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Thread: REAR DISC BRAKE Conversion

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    Default REAR DISC BRAKE Conversion

    Is anyone aware of someone that sells a conversion kit ?

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    Not any more. ZXTuner used to make one, but not available for a while. I bought an Escort GT setup for my 98 from a member here, and found a Gen 3 setup that I am putting on my 2003 on a 97 ABS sedan in a junkyard. The hard part is finding the master cylinder with the right proportioning valves because the ABS mastercylinder won't work.

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    The EGT setup will bolt directly to the car. No adapters needed. I know this because, as far as I know, the ZX2 suspension is identical to the Escort one. I have an Escort and did the conversion and, you guessed it, it bolted up without any modification necessary. I have an entire EGT setup for sale if you are interested. In my case I dropped the entire subframe and went through it all. The white bar in the middle is a tie bar off of an MX3 GS. This is what it looked like before I installed it back into the car.



    As far as a mastercylinder, I know that one off a Tracer with 4 wheel disc brakes will work. I also have one of these for sale. If you are interested in both the DB's and the MC let me know and we can make arrangements to ship the parts out to you.

    John

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    You need to have a 3/4 inch spacer to adapt an Escort GT rear disk spindle to a ZX2 subframe. You can put the whole rear crossmember from an Escort GT in a Gen 3 sedan or ZX2, but you can't just put the spindle from the EGT on the ZX2 subframe without putting in spacers and you have to use the longer ZX2 spindle bolt. The ZX2 subframe control arm mounts are 3/4" wider, so you will end up with screwed up suspension geometry if you use the EGT spindle without a space on a ZX2 subframe. There are several threads on the site regarding this.

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    Quote Originally Posted by zx2MTX View Post
    You need to have a 3/4 inch spacer to adapt an Escort GT rear disk spindle to a ZX2 subframe. You can put the whole rear crossmember from an Escort GT in a Gen 3 sedan or ZX2, but you can't just put the spindle from the EGT on the ZX2 subframe without putting in spacers and you have to use the longer ZX2 spindle bolt. The ZX2 subframe control arm mounts are 3/4" wider, so you will end up with screwed up suspension geometry if you use the EGT spindle without a space on a ZX2 subframe. There are several threads on the site regarding this.
    That's odd because the rear subframe I dropped out of the 2000 ZX2 I used in my swap was identical in size to the one I had in the Escort.

    John

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    Sorry if I am adding to the confusion of using rear crossmember and subframe interchangeably. Both the Gen 2 (Escort GT, wagon, and sedan) and the Gen 3 (ZX2, wagon, and sedan) use the same mounting points for the rear crossmember to the body, and the forward rear control arms and the sway bars are the same dimensionally (if not diameter), but the back rear control arms are different. The rear of the crossmember is different, the back rear control arm mounts are different and control arm centerline is 3/4" further back, and there is a boss on the back of the Gen 3 rear suspension knuckle that is 3/4" longer than the EGT one is. This accommodates the barrel type toe adjuster on the inner end of the Gen 3 rear control arm. The Gen 3 spindle bolt is also longer than the Gen 2 to accommodate the difference. There are some threads on this on the site with pictures of the differences, and the EGT based rear brake conversion setup that I bought had the spacers included.

    Net of all this is that you cannot pull the spindle and control arms off a Gen 2 crossmember and bolt it to a Gen 3 crossmember without modifications.

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    Then again I might be off base with the use of the EGT rear control arm. Definitely know you need to use spacers with the zx2 stock tubular rear control arms.

    That whole setup in your picture is so clean, inspiring, gotta love the west coast. You probably just unbolted the spindle bolt and pulled it right out too. Rust city here on the east coast, gotta use a torch to get them loose.

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    Pretty much. Not much rusts out here. I saw a '69 Chevelle sit in my neighbors yard uncovered out in the elements for 5 years and, outside of surface rust, there wasn't much more damage to the car. It got rained on, out in the blazing sun, etc.

    I bolted the EGT spindles to the Escort arms so maybe that is why it bolted on without issue?

    John

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    Default Price Please.

    Quote Originally Posted by Novanutcase View Post
    The EGT setup will bolt directly to the car. No adapters needed. I know this because, as far as I know, the ZX2 suspension is identical to the Escort one. I have an Escort and did the conversion and, you guessed it, it bolted up without any modification necessary. I have an entire EGT setup for sale if you are interested. In my case I dropped the entire subframe and went through it all. The white bar in the middle is a tie bar off of an MX3 GS. This is what it looked like before I installed it back into the car.



    As far as a mastercylinder, I know that one off a Tracer with 4 wheel disc brakes will work. I also have one of these for sale. If you are interested in both the DB's and the MC let me know and we can make arrangements to ship the parts out to you.
    Price ??? location ???
    John
    Price ??. Location ???

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    LOL. That's a pic of the subframe that's installed in his wagon.....

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    Check your PM. Tracer Disc Brake Master Cylinder.



    John

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    thanks for all the info PnP'ing the head - DaviDawg A slice for the man - CJW For being the go to guy on PnP. - rascal 

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    Escort_reardiscbrakes18.jpg

    I've shown these for years on here for people that want to swap the rear disc brakes . Everything is listed but the cables ,I threw those out . All the parts where blasted and looked like new ,now there starting to tarnish again . The two bushings in the middle of the pic are the parts to make the spacers , cut to 3/4" off the flared end and use that . I did the swap back in '97-'98 using a '91 EGT , rebult the calipers and been running almost 20 yrs . They have been packed in a box for probably 10-12 yrs , last time I looked they were still in pretty good shape .

    PS. There are some caliper rebulid kits in those little boxes in the pics .

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    Quote Originally Posted by porourke View Post
    Price ??. Location ???
    Did you get the PM I sent you?

    John

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    Yes, the car is having a roll cage welded in it right now so when I get it back (Sunday) i will evaluate and get back to you.
    thanks

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    Found a junk yard complete rear end with discs, a little rusty but it will work. Thanks for all the advice.

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