

It could be a combo of the pinion shim between the pinion gear/bearing (pretty sure 12 bolts have that one ), and the shims on either side of the carrier. That should be it. The shims will also play a role in the backlash (just a fancy word for the wiggle room the gears have before they make contact with each other). Thats where the dial caliper/magnetic base comes in hand. You need to know the desired backlash. Pinion depth is another thing that I believe can effect wear pattern. That can be checked with a pinion depth tool... but its not required. I am no expert at it, I just followed instructions on how to rebuild my 10 bolt and got it good enough for me, lol. Good experience though. Just a time/patience thing.

Last edited by KurtRardin; 08-05-2008 at 09:29 PM.
Old 08-06-2008, 07:03 AM
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Wow! The pinion looks really deep! The noise must be deafening!
Old 08-06-2008, 09:18 AM
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My Strange 12-bolt was dead quiet until I hit the track. After that whine was pretty bad. Last year I added Mikronited gears and most of the whine went away. It was the first gear install I did (actually helped someone) and I have to admit, it's not for the faint of heart. It took quite a few attempts to get them setup right because they require a tighter backlash.
Old 08-06-2008, 05:08 PM
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Originally Posted by Fran D
Wow! The pinion looks really deep! The noise must be deafening!
Deafening? Well, let's just say I have a hard time drowning out the noise going 60 MPH with my stereo turned up (50W x 4 going into Polk speakers, with a 200W amp powering my 10" sub) and the windows down.

I think I'm gonna try tackling this next spring...I've always wanted to learn, but have always been intimidated.

Quick question for those in the know:

Does crushing the crush collar have any impact on pinion depth? Or is that all in the shims behind the bearing?

Time is something that is finally on my side...
Old 08-06-2008, 05:16 PM
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Originally Posted by MeentSS02

Does crushing the crush collar have any impact on pinion depth? Or is that all in the shims behind the bearing?

Time is something that is finally on my side...
That will definitely mess some things up. I switched to a solid spacer.
Old 08-06-2008, 05:18 PM
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Originally Posted by MeentSS02
...Does crushing the crush collar have any impact on pinion depth? Or is that all in the shims behind the bearing?

Time is something that is finally on my side...
Well, certainly if it wasn't crushed enough, you could end up with the pinion deeper, but you'd also have very little or no preload on the pinion bearings. They'll wail due to that as well. If it was crushed too far, I don't think the bearings would last 10 miles.

Time is what you'll need to set up a gear set. If you're mechanically inclined, it's not that technically difficult. You just have to be prepared to do a lot of assembly, measuring, disassembly, reassembly...yada, yada, yada, for what seems like forever. Patience is very key.
Old 08-06-2008, 07:37 PM
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The question was more from a setup standpoint - i.e. if you needed to take the rear end apart 30 times to get the pattern and backlash correct, would you need 30 crush collars as well?
Old 08-06-2008, 08:56 PM
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The Strange already has a solid collar (at least mine did).
Old 08-06-2008, 09:00 PM
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Really? I'll have to look at the part sheets they supplied...
Old 08-06-2008, 09:42 PM
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i dont use a crush collar for set up, only final assembly, i dont know how to shim a solid spacer properly


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