Vehicle & Technical > Discovery

cush drive

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boss:
whats an arb got to do with the flange on the diff? :-.

Disco Matt:
Sorry, not making much sense there  :lol:

I mean that rather than changing the flange on my diff I'd rather leave it alone until I can afford an ARB unit, then change the prop/flange to 200 TDI type at the same time. Mine isn't lifted so the donut should be absolutely fine at the moment, as it's no different to what Land Rover intended. I still think it's a very weird setup from my understanding of engineering though - proper UJs will always beat bits of rubber.

That is assuming that an ARB diff locker comes as a complete replacement differential that you bolt in place of the original (and obviously sort out the air line to)? I've only seen photos of them in magazines so I'm not entirely sure of what you get in the box, although I realise that you also have to fit a compressor, control switch, etc.

boss:

--- Quote from: Disco Matt on October 16, 2009, 16:19:29 --- the donut should be absolutely fine at the moment

--- End quote ---

famous last words


an arb is only new plantet gears, the dog clutch mechanism and new diff cage you wont be getting a new 3rd member too.
mcnamnara made a vacume hypoid diff where you got a new 3rd but you needed there new 30 spline shafts ( :drool: ) and all the vacume crap to go with it. also had a price of about £1400 per diff plus shafts plus all ascociated gubbinz hell of a strong set up though.

woody:

--- Quote from: boss on October 16, 2009, 11:15:18 ---thought a "cush drive" was a thing made by ashcroft that bolt on to your hub to absorb any energy from a spinning wheel that suddenly gets traction....if you mean the donut thing on the rear propshaft....get rid of it! there a PITA

--- End quote ---

cush drive
lay rub coupling
big doughnut thing on the back prop

all mean the same  :-k :-k :-k

Disco Matt:

--- Quote from: boss on October 16, 2009, 17:01:38 ---
--- Quote from: Disco Matt on October 16, 2009, 16:19:29 --- the donut should be absolutely fine at the moment

--- End quote ---

famous last words


an arb is only new plantet gears, the dog clutch mechanism and new diff cage you wont be getting a new 3rd member too.
mcnamnara made a vacume hypoid diff where you got a new 3rd but you needed there new 30 spline shafts ( :drool: ) and all the vacume crap to go with it. also had a price of about £1400 per diff plus shafts plus all ascociated gubbinz hell of a strong set up though.

--- End quote ---

Which bit's the 3rd member?

I know how a diff works, but I've never taken one apart. ARB seem to be the best lockers at vaguely sane prices, although I don't see much chance of my affording one in the near future and there are other things on the list first.

I know the Detroit type are cheaper but I just don't like the way they work. I want a completely open diff unless I choose to lock it.

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