Jakey
Premium Member
Registered: 4th Jun 07
Location: Sandbach
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Just seen Paul_J for sale thread and was wondering if somebody could quickly explain an LSD box?
What they do compared to a normal box?
Ta 
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flybikeslee
Member
Registered: 2nd Jan 07
Location: Liverpool
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well on a standard corsa gearbox one wheel will spin (goes for path of least resistance) with a LSD it transfers the power evenly, better cornering etc
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Jakey
Premium Member
Registered: 4th Jun 07
Location: Sandbach
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Ahhh fair anough, cheers Lee.
My mates just bought a Stage2 one for his RS Turbo.. Payed £1000 
Notice much difference power wise? Like in a straight line.
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flybikeslee
Member
Registered: 2nd Jan 07
Location: Liverpool
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ste got a teg gearbox for his civic for £400, makes a world of difference in the twisties  in a straight line...both wheels spin as apposed to 1 
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Fro
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Registered: 20th Jun 06
Location: Rainham, Essex Drives: A3 2.0TDi Sport
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Its more down to traction than power, but they do make quite a big difference.
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Ricky352
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Registered: 6th Apr 07
Location: Lisburn, N.I.
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Something Ive always wondered too 
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Steve
Premium Member
Registered: 30th Mar 02
Location: Worcestershire Drives: Defender
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make you high
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broster
Premium Member
Registered: 6th Dec 02
Location: Drives: E39
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quote:
Originally posted by Jakey
Ahhh fair anough, cheers Lee.
My mates just bought a Stage2 one for his RS Turbo.. Payed £1000
Notice much difference power wise? Like in a straight line.
the escort rst has a diff in as standard, a stage 2 gearbox is usually a box with bigger bearings in it and a quaiffe ATB diff in place of the standard item. a stg 1 box on any tuned rst is a deffo must!
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richc
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Registered: 24th Mar 07
Location: Ilkeston
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Stage 2. What defines stage 2?
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Hamish
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Registered: 4th Apr 05
Location: Ashtead, Surrey Drives: 100bhp Mint with Hole
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the stage inbetween 1 and 3 
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broster
Premium Member
Registered: 6th Dec 02
Location: Drives: E39
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quote:
Originally posted by richc
Stage 2. What defines stage 2?
for exmple for an escort rs turbo we do the following:
Stage 1: casing machined, bigger bearings fitted, rebuilt gearbox and rebuild standard limited slip diff £550+vat
Stage 2: as above but replacing std diff with Quaiffe ATB £1000+vat
Stage 3: as above but with shot peaned gear kit £1200+vat
depends what company it is doing the work, there is no set stage 1 2 or 3, same with cylinder heads, people say they have a stage 280398 cylinder head, means nothing unless you know who dod the work.
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Lucky B
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Registered: 7th Apr 02
Location: Lunatic asylum. Drives: Hard & Fast.
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A S1 RST box has a ferguson lsd, Ricardo MTC can uprate them from the std 20nm to 40/60/80nm and possibly even 100nm, maybe the stage 2 means its uprated to 60nm?
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Paul_J
Member
Registered: 6th Jun 02
Location: London
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Basically, you know how with your current car, when cornering (especially in slippery conditions) if you nail it mid bend, you'll probably find you get wheel spin from 1 wheel (the wheel with least grip), which makes you understeer outwards on the bend
A LSD will transfer that drive to the wheel with the most grip instead, as one wheel goes to spin up. So instead of understeering, it'll maintain grip in the bend and allow you power out of the bend easily. The effect is that it feels like it actually pulls your car inwards into the corner more, the more power you put in mid bend.
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