Disk brake upgrade

Projectile Dart said

For the record, I have 11.75" mopar rotors sitting on '73 style bbp spindles and I am very happy with the braking performance. I currently have them set up with a power booster (same booster and MC out of a 73 duster) but I eventually want to go to a manual brake set up with the 15/16" MC. I have heard really good things about that combo.

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Yeah I’ve run 11.75” rotors and the 2.75” piston calipers on my Challenger for 70k+ miles and on my Duster for awhile as well (it now has 13” brakes). I ran 275/40/17’s on the Challenger and never had an issue with the braking capabilities. It’s a relatively small change but it makes for a nice improvement.

You can also get better brake pads, @BergmanAutoCraft has high performance brake pads for those calipers that should help as well.