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OEM Diff Help
Quote from Mineral_Ube on December 17, 2020, 3:43 pmHi all,
ZC33S owner, pre-hybrid, 8k miles
Generally speaking, the car is of course fantastic, but I do find one of the weak areas is the OEM diff. Just wondered if anyone had any knowledge on it they could share, what type it is, was it outsourced by Suzuki, etc. More out of curiosity really, but also maybe one day soon I would like to replace it as I fear mine might be damaged... or maybe it just can't cope with being pushed hard on the road. Either way, I feel like the car has more performance to give than diff allows.
Thanks all
Hi all,
ZC33S owner, pre-hybrid, 8k miles
Generally speaking, the car is of course fantastic, but I do find one of the weak areas is the OEM diff. Just wondered if anyone had any knowledge on it they could share, what type it is, was it outsourced by Suzuki, etc. More out of curiosity really, but also maybe one day soon I would like to replace it as I fear mine might be damaged... or maybe it just can't cope with being pushed hard on the road. Either way, I feel like the car has more performance to give than diff allows.
Thanks all
Quote from xu5 on December 17, 2020, 7:08 pmAs standard it is an open diff, like you i feel that it would benefit from a limited slip diff. I am looking at ctc's helical gear, torque biasing diff which are fit and forget. Other options are plated diffs from the likes of Cusco. Plated diffs wear out eventually though and tend to be better suited to competion cars.
As standard it is an open diff, like you i feel that it would benefit from a limited slip diff. I am looking at ctc's helical gear, torque biasing diff which are fit and forget. Other options are plated diffs from the likes of Cusco. Plated diffs wear out eventually though and tend to be better suited to competion cars.
Quote from DazzaSport on December 18, 2020, 2:22 pmIntrigued. Why do you think it is broken?
For the stock power output. The stock diff is fine in a road going car. In warm, dry conditions - the tyres hook up well enough that in most cases the engine will not defeat the standard diff to any great degree. Occasionally, the car will run wide under power out of a bend. But really depends on how hard you chuck it in.
If you're going to do track days - I can see a bigger benefit to going for an LSD, but even then - it is not a must.
The Rent4Ring Swift Sports - NA or turbo - they don't have an LSD... and some experienced drivers drive them flat out all the way round. If they don't need an LSD. You sure don't need one in a road car.
I'm not saying don't get an LSD of course. It depends on your particular car and usage. For instance - if the Swift Sport had 200 HP. I think it will be beneficial - even in a road car. That much extra power will defeat the grip more easily and result in the car squirming everywhere when trying to put power down in the corners.
If your Sport is stock. I just don't think you need it.
Intrigued. Why do you think it is broken?
For the stock power output. The stock diff is fine in a road going car. In warm, dry conditions - the tyres hook up well enough that in most cases the engine will not defeat the standard diff to any great degree. Occasionally, the car will run wide under power out of a bend. But really depends on how hard you chuck it in.
If you're going to do track days - I can see a bigger benefit to going for an LSD, but even then - it is not a must.
The Rent4Ring Swift Sports - NA or turbo - they don't have an LSD... and some experienced drivers drive them flat out all the way round. If they don't need an LSD. You sure don't need one in a road car.
I'm not saying don't get an LSD of course. It depends on your particular car and usage. For instance - if the Swift Sport had 200 HP. I think it will be beneficial - even in a road car. That much extra power will defeat the grip more easily and result in the car squirming everywhere when trying to put power down in the corners.
If your Sport is stock. I just don't think you need it.
Quote from CTC Performance on December 26, 2020, 12:53 pmR4R have two of their 33S with LSD and another 7 in the new year 😉
They happen to be our LSD by the way. Transforms the car even at stock power.
R4R have two of their 33S with LSD and another 7 in the new year 😉
They happen to be our LSD by the way. Transforms the car even at stock power.
Quote from DazzaSport on December 29, 2020, 3:22 pmOk, it's not mentioned on R4R's web site. Perhaps they will update the site at some point in the future.
Still, most of the cars have been running around the ring without an LSD for the best part of a year or more.
Ok, it's not mentioned on R4R's web site. Perhaps they will update the site at some point in the future.
Still, most of the cars have been running around the ring without an LSD for the best part of a year or more.
Quote from Mineral_Ube on July 5, 2021, 1:21 pmto reply to @DazzaSport and thanks for your input,
To go into more detail; the reason I think it's damaged/not up to the job is when I'm really on it & pushing the car hard, accelerating out of a low gear corner at full boost- if there's any sort of sudden undulation in the road, sometimes the car breaks traction momentarily and I hear an almighty bang from the bowels of the front end as if the diff is struggling to deal with all the load. The bang or 'knock' is severe enough that I also feel it through the steering wheel.
It's just a guess really and could be isolated to an issue on my car only but an educated guess on the basis that it's a very torquey engine for such a light/relatively cheap car, and I wondered if it's down to the diff not really being able to keep up with the performance that these great little cars are capable of chucking out.
to reply to @DazzaSport and thanks for your input,
To go into more detail; the reason I think it's damaged/not up to the job is when I'm really on it & pushing the car hard, accelerating out of a low gear corner at full boost- if there's any sort of sudden undulation in the road, sometimes the car breaks traction momentarily and I hear an almighty bang from the bowels of the front end as if the diff is struggling to deal with all the load. The bang or 'knock' is severe enough that I also feel it through the steering wheel.
It's just a guess really and could be isolated to an issue on my car only but an educated guess on the basis that it's a very torquey engine for such a light/relatively cheap car, and I wondered if it's down to the diff not really being able to keep up with the performance that these great little cars are capable of chucking out.
Quote from Moyz on July 6, 2021, 6:33 amIt might just be wheel hop causing the engine to violently rock backward/forward so what your feeling is actually coming from one of the engine mounts clattering together
It might just be wheel hop causing the engine to violently rock backward/forward so what your feeling is actually coming from one of the engine mounts clattering together
