We put an explorer 8.8 rear end, with disks in a freinds 88 YJ last year,
no problem with brakes, just re-hooked and away he went.
<98XJ> wrote in message news:n0lrt3pngjlb4snsofsubegc9psg36jo31@[EMAIL PROTECTED]
> How did you address the pressure differential between the old
> hydraulics
> and the new? There is a combination valve in the system designed to
> limit the pressure to the rear drum brakes so they cannot lock up
> during
> a panic stop. If they do lock up, you will swap ends faster than you
> can blink.
>
> The brake master cylinder also sends different volumes of fluid for
> drum
> wheel cylinders vs calipers. The, or some for sure, master also has
> check valves for drum brake fluid flow that can jam disk calipers
> 'on'.
>
> I know 100% for sure that a master cylinder for drum brakes will 'not'
> work for disk brakes on a CJ7 or CJ5. It 'will' jam the calipers in an
> 'on' position, I have seen it happen several times with sloppy parts
> counter persons giving out the wrong one or the wrong one in the right
> box. So if your gas mileage starts to drop....
>
> Just a heads up for you.
>
> Mike
> 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
> 'New' frame in the works for '08. Some Canadian Bush Trip and Build
> Photos: http://mikeromainjeeptrips.shutterfly.com
> =====================================================================
>
> Final note:
>
> Over the weekend, I drove up to visit my dad. Up there on the 45th
> parallel, the secondary roads are still completely snow packed or
> iced-over, which gave me several op****tunities to mash on the brakes
> to see how the Jeep tracked. It glided completely straight on both
> snow and ice.
>
> So, I do not think there's an issue with using the stock XJ master
> cylinder and pro****tioning valve with the Liberty rear discs.
>
> If I experience anything different on dirt, sand, or dry pavement, I
> will post it here.
>
> Jim
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