Trying to drift my NB. I would like a welded diff but I'm having a hard time finding someone to do it for me.

Trying to drift my NB
I would like a welded diff but I'm having a hard time finding someone to do it for me.
Everyone has a "buddy" that has done them before and would love to weld it for me but it never seems to pan out.
I've asked the shop I normally get work done at and they just kinda laughed which I anticipated.
People have suggested prebuilt diffs but I can't seem to find them for sale anywhere.

What are my options? Are there shops out there that would be open to this kind of thing or are they all going to shirk at the thought?

Thanks

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  1. 2 years ago
    Anonymous

    You have to be prepared to pay for this with no warranty. If you tell these guys you're good with that, they'll probably do it.

    • 2 years ago
      Anonymous

      I'll drop that on them next time. Any idea how much they should be asking for something like that? Does anyone know about prebuilt stuff? Is there a place that sells them?

      • 2 years ago
        Anonymous

        >I'll drop that on them next time. Any idea how much they should be asking for something like that?
        I don't. You're asking someone to put their reputation on the line while you engage in frickery. Nobody wants to risk that is there's a chance you go talking shit if it didn't hold up throughout your frickery. High dollar guys might, but newer guys don't want your trash talking if you frick someone up. If you're about this life, be prepared to spend some money and not give people bad names for helping you out.

        • 2 years ago
          Anonymous

          Just typing "I don't" would have saved some wear and tear on your keyboard.

          >daily with a welded diff.
          One less miata driving homosexual on the streets

          Aren't I one "more" miata driving homosexual? I don't understand how adding me to the mix means one less.

          Don't daily a welded differential you idiot. You will shatter the diff or half axles or ruin your tires or all 3

          Get a real drift car Miatas are too light to drift, they actually fricking turn

          I know the risks of welding the diff.
          I bought the car, I'll do what I want to it.
          I'm gonna put a big moronic widebody kit on it swap the engine and stance the frick out of it just to piss people like you off.

          Seriously guys, I know it's DA but try to contain your autism.

          • 2 years ago
            Anonymous

            least homosexual miata owner

  2. 2 years ago
    Anonymous

    Just buy a $500 china welder. Every man should have one anyways.

    • 2 years ago
      Anonymous

      I'm not disagreeing with ya but not super feasible at the moment. It's my daily so I can't really afford to have it down for more than a day or two which is why I'd like to have a shop do it for me.

      • 2 years ago
        Anonymous

        >daily with a welded diff.
        One less miata driving homosexual on the streets

      • 2 years ago
        Anonymous

        Don't daily a welded differential you idiot. You will shatter the diff or half axles or ruin your tires or all 3

        Get a real drift car Miatas are too light to drift, they actually fricking turn

        • 2 years ago
          Anonymous

          Listen to this guy.
          I locked the diff on my daily when I was young and dumb and immediately regretted it. You completely sacrifice low speed drivability/manoeuvrability just to peel fat skids on the rare occasion.

          • 2 years ago
            Anonymous

            Honestly, that's kinda why I was interested in these "prebuilt" diffs that everyone swears are out there.
            If I don't like it or don't find it worth it I can always just swap it back.

          • 2 years ago
            Anonymous

            Did the NB come from factory with an LSD? I have seen pro level drivers with nothing more than a shimmed diff. Otherwise you could install a mini spool; it essentially locks the diff but it’s reversible if you don’t like it.

          • 2 years ago
            Anonymous

            Honestly, I was just trying to look that up myself. Any idea what the easiest way to check would be?

          • 2 years ago
            Anonymous

            Just put a torsen in it homosexual, it'll work good enough if you're not running hardcore tyres - which you won't be doing with your flogged out old engine anyway.

            I'm gonna do some research on torsen and shimmed diffs.
            I'm not really familiar with either term.
            Is there a clear winner between the two?
            I'm honestly planning on keeping the car pretty stock apart from this.

          • 2 years ago
            Anonymous

            Torsen was the factory LSD for the NB, it's a gentle diff with almost no negative impacts on daily driving but it's also sufficient to easily put the car into a powerslide with a stockish setup for engine and tyres.

            If you had a big turbo and put semi slicks on it, you'd probably find a torsen opening up and spinning one wheel but anything less than that it should cope with.

          • 2 years ago
            Anonymous

            I've got a torsen in one of my cars and it fricking sucks for doing skids. Very unpredictable and too grippy.

          • 2 years ago
            Anonymous

            No you just suck at doing skids and you're probably going into it with no inertia and trying to rely solely on power
            that or the car sucks

          • 2 years ago
            Anonymous

            frick off Black person I never had a problem with clutch pack lsds.

          • 2 years ago
            Anonymous

            Yeah and I've never had a problem drifting with open differentials

          • 2 years ago
            Anonymous

            You have a 1.6 or a 1.8 Miata?
            If it's a 1.8, you can get the clutch pack differential out of an RX-7 and swap it in.
            In a nut shell, Torsen differentials limit the maximum possible differential rotation speed between the two rear wheels using fancy gears. If one tire loses traction, it'll be limited in how fast it can spin, and power will be forced into the other tire that still has traction.
            With a clutch pack differential, the differential locks when there's enough torque coming into it through the driveshaft, so you can do your hektik skids or whatever with WOT, otherwise it stays open and acts like an open differential.

          • 2 years ago
            Anonymous

            Okay so I did some research and I think I have the 2005 LS model because I have the Bose sound bar.
            https://www.miata.net/faq/america/2005.html

            If that's right I have the "Tochigi-Fuji torque-sensing limited-slip differential"

            So am I just good to start then? Do I even need to worry about welding, shimming or anything else like that?

          • 2 years ago
            Anonymous

            go to an empty carpark
            roll along at first with almost no throttle
            turn the steering wheel until you're doing tight circles
            apply the accelerator vigorously and observer whether the car begins doing donuts, or if it simply starts spinning one wheel with the speed of a thousand leaping gazelles

          • 2 years ago
            Anonymous

            Hella, assuming I do in fact do donuts, do I need to even worry about welding or shimming or anything like that or should I just head to the track and start sending it?

          • 2 years ago
            Anonymous

            If you do indeed have a torsen then it will suffice as it is, they don't really need rebuilding or shimming - if the diff is still working then the torsen is probably ok.

          • 2 years ago
            Anonymous

            You can try this test and see if both wheels turn. I’m not too familiar with Mazdas but 90s Nissans used viscous LSD from factory which was fine for circuit style driving but not really drifting. If you want to actually link corners and manjee down the straight you need something more aggressive.

          • 2 years ago
            Anonymous

            No this test will NOT work with a torsen, because a TORque SENsing diff only limits the slip when it SENses TORque.
            If you jack it up in the air with no drive torque then it will act as an open diff.

          • 2 years ago
            Anonymous

            Nvm I just read the first and only comment on the video and it says this test doesn’t work for the “tofu Fuji” type diff

        • 2 years ago
          Anonymous

          >Miatas are too light to drift, they actually fricking turn

          Yes Miatas are shit for drifting but it has nothing to do with weight - the NB weighs up around the 1 metric tonne mark which is heavier than many successful drift platforms.
          In my experience the problems with drifting the Miata is that the wheelbase is too short and that it never shifts the load to the rear wheels properly while it's in a slide (probably due to the inboard weight distribution).

          With the good cars I've drifted when you put them into a slide they'll shift weight to the rear, settle at a nice angle and stay there. With my own experiences sliding an NB Miata and also watching other people's attempts - it seems to always be gaining or losing angle, it never really settles.

          • 2 years ago
            Anonymous

            >it seems to always be gaining or losing angle, it never really settles.
            heh, reminds me of that clip of a gt40 just trundling along around a curve then a miata just comes fricking flying in behind it and it wiggles side to side as its driver corrects the steering

      • 2 years ago
        Anonymous

        Do not drift your daily. If you cannot afford to have it down for multiple days at a time, do not drift it. You will break things. It will happen, you are not immune. Nobody is. There is no level of drifting, from loading docks to FD, where damage to your car is unlikely. It is a simple fact of life at every level. Do not drift anything you can't afford to break, because it is inevitable that you will.

        • 2 years ago
          Anonymous

          I understand the risks of it. It's obviously not optimal to have it break but I wouldn't be fricked.

          I'm 99% sure I have the upgraded LSD since I've done donuts and dumb shit in a small capacity before without the "gazelle" issue.

          I'm thinking I'm good to go then?

          Thank you guys for your input, it's been really helpful.

  3. 2 years ago
    Anonymous

    just get a actual drift car with a limited slip diff
    almost all cars that were sold in nordic countries came with a LSD as standard
    you're best off buying a car that was sold in a nordic country and then importing a diff from any of the said countries
    you should be able to figure out the gear ratios and other stuff

  4. 2 years ago
    Anonymous

    Just put a torsen in it homosexual, it'll work good enough if you're not running hardcore tyres - which you won't be doing with your flogged out old engine anyway.

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