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Discussion Starter · #1 ·
Ok so I been searching and I can't seem to find anything on this topic so maybe someone can make one and help out

This is my plans here and what I want to accomplish.
06 CC SE 2WD 4.0L
Open diff

What I want to do is take a pro 4x rear end out a electronic m226 rear axle and throw under my truck. Wiring isn't a issue as far as wiring the locker up but I have a few questions first

1.) Yes I know that 2 we have a 2 piece drive shaft and yes I know we have a 6 bolt flange and 4x4s have a 4 bolt flange.
Can't I just get a custom driveshaft made from my u joint back to the rear end?

2.) What are the main key things I need to make sure that are with the m226 electronic locker rear end? I know u can buy parts thru-out but still

3.) When I go to look for a rear end what gear ratio did the pro 4x rear ends have? Do they have the same gear ratio as a regular 4wd and if there any specific way to tell if it has the locking diff besides having to open it up and look?


As far as I know this has never been done with a electronic licking rear diff. I've seen plenty of people swap to a m226 rear but don't think they has the electronic locker. And FYI the 2wd pro 4xs have a ck200 rear end not the m226 Incase someone was going to comment.

Any advice will help greatly and any help is greatly appreciated. Again this is the first 2wd that's going to be electronic locker from what I have seen.

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For starters the pro4x/nismo M226s came with either 3.69 for the MT or 3.36 for the AT. The 2wd pro4x/nismo with the m266 and AT came with 3.13, some years are locked some not. THe older nismo/pro4x 2wd came with m226s.
http://www.clubfrontier.org/forums/f62/what-axle-gears-do-i-have-my-2nd-gen-32992/

You can visually see the locker actuator on the diff. Top front. (borrowed pics)



Here is a write up of a 2wd adding a locked m226
http://www.clubfrontier.org/forums/f62/installing-m226-axle-4-56-gears-locker-my-xe-81692/
 

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Discussion Starter · #3 ·
Ok so assuming since im a 2wd I would need the 3.36 gear ratio because I'm not doing a 4wd conversion.

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Good time to regear esp if you're planning on taller/beefier tires.

Not real sure if all M226 gears are interchangeable, but 4x2 non-locking 6-sp SV/SE run a 3.54 for yet another ratio to choose from.

There's a very recent seller advertising a Titan M226 rear diff which is wider than Frontier's M226...that would pair nicely w/ a 4x2 Titan swap up front.
 

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Discussion Starter · #5 ·
Yeah that's true I may think of that. Are Titan m226 and frontier m226 the same of different because of spline count n such?

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Ok so assuming since im a 2wd I would need the 3.36 gear ratio because I'm not doing a 4wd conversion.

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You can run any gear you want, since you are 2wd you do not need to match a front diff gear. If I were you I would look for a 3.69 geared axle. You are doing this more more off road prowlness, and lower gears would help. You can regear any of the axles to even a lower gear but that is complicated and expensive.
 

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You can regear any of the axles to even a lower gear but that is complicated and expensive.
I saw that a 370Z Nismo 6-sp manual comes w/ a 3.92...though not sure these are M226 or not.

3.13, 3.36, 3.54 & 3.69
 

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I saw that a 370Z Nismo 6-sp manual comes w/ a 3.92...though not sure these are M226 or not.

3.13, 3.36, 3.54 & 3.69
??? I think the Z34 (370) uses a R200 diff. That would mean 200mm ring gear where as the M226 uses a 226mm=8.89" ring gear. Heck the R200 in a Z32NA had 4.1 gears. But totally not interchangeable.


I don't think the OP was looking to go any lower. But if you really wanted lower gears you can jsut buy new aftermarket gears which are way cheaper than nissan gears. YOu can go down as low as 5.13 for the m226
https://ruggedrocksoffroad.com/20052015-d40-frontier-ring-pinion-gears-c-40_1318_1348.html
 

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Look for 2008 2WD NISMO for your parts. It will have the correct length and 6-bolt flange for the M226. Being a 2008 it will have the 4 spider gears and generally won't blow up like the 05-07 2-spider gear M226 lockers like to do.

Be advised you want the M226 driveshaft as the mating distance to the flange is a little different than the C200. The 2WD M226 driveshaft is a factory piece.

If you are really slick you could get the diff lock controller out of the 2WD NISMO and it will work. Gives all the correct safety features like not allowing the locker to engage if excessive wheel speed is detected. Engages in 2WD (sorry this controller does not work with a transfer case detected in the CAN databus, so won't work for anyone with 4WD).

Pretty much making a NISMO version out of your truck.
 

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Discussion Starter · #10 ·
So let me ask this question. I'm assuming ANY M226 I can throw under and buy an electronic locker for? Don't have to be the pro 4x ones? Also does ALL nismos have the M226 or just the manual tranny have the M226 rear end?

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So let me ask this question. I'm assuming ANY M226 I can throw under and buy an electronic locker for? Don't have to be the pro 4x ones? Also does ALL nismos have the M226 or just the manual tranny have the M226 rear end?

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NISMO was discontinued for Pro4X in 2010 IIRC.

what-axle-gears-do-i-have-my-2nd-gen

There are no aftermarket e-lockers available that I have found. Options are to find/make fit a Nissan electric, ARB air-actuated, lunchbox locker, Eaton Tru-Track all-gear LSD, or full carrier locker. Selectables, auto-lockers, & LSDs all have their place. You have to decide on intended use and match that.

Personally I prefer LSD in the rear. Auto-lockers can be unpredictable in the rear until you are accustomed to it and adapt your driving to it. Selectables are great until you get it bound up and it doesn't want to disengage (high traction surfaces). LSD are great on-road and most off-road until you get crossed up and have 2 wheels in the air (with open front) and then have to drag the parking brake to transfer power... All comes down to useage...
 

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All early NISMO had the locker M226 manual or auto. That lasted through at least '08, maybe '09 I forget.
By '10 the locker was lost in the 2WD models.
The Off-road models got a name change to Pro-4x, for all pratical purposes it is the same trim level.

If you see a C200, it doesn't have a locker.
 
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