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Wilwood Brakes Upgrade

Discussion in 'Intermediate CJ-5 and CJ-6 Tech' started by 74CJ5 Renegade, Nov 19, 2018.

  1. Nov 19, 2018
    74CJ5 Renegade

    74CJ5 Renegade Member

    Houston, TX
    Dec 1, 2002
    My CJ goes really well with the 304, Edelbrock Intake, Holley 650, 9:1 compression and performance cam. My issue is stopping it takes a long distance and a short prayer. I’m sure I could do a better job adjusting the drum brakes but I really want disc brakes.

    I couldn’t figure out why there wasn’t a Wilwood kit for the 1974 CJ. Ummm duh, there isn’t a tab to mount the brake caliper on the knuckle.

    So... I have decided to fit later CJ disc brake knuckles (and all associated parts) and get a set of Wilwood front brakes. I might do an axle swap for rears but that will be way in the future!

    So far I bought a set of knuckles. One new and one used. Only you can only buy the driver’s side new...???

    I am going to get the knuckles powder coated and ready for install. Once that is done I will have new ball joints pressed in.

    I need to buy: spindles, hubs, locking hubs and nuts,washers, bearings. Oh, and the brake kit!

    I don’t think my 15 inch rims will work. The kit calls for a 16 inch rim but I run spacers so maybe that gives me more room?? If not I need some new Super Swampers anyhow...... the ones on her are 35 yrs old! So I might go 16in rims / new tires.

    Will my master cylinder work? Is the existing proportioning valve ok? Anything I am not thinking if or looking at the wrong way??

    Anyone else try this yet?

    Do my drum brakes / drum knuckles have much value?
  2. Nov 20, 2018

    sterlclan Member Sponsor

    exploring the...
    Feb 21, 2009
    The 11 inch drums are a good upgrade for an early someone wants em.
  3. Nov 20, 2018

    47v6 junk wrecker! Sponsor

    Washington DC.
    Oct 25, 2006
    Chevy caliper mounts, 1977 jeep cj5 disks and blazer calipers with pads. The hubs should be for a D30 disk brake setup as the inside is machined for the disk to run true. I did all mine with sale parts from rock auto.

    I originally did mine for a D25, but its the same for a d30 aside from having to grind a very small bit off the caliper.

    Part Number Part Type Price EA Core EA Quantity Total
    0 No Vehicle Specified
    DORMAN 610106 (610-106) Lug Stud $ 1.30 $ 0.00 10 $ 13.00
    1979 CHEVROLET K10 PICKUP 5.7L 350cid V8
    CENTRIC 14166005 (141.66005) Caliper $ 16.31 $ 0.00 1 $ 16.31
    CENTRIC 14166006 (141.66006) Caliper $ 16.31 $ 0.00 1 $ 16.31
    RAYBESTOS RRD153M Brake Pad
    Wholesaler Closeout -- 30 Day Warranty $ 9.15 $ 0.00 1 $ 9.15
    1977 JEEP CJ5 5.0L 304cid V8
    CENTRIC 12163004 (121.63004) Rotor $ 26.99 $ 0.00 2 $ 53.98
    Shipping Priority Mail, Ground $ 40.75
    Order Total $ 149.50

    You also need the brake caliper mounts and I would buy the disk hubs too.
    Last edited: Nov 20, 2018
    IrishCJ6 and ITLKSEZ like this.
  4. Nov 20, 2018
    Howard Eisenhauer

    Howard Eisenhauer Super Moderator Staff Member Sponsor

    Tantallon, Nova...
    Nov 22, 2003
    You'll need to change out the residual pressure valves, they'll be set for 10 lbs & you only want 2 lbs for disks, not sure on yours but they may be built into the proportioning valve.

    x2- I'll guarantee therer's someone here who wants them.

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