Gutting Combi Valve (proportioning) on '73 Cuda for 4 wheel disc

[ledphoot]

Hey guys... I didn't think through my four wheel disc setup thoroughly enough. I purchased all new stainless brake lines from inline tube, which are great BTW, but my Combi Valve is original and kind of junky looking and I cannot find a reproduction of it. So I got a rebuild kit with all the seals / o-rings etc. and I am planning on gutting the proportioning valve portion out of the combi valve so I can utilize an external balancer for the rear disc.

Has anybody else gone through this? Any suggestions?

[dodj]

Unless originality is your thing, I would replace the original with this
https://www.summitracing.com/int/parts/wil-260-11179/overview/
Built in adjuster for the rears.

[GoodysGotaCuda]

You need a way to adjust in the rear bias.