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Old 02-14-2017, 02:43 PM   #1
maverickmotorsports
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NEW! 350z diff to S14/S15 subframe swap bushings!



UPDATED DESIGN! I took customer feedback and made the new ones easier to install. This design has a much larger lead in to help alignment. The last little bit is pressed on so there is no clunking or other issues.

Introducing a bolt in way to add a stronger 350z/370z/G35/G37 differential to your existing s14/s15 subframe! No cutting, welding or fabrication.

What are they?

Three(3) bushings that are precision CNC machined from 6061-T6 aluminum and then anodized to a MIL-8625F finish. The bushings are engineered to place the differential in the center of the subframe and maintain the proper factory driveshaft angle. The bushing kit is only able to be used with s14/s15 subframes or other Nissan subframes which use the 2 larger diff mounts on the rear cover.

What do they do?

The bushings allow you to drop in a stronger and cheaper Z/G differential into your s14/s15 subframe. Previous the only other way to do this was to cut and weld but there is NO cutting or welding required for this swap.

Benefits:

-Stronger, newer and more readily available Z/G differential

-Wider range of ratios available, OEM and aftermarket

-Ability to use larger and stronger 350z axles

-Better matched ratios those doing 350z transmission swap

-Uses STOCK 240sx hubs, works with 4 and 5 lug cars.

-Potential to use 350z speed sensor built into diff for actual wheel speed.



What is needed for this swap?

- Maverick Motorsports Z/G conversion bushings

- 350z/370z/G35/G37 differential, avoid the G37 AT diff because it has a different driveshaft flange

- 350z/G35 axles

- Driveshaft made to your length and drivetrain setup(not available here).

Need to know:

Due to the large variety of rear knuckles, arms, alignments please make sure the axles are not over compressed or over stretched. Failing to do so will cause premature breaking of the axle and other driveline components.

ORDERING:

https://www.maverick-motorsports.com...rsion-bushings
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Last edited by maverickmotorsports; 05-08-2017 at 06:32 PM..
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Old 02-14-2017, 07:12 PM   #2
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very cool, but will z33 diff with z33 axles in s14 subframe (with stock s14 rear LCA and knuckle) cause binding? or will you have to run extended LCA or zero camber in the rear to compensate?
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it'll fit JANK.. and no one likes Jank except Broke ass zilvians.
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Old 02-15-2017, 01:58 AM   #3
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My question is the same on here then facebook

Is the flange (where the driveshaft bolt) of the diff at the same position compare to a s chassis diff ? Open diff s14 is what i have right now ... im scared my carbon driveshaft will be to long if i go this route
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Old 02-15-2017, 07:09 AM   #4
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Looks like a cool product! I haven't seen this before. Kudos for doing something different! Information on axle compatibility between stock S14 and stock Z33 would be helpful. If the length needs to be altered you could offer that as an additional service. Customers could send you their axles and you could have a x-week turn around time. The driveshaft is something else you could offer on a "made to order" basis since people swap everything under the sun into these cars. If you aren't set up to build/modify those parts perhaps you could partner with a shop that does.

People like easy when it comes to installs so if you could offer the other parts needed you could pick up some extra business off the additional parts for those interested in your innovative solution. Good luck with your sales!
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Old 02-15-2017, 09:32 AM   #5
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Why can't you just use a 300zx diff with 350z half shafts to achieve the same effect?
in a s13/s14
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Old 02-15-2017, 03:26 PM   #6
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Attempted to install these on S14 subframe last night / Z33 diff

I understand that most bushings should be a press fit, however, since the bolt holes are eccentric, its very difficult to press the bushings in while having them properly located. Once they're in, there's no way of rotating.

They should be more of a slip fit, like PBM's bushings.
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Old 02-15-2017, 09:29 PM   #7
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Quote:
Originally Posted by mλx_s13 View Post
Why can't you just use a 300zx diff with 350z half shafts to achieve the same effect?
in a s13/s14
The Z32 Differential is a R200 just like the stock s13 differential, hence why the viscous diff and their R&P are direct swaps.
The Z33 diff is a R230 I believe, has readily available R&P swaps and more LSD options on top of having a stronger R&P and axles.
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Old 02-16-2017, 08:55 AM   #8
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Quote:
Originally Posted by 240sxScores View Post
The Z32 Differential is a R200 just like the stock s13 differential, hence why the viscous diff and their R&P are direct swaps.
The Z33 diff is a R230 I believe, has readily available R&P swaps and more LSD options on top of having a stronger R&P and axles.
Z33 is not a r230, it is still a r200. The rear bushing did not fit on my 05 g35 auto trans. the knurl on the stud is too large for the bushing how it was machined and I had to modify it. Also like Jorgs said, they are a press fit and I have no idea how you can line these up properly while pressing them in, not to mention I hogged the shit out of my diff flanges on the front just to make it start to slip in for the first part( how these are machined).
Also I have a little bit of camber, but my axles are 100% compressed with the diff just sitting in the subframe without the mounts( hardly off from where it would sit) So it looks like extended rlca are a must, atleast for me.
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Old 02-16-2017, 09:36 AM   #9
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Quote:
Originally Posted by travon47 View Post
Z33 is not a r230, it is still a r200. The rear bushing did not fit on my 05 g35 auto trans. the knurl on the stud is too large for the bushing how it was machined and I had to modify it. Also like Jorgs said, they are a press fit and I have no idea how you can line these up properly while pressing them in, not to mention I hogged the shit out of my diff flanges on the front just to make it start to slip in for the first part( how these are machined).
Also I have a little bit of camber, but my axles are 100% compressed with the diff just sitting in the subframe without the mounts( hardly off from where it would sit) So it looks like extended rlca are a must, atleast for me.
My bad.

Could you measure the distance between the snout mounting holes then make a U shaped bracket with similar bolts. Slip bushings on bracket then hold up to differential and twist them until everything lines and press in

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Old 02-16-2017, 12:40 PM   #10
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Quote:
Originally Posted by 240sxScores View Post
My bad.

Could you measure the distance between the snout mounting holes then make a U shaped bracket with similar bolts. Slip bushings on bracket then hold up to differential and twist them until everything lines and press in

Sent from my XT1575 using Tapatalk
That could definitely work for the front, but I think I am still going to take .001" off of them on a lathe so I can get them out again. The reason I want to do this is I have an auto diff (3.3) which I am going to weld because there isn't a aftermarket lsd (1.5 or 2 way) for it, atleast that I have found. So once I pick up a manual(3.5) diff and get a lsd I can swap that in.
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Old 02-16-2017, 02:24 PM   #11
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Quote:
Originally Posted by travon47 View Post
That could definitely work for the front, but I think I am still going to take .001" off of them on a lathe so I can get them out again. The reason I want to do this is I have an auto diff (3.3) which I am going to weld because there isn't a aftermarket lsd (1.5 or 2 way) for it, atleast that I have found. So once I pick up a manual(3.5) diff and get a lsd I can swap that in.
Yup.


The bushings & diff ears are +/-.002" of each other.

Its too tight. Gonna machine these as well.

Pretty silly to have to machine something that was ≈$170 to begin with
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Old 02-18-2017, 05:04 AM   #12
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What driveshaft do you use with this diff setup?
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Old 02-20-2017, 07:20 PM   #13
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this is + cool.

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Old 02-27-2017, 10:17 AM   #14
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Thank you everyone for all the feedback and the orders! This was the first batch that went out and once things get out in the wild I have more and more people giving good feedback so thank you for that.

The next batch will have a small change to make the install easier and more straightforward. Functionally it will stay the same and still work like it should.

As always I appreciate all the feedback and if you guys come up with anything please let me know. It's impossible for me to 100% test every case and the results you guys give help me make a better product.
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Old 02-28-2017, 08:21 PM   #15
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Quote:
Originally Posted by Jorgs_7 View Post
Attempted to install these on S14 subframe last night / Z33 diff

I understand that most bushings should be a press fit, however, since the bolt holes are eccentric, its very difficult to press the bushings in while having them properly located. Once they're in, there's no way of rotating.

They should be more of a slip fit, like PBM's bushings.
Did you happen to try freezing them before trying to fit them in? Just curious to see if that would make enough of a difference.

Im not home to try and see how much shrinkage you would get from room temp vs freezing temp. I will do this when I get home and post results unless somebody beats me to it.

also - does the 240sx rear driveshaft flange mate up perfectly to the 350z one since they are R200's?

Last edited by NorcalAP2; 02-28-2017 at 10:26 PM..
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Old 03-01-2017, 01:15 PM   #16
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Originally Posted by NorcalAP2 View Post
Did you happen to try freezing them before trying to fit them in? Just curious to see if that would make enough of a difference.

Im not home to try and see how much shrinkage you would get from room temp vs freezing temp. I will do this when I get home and post results unless somebody beats me to it.

also - does the 240sx rear driveshaft flange mate up perfectly to the 350z one since they are R200's?
I tried but did not do anything, granted I did not heat up the diff. The driveshaft hub centric ring fits onto the diff but the holes on the diff are spread out farther resulting in needing to drill new holes in between the old ones. I had my bushings machined down .001, not quite sure if they fit yet since I have not got them back but will update once I do.
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Old 03-01-2017, 05:31 PM   #17
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What else do you need to do this swap?
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Old 04-20-2017, 05:16 AM   #18
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Any update on these bushings. Website hasn't been updated since February.
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Old 04-29-2017, 10:25 AM   #19
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I also like info on this.
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