1. Registration trouble? Please use the "Contact Us" link at the bottom right corner of the page and your issue will be resolved.
    Dismiss Notice

Best Disc Brake Conversion Kit For 73 Cj 5

Discussion in 'Intermediate CJ-5/6/7/8' started by Miami66, Aug 8, 2021.

  1. Miami66

    Miami66 Member

    Time to stop risking my life! What conversion kit do I recommend to my mechanic? In previous posts there seem to be lots of supporters of Brennan’s Garage. Any feedback is appreciated. Thx

    Carlos
    Gainesville,Fl
     
  2. sterlclan

    sterlclan Member 2024 Sponsor 2022 Sponsor

    The Brennan brackets are easy and inexpensive.
     
    Iandavidh likes this.
  3. colojeepguy

    colojeepguy Colorado Springs

    Your Jeep should have 11x2" drum brakes, which are entirely adequate for stopping a CJ
    (unless they get wet!)
    If everything is working properly you should be able to stop just fine, without risk to your life...
     
    Iandavidh likes this.
  4. Jw60

    Jw60 That guy 2024 Sponsor 2023 Sponsor 2022 Sponsor

    Unless someone swipped the brakes for early small drums... keep the 11" rear drums with parking brakes. The fronts should be fine with 11" drums but with a d30 you could go to slightly newer disks on the front.

    What material shoes are you using? With manual brakes you want organic shoes and pads. The performance stuff is for power brakes and don't work with mortals.
     
  5. bigjohn

    bigjohn Active Member

    Ya properly functioning and adjusted 11” drums should you ya. That said if you’re running larger tires, discs aren’t an awful idea. My 75 on 35” tires stops better with 4 wheel manual discs that the stock 74 on 31”s.

    I used R&P disc kits on all 4 corners. I’ve toyed with trying Brennan’s on the rear of the 75 just for the electric parking brake option Once a few projects are cleared.
     
  6. Lockman

    Lockman OK.....Now I Get It . 2024 Sponsor 2023 Sponsor 2022 Sponsor

    I posted some Media here , back when I did my conversion on my '75 . From Horsepower Sales outta Wisconsin. Best thing I ever did to mine. Night & Day difference.
     
    Last edited: Aug 11, 2021
    Criss likes this.
  7. 52M38-73CJ5

    52M38-73CJ5 Member

    Go front disc and stop straight. I have a scout D44 with disc up front using my D30 knuckles with drum in the rear. They will fit your D30 with some grinding.
     
  8. supertrooper

    supertrooper Member

    I have the chevy k10 front brakes and ford fusion rears with electric park brake. I am very happy with this set up.
     
  9. TheBeav1955

    TheBeav1955 Member

    I found the knuckles from a newer D30 that had disk brakes was an easy swap. I could never stop straight with the drums up front never knew which way it was going to pull.
     
  10. timgr

    timgr We stand on the shoulders of giants. 2022 Sponsor

    Yes, if you are going to have your mechanic do it, swapping the knuckles-out from a later disk brake axle could be the best route. Labor is expensive.

    Either that, or purchase one of the all-inclusive kits that uses the GM caliper brackets, calipers and disks. R&P used to have a nice kit, though I'm not sure if they are still a going concern. The HP Sales kit looks interesting - I would be sure to get a list of replacement part sources with the kit. You don't want to be locked in to buying service parts from the original seller.
     
    Criss likes this.