Tomei Differential Upgrade - Detailed LSD Installation in a 370Z
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- Опубліковано 28 вер 2024
- I recently upgraded the differential in my 2016 Nissan 370Z from an open diff to a Tomei 1.5-Way Limited Slip Diff. This video details the installation process of the diff, replacing the stock diff bushings with whiteline polyurethane replacements, and installing Z1's high-capacity differential cover.
This installation is not for beginners. Make sure you consult your factory service manual for torque settings, diff tolerances, etc.
Tomei 1.5-Way Differential:
www.z1motorspo...
Differential Upgrade Kit:
www.z1motorspo...
Replacement Side-Bearing Shims:
www.z1motorspo...
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You just helped me to see that i need to pay a professional to do this task.
Getting thru Life you mean 2 weeks of your time and multiple trips to the auto parts store is worth more than 500 bucks lol You miss be filthy rich lol
I'm surprised this is only $500... It's probably closer to $1000 by people supposedly that know what they are doing
@@slipknnnot I have been quoted a lot more than $500. It's more like $800 or more plus the cost of the limited slip diff portion. It takes a skilled person that knows what they are doing to get it to function properly, be reliable and last. You don't want to have a shotty install when it come to the tight tolerances and fitment of differential gears. Too much money for me so I'm not going to go down this road.
@@GettingthruLife this doesn't seem like a horrible job but I'm a technician I work on equipment all the time with much tighter tolerances. Besides with this detailed video it's hard to mess up, he literally breaks down every step. The only thing I am missing is a spring gauge and mounted depth gauge to measure the wobble of the ring gear and the force required to get it moving to make sure there is no excessive friction and even coupling between pinion and ring gear. Everything else is in the factory service manual so you just need a reliable torque wrench and follow the specs. I also have a ton of tools and a compressor and compact aircat impact to make life easy. The only thing missing is a garage and a second car.
I have 2012 Civic si I can daily while this thing is torn apart but I need to get it from my parents house. Now if I could find a garage to rent out for a week or two while I work on this project it would be cool, otherwise I'm limited to quick easy bolt on jobs I can do in a day. I did the Akebono brake upgrade, coilovers, intake and high flow cats but the differential is a different level job that will take me much longer than a day so if I can find some skilled mechanics that can do this properly I don't mind paying them $800
@@slipknnnot would you go to a specialist shop or just need a good mechanic? I have a shop that quoted 500 to do it...dude has a 9 sec or less nova and is a drag racer and he seems to know what he is doing more than any other mechanic I've had.
500 in labor seems like a bargain. I’m sure they would have used more conventional methods but props to you for getting it done.
I would pay $500 in labor any day to get this done properly. I suspect this job will cost upward of $1200 for a shop to do properly... If it's $500 I'll pay np but anything more than that and it's a summer project in my dad's garage
$500 to install the bushings. Another $700 to rebuild the diff and set it up
I like how informative you are but also how flexible. You make it so the average mech or hobbyist can get this done. I'm going to use this video to rebuild my 350Z differential. Thank you 💪
Hard to find videos about lsd installs that are so well executed. Very detailed for people with a 370. It's also useful for noobs like me, I want to do this on a different car so now I have a general idea of what needs to be done.
I also learned that I'm not ready for this sort of stuff yet...
In my day we installed LSD with sugar cubes.
yaaaaayuhhhh!!!!
How
Details please
Thanks alot of this detailed guide, now im more confident about doing this on my own. Cheers mate
Great video. Thanks for showing me that I should just go for the sport model to begin with.
Z1 sells a puller to Pull out that Bushing Will save you a lot of time
A little gear oil will help to Keep the collars on its place
Did you need to get those OEM stub axles? Or is that only for the OS-Giken?
This is a very helpful video. Thanks for making it.
So all I have to change is the diff? I was told axels too
If you have the base model no axle change needed
I feel like for some reason using slow motion on your phone while it spins or something would help in one way or another lol. Good to use slow motion for balancing things lol
How many hand tools were thrown at garage walls? How many F-bombs had sufficient volume as to have been heard by neighbors enough to have warranted stink eye?
To put it simply... plenty...
That’s what I was thinking. That oil filled bushing in the frame is a nightmare! My face was covered with oil after that project. I had to use an air hammer with a sharp chisel to cut it out.
can u specify on how to do the breather tube im having problems
I just took some needle nose pliers and reached up around the diff. It is a bit tricky, you will need to drop the diff a couple inches to make it easier.
Just like O'doyle, OSGIKEN RULES !!!!!
I have 3:92 gears in mine. I would have liked a little more gear like 4:10.
ty for the tutorial
Bro I’m just keeping the stock bushings
Z1 has a puller that makes it a billion times easier
What a great video, makes me wanna do the same swap on my g37
Do you need any turn for this or is it plug and play?
Diffs don't need a tune.
are these noisy
Very. Tight turns in neutral sounds like the car is falling apart.
Put it in the freezer because science
screw that , pay the measly 500 and get it done.
Pro Tip: You were on the right track putting the differential in the freezer but you should have heated your bearings and they would have dropped right on and seated properly. If you think you adjusted bearing preload by moving the bearings you fooled yourself, they will shift if not properly seated. When checking ring gear backlash you need to check a full rotation every 45 degrees and take the average for your actual measurement. Great video you just missed a few details. I hope your diff holds up for you. Personally this is far more effort than I would go to for a street car but I admire your tenacity and ambition.
Thanks for the hard work you put into this video mate!
Well I just shoved all the stuff inside without doing any measurements and all was good guess now I can say that I was lucky
Me too man never did the measurements and still all is good.
If you guys don’t have a second car (like me) I’d suggest buying a junkyard diff carrier to install the new diff gears into
Thank you for supporting my music :) !
Love your One Day track, will check out more of your music if you're fine with me using it in my videos!
@@thecarizon504 I would love to hear my music in your videos :) !
I would start this and would have to tow it to a shop😅
Kudos for up grading your Z. In my younger years, I would be in the same position you are. Now, I am starting to think the $500 is a pretty good deal. :-)
The benefit of doing it yourself is two-fold. One you hopefully save money, depending upon tools. Second, you know if you've done it right.
Good job! Finally a back lash we'll explained. I have the same set up ; tomei 2 way with whiteline bushings. Will you doing any long term review on this tomei diff?
Any idea if it's the same process for the vlsd version? I bought one for my M45 in hopes of eventually drifting it but the vlsd is already worn out so I was hoping to put a 2 way in it.
Wish I had watched BEFORE I installed my lsd in my 350 hahaha! Seriously great video, one of the only detailed enough guides to give you all the info you need to do the job yourself. (Edit remember how you said you never wanna reuse the output shaft seals? well I didn't know you had to replace those and now I have a leak :((((( Was wondering if I need to take the diff out of the carrier to remove the seals, or can I pull them out somehow with the carrier still inside???)
You should be able to do it by just removing the half axles, you shouldn't need to remove the diff out if the car, unless something gets in the way of pulling those axles out.
@@thecarizon504 Alright thanks, knowing my 15 year old car though no way I'm gonna be able to hammer the half axles out without taking off the cover for more swing room. Which means... I have to drop the whole damn carrier XD. (Thanks Nissan!) Getting them out the first time took about 30 minutes of straight pounding. At least I don't have to take the diff out of the carrier then, hate hammering those damn shims inside. I do have to buy more diff fluid then tho... 50 bucks for the fluid I use... Btw how did you measure the backlash, how does that tool you used work, as in what does it like hook up to? I never measured my backlash properly, just kinda wiggled it to see how much play there was. Also, how's the diff holding up so far? Mine (Kaaz 2 way) is pretty smooth on the road, really only somewhat jank at turns under 15, is the tomei any smoother at really low speeds?
Very detailed DIY. Thank you. Man, Might need to have a shop do the diff replacement if I decide to go that route. It’s just good to see how the Diff comes out so I can replace the cover. Thanks again! Very nice car!
Full disclosure: Just pay someone $500 and save your time and money elsewhere
What thickness of shim did you go with from Z1? I have a 2017 base
That LSD might have been only a few hundred bucks 2 years ago, Z1 wants almost a grand for it now...
Buy a separate identical differential and put the replacement into it. Only swap once all are correctly done.
Very valuable content.
Thank you from the Z community.
how much torque did you apply to the bolts when replacing the diff cover with the z1 over sized diff cover?
I forget what the factory spec is but I just tightened until the impact went click. As long as you have q good sealant you should be solid.
where do i go to buy this serviice manuial?
NOT TOE-ME
Anybody watching this now. Mechanic trick for the carrier bearings when you go to install them. Find an old countertop frier, or get a cheap one from the store, fill it with gear or motor oil and heat the bearings in the oil to get them to expand. Do this combined with the frozen diff and they will just slide right on. Just don't burn yourself ;)
I realized ill just buy one already assembled
Nice clip! Thanks.
Does that huge wing actually provide any benefit for normal driving? We both know it won't keep you out of the woods on the Dragon :)
🤣 Well the wing's shape is accurate for down force, not to mention angle adjustability. The only way to know for sure is to wind tunnel it.
@@thecarizon504 thanks for the quick reply. You're building a super car there. My roadster will never be as quick.
@@eyeorewolf thanks! If you slap a couple turbo's on it though it'll fly. ;D But these cars are a lot of fun as they are!
First off - thanks for SUCH a detailed, thorough and informative video. Secondly, I have a question - at around 30min mark, when you are measuring preload and backlash...you are doing so without the clamps for the diff-beardings installed. ist that ok? Wouldn't they also affect the backlash and preload, as they would tighten it all further down?
seal only around the inside of the bolt holes. the outer bead does nothing but clog the bolt hole.
Why not just buy a $140 hydraulic press from harbor freight?
Thank Carizon for these videos! You helped me with my transmission
What size did you need for the side shims in order to fit the LSD ?
Great video! Really good explanation. I’m currently doing this same project in my chevelle. I’ll be installing the LSD today and hope it goes smoother than your project.(it probably won’t) I just learned yesterday that the LSD in my G37 is gone so now I’ll be doing the same thing you just did. The sad thing is I just bought this diff from LKQ that said it only has 30k miles on it, and I just put 12k on it. 😩
Good luck! It really isn't all that hard with the right tools, I'm sure it will go smoothly!
Do you have any info on replacing the pinion seal?
so you spend a thousand bucks on an LSD but you don't want to pay to get it installed? this is one part that should be done by a professional shop. it's very similar to rebuilding an engine only on a smaller scale you just can't screw with it.
Don't know what to tell you, the car has been running great for the past 20k+ miles I've got on the diff.
Dude are you from Quebec originally?
Smh
Hey what kind of rear diffuser is this? Or is it just the white strip painted/wrapped on the lower valance*?
It's the nismo bumper with white stripe rather than red.
Help 😅 what is the orientation of the side oil seals.
I don't recall those rubber circular seals on each side having orientation?
What size shims did you end up sticking with??
Also why did you go with the 1.5 way instead of 2 way?
You are my here dude!
Hero* lol
So you dont need a shorter output shaft?
No, used the oem shafts.
@@thecarizon504 even for open diff? I was about to order from z1 and thet said i NEED a shorter output shaft. What about shims? Or anything else i need. Thank you also for replying
@@alvarez6899 z1 says you only need the shorter output shafts if you have the factory VLSD
@@TheFunkyPyroMonkey i have base its open
@@alvarez6899 yeah exactly so you dont need a shorter output shaft
Very informative but I fell asleep about 2 mins in! 🤦🏻♂️
Great video very informative