My duster currently has 9" drums but I have FMJ spindles and A-body upper control arms. I do have the rotors and calipers but figured those are best used as cores. What else is needed to upgrade the brakes to the 11.75 discs?
What's needed to upgrade?
- Thread starter 75slant6
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1970Duster
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11.75 caliper adaptors
Where do I get said adapters?
Rats. Guess I shoulda pulled the mc of the 74 Valiant that I got my UCAs from Monday. Might go back Saturday n get it.
abodyjoe
Well-Known Member
Thanks Joe. Will the prop valve from the 79 aspen work? Now that I think about it I'd pulled that off when I got all the brake stuff. Wish I'd gotten to the 74 valiant at the pull a part b4 someone robbed all the brake stuff.
Dr. Diff sells them for $90
http://www.doctordiff.com/disc-brake-slider-caliper-mounts-backets-for-11-3-4-rotor-upgrade.html
Probably. I wouldn't be surprised if they were the same. Depending on the rear brakes, the Aspen may have had larger diameter rear wheel cylinders. That could alter the bias a little. But that's a pretty well known trick for fine tuning brake bias anyway, changing to the later wheel cylinders to keep the rears from locking up early.
I might just put on the brake stuff I have then I ca. Always upgrade to the 11.75 later.
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