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Disc brake conversions?

Tech Talk for Nissan owners.

Moderators: toaddog, V8Patrol

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Disc brake conversions?

Post by MD4x4 »

Hi,

I currently have a LWB Petrol with a disc brake rear axle.

I am looking at a SWB Diesel but it has drum brakes on the rear.

I am looking at it with the possibility of doing an axle swap between the 2.

My question is will it be a straight bolt in proposition from one vehicle to another?

Has anyone done this?

Regards

MD
GU Patrol - 4" Lift- 285/75/16 Coopers STT's
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Post by marko »

yes it can b done, but the master cylinder needs to be changed as well to suit the disc rear end, not sure why. Does any body know?
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Post by MyGQ »

Drum brake master cylinder doesn't activate the front and rear cylinders at the sme time, its activates the rears first cause drums take extra time to grip. this way you get even braking when the front disc's take up.

if you have the drum master cylinder your rears will lock up before your fronts activate,

since you are going to axle swap. you just take the master cylinder out of the LWB which has the disc rear, swap the axle from the LWB and master cylinders, simple job :)
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Post by nastytroll »

drum master has smaller piston also
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Post by bj on roids »

and smaller vacuum canister, but it also will work,

and it bolts in place of the drum one, no mods needed
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Post by dattopimp »

Make sure your diff ratios are the same too.
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Post by mattstar »

Diff ratio shouldn't matter with axles, just number of axle splines
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ratios

Post by MD4x4 »

Checked out my LWB today. It has 4.11's in it. So does the SWB I'm looking at.

I would plan on a complete diff change. Roll out/Roll in.

MD
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Post by Wish I had coils »

along the same sort of lines, How about disc brake conversion to a mk ? do the come out with disc rear? If not how do i do the conversion what do i use? i hate drum rear coming out of river crossings. SORRY FOR THE HIJACK :D
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