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Update: Dual circuit brakes 120-130

Oliver;

I fail to see the big deal about swapping out the backing plates (are these what Martin refers to as consoles?). These are just sheet metal, and if I was doing a brake upgrade, I'd probably go ahead and just cut them to accomodate the four piston calipers....easy...my big fear is that the steering knuckles need to be replaced also...that would probably kill the project for me...

For reference and My info, are you calling a 140 master the "correct" master cylinder? Don't forget, it was mounted to, and intended to work with a vac assist unit...maybe not a problem operation vise, but I recall a mounting issue with some dual master cylinders...they have mounts at 3 and 9 o'clock, and the holes in a 122 are at 12, and 6 o'clock. It would seem to me it a 140 master was suitable, that would be desireable since it should be easily available and not too expensive.

Here is my attempt to show the relavant exploded front suspension diagram [source: http://www.gcp.se], so we can refer to the components by their number designation:




Cheers







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