Production cars with Torsen/LSD diffs?
Production cars with Torsen/LSD diffs?
Author
Discussion

Madkat

Original Poster:

1,147 posts

201 months

Wednesday 19th February 2014
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I've been pondering how good or rather how much better cars with ATB or LSD's are as standard. With the likes of the Focus RS, Integra type R, Alfa romeo Q2/Q4? What other 'everyday' cars out there have these trick diff's. I dont mean things like ferraris and Lamborghini's (P1 aside i suppose) which typical cars have clever differentials?

I've driven a mates old XR2 with a Quaiffe diff and the experience was surreal.

Ennoch

371 posts

167 months

Wednesday 19th February 2014
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My old Vectra ST200 had a Quaife from the factory, and the scoob has a viscous centre LSD and a mechanical LSD at the back. Didn't the Megane 225 F1's come with a Quaife item too?

Captain Muppet

8,540 posts

294 months

Wednesday 19th February 2014
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[PHcliche]
MX5.
[/PHcliche]

Also loads of other RWD Japanese stuff. Surpas, 200SXs, Sylines, RX7s.

richs2891

906 posts

282 months

Wednesday 19th February 2014
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I cant think of many more than you have posted already as factory fit, Mazda MX-5 I think ? - other cars have LSD but a lot of them will be electronic ones, not mechanical ones- where the brakes are used to imitate the locking off the differential.
I'm told that the electronic types are more refined and offer a greater / faster lock-up rate and can be adjusted to vary the lock up rate. The latter 2 I can believe, more refined - I'm not sure.
Cost wise I'm not sure what would be more expensive initially.

jamieduff1981

8,092 posts

169 months

Wednesday 19th February 2014
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I had an old Rover 620ti with a Torsen diff. It was better in some ways than the open diff I had in another 620, and worse in others. It was better at putting power down in low gears than the open diff. That also tended to wreck gearboxes though, as there was no torque relief through wheelspin. On snow however, the Torsen equipped car was almost dangerous and always left in the driveway whilst the Jag did the job - the LSD just forced understeer on low speed corners with tight steering lock. That would manifest itself as an inability to negotiate junctions or roundabouts on ice or compacted snow as the car would go straight on.

Conversely, I had 2 MX-5s. One with Torsen diff and one without. The one with LSD ate front tyres like there was no tomorrow, but was basically brilliant to drive. The one without LSD had very good tyre wear at the front but was less predictable in corners and made a meal out of moving away from most wet junctions (admittedly, it did have cheap Nexen N6000s on which were rubbish).

I have a TVR equipped with a Hydratrak viscous type limited slip diff which works in a different way to the two Torsens I had before, but it's quite good and the way it works doesn't scrub tyres at carpark speeds which is nice.

mgrays

189 posts

219 months

Wednesday 19th February 2014
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As ever the PH answer is .. an MX-5 (well some.. lots open, early 1.6 viscous then 1.8 Mk1 onwards they sometimes had Torsen or equivalent).

Less lifting the inner wheel to spin on corners but being a Torsen it needs drag on the spinning wheel to work so a little bit of handbrake drag helps in snow/ice (but still not going anywhere with most tyres are they are not ice friendly).

MoelyCrio

2,502 posts

211 months

Wednesday 19th February 2014
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The Torsen diff on my MX5 2.5 Sport just about makes up for the rustiness!

aeropilot

40,656 posts

256 months

Wednesday 19th February 2014
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The only cars specifically with a Quaife fitted as OEM, are the Focus RS, the Dodge Neon SRT-4 and the Dodge Viper.


PanzerCommander

5,026 posts

247 months

Wednesday 19th February 2014
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05+ Mustang GT which is an every day car if you live in the US, or like me use one as a daily driver in the UK. All none V6 models come with a one way mechanical LSD.

Madkat

Original Poster:

1,147 posts

201 months

Wednesday 19th February 2014
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What are the Alfa Q2 items like?

The Wookie

14,209 posts

257 months

Wednesday 19th February 2014
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Megane RS and Peugeot RCZ-R both have torque biasing diffs

TurboFan

121 posts

154 months

Wednesday 19th February 2014
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I think the Fiat Coupe 20v Turbo had a viscous style LSD

RicksAlfas

14,523 posts

273 months

Wednesday 19th February 2014
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Madkat said:
What are the Alfa Q2 items like?


biggrin

Ennoch

371 posts

167 months

Wednesday 19th February 2014
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aeropilot said:
The only cars specifically with a Quaife fitted as OEM, are the Focus RS, the Dodge Neon SRT-4 and the Dodge Viper.
I just checked and you're right, it was an AP Suretrac I had in the vectra.

Wasn't it only the special edition and Sport MX5's that had the LSD's as standard?

jamieduff1981

8,092 posts

169 months

Wednesday 19th February 2014
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Ennoch said:
Wasn't it only the special edition and Sport MX5's that had the LSD's as standard?
For Mk2.5s at least, yes smile

Prof Prolapse

16,163 posts

219 months

Wednesday 19th February 2014
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As mentioned, loads of jap metal. Mr2s after 1994. Many special edition MX5s (I have a list somewhere).

Most subtle would be early BMWs had them. Think the e36 was the phase out as standard, but the 325 had LSD I'm sure. Whether it still works is the main question.



underphil

1,352 posts

239 months

Wednesday 19th February 2014
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pretty sure the Mazda 3 MPS has a proper diff as standard

The Jolly Todger

2,744 posts

209 months

Wednesday 19th February 2014
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IIRC the E36 328i Sport had an LSD as standard pre '97 when it was replaced by some electronic rubbish. Think some of the the 325i models may have done too and probably the M3.

aka_kerrly

12,505 posts

239 months

Wednesday 19th February 2014
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Prof Prolapse said:
As mentioned, loads of jap metal. Mr2s after 1994. Many special edition MX5s (I have a list somewhere).

Most subtle would be early BMWs had them. Think the e36 was the phase out as standard, but the 325 had LSD I'm sure. Whether it still works is the main question.

You're right I think BMW phased out LSDs on late E36 models and gave them traction control instead.

Ford Escort RS turbos came with LSDs from factory didn't they?

mini1380cc

2,949 posts

200 months

Wednesday 19th February 2014
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Subaru DCCD is pretty trick, does that count.