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My shorty has drums on the rear and coupled with muddies, its shocking to brake in the wet.
(compared to the LWB mav which has discs all corners).

Has anyone done a disc brake conversion to their rear end and if so what $'s can I expect to pay to do the job....

I assume that I'm looking at a GQ/Mav disc rear end and a diff master cylinder?
 

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master cylinder is the same.
before you do that make sure you check the system is bled properly and that your bias spring is set correctly.
Got drums on a LWB and they aren't too bad, can lock them up when I don't set the bias spring correctly.
 

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master cylinder is the same.
before you do that make sure you check the system is bled properly and that your bias spring is set correctly.
Got drums on a LWB and they aren't too bad, can lock them up when I don't set the bias spring correctly.
are you sure about the master cylinders being the same??? as when i replaced mine a while back he asked weather disc or drum and said they were different. had a different bore size. or along the lines of that but they were different.
apart from that its just a straight bolt up. but you will need a new complete diff housing with the correct ratios and discs on it. then just bolt her up and away you go.
 

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Hi,

There may be a residual pressure valve in the master cylinder that will have to be removed. I did this fitting discs to a car 25 years ago.

Regards B M
 

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I believe they are the same, but the twin piston front calipers DO have a different master cylinder. However if there's any doubt (which there is) you should check.

Residual pressure valve in the master cylinder rings a bell.
 
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