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Brakes

Discussion in 'Wrangler TJ (1996-2006)' started by RobMCPO, Jun 1, 2018.

  1. Jun 1, 2018 at 9:02 AM
    #1
    RobMCPO

    #1
    RobMCPO [OP] Member

    Joined:
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    Rob
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    1998 Wrangler
    4"lift, all new suspension, paint.
    Hey Folks

    I would like to convert my Wife's rear Drum brakes to Disc. Any advice how to get started, and all that's involved?

    Thanks in advance

    Rob Robinson
     
    RobMCPO, Jun 1, 2018
    #1
  2. Jun 1, 2018 at 9:08 AM
    #2
    OFFGRID

    #2
    OFFGRID Well-Known Member

    Joined:
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    Peter
    Houston
    Vehicle:
    1979 Jeep CJ7, 258, TH350, NP208
    Howell fuel injection, header, HEI distributor, TH350, NP208, SOA lift with YJ springs in the front & GW springs in the Rear. AMC20 with G2 1 piece chromos trussed, Dana 30 with G2 chromos and 760x ujoints and MM Stainless Hubs, Geared 4.56. Tom Woods shafts, Metal cloaks, Caged, 37" Toyo MTs.
    What vehicle does your wife drive?
     
    OFFGRID, Jun 1, 2018
    #2
  3. Jun 1, 2018 at 9:10 AM
    #3
    RobMCPO

    #3
    RobMCPO [OP] Member

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    1998 Wrangler
    4"lift, all new suspension, paint.
    It's a 1998 Wrangler that I had lifted, painted and overall restored. It was her Dad's who passed away, so she is very attached. It looks great, but I would like to covert rear brakes to disc.
     
    RobMCPO, Jun 1, 2018
    #3
  4. Jun 1, 2018 at 9:16 AM
    #4
    OFFGRID

    #4
    OFFGRID Well-Known Member

    Joined:
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    Member:
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    Messages:
    2,018
    Gender:
    Male
    First Name:
    Peter
    Houston
    Vehicle:
    1979 Jeep CJ7, 258, TH350, NP208
    Howell fuel injection, header, HEI distributor, TH350, NP208, SOA lift with YJ springs in the front & GW springs in the Rear. AMC20 with G2 1 piece chromos trussed, Dana 30 with G2 chromos and 760x ujoints and MM Stainless Hubs, Geared 4.56. Tom Woods shafts, Metal cloaks, Caged, 37" Toyo MTs.
    Do you have a Dana 35 in the rear?
     
    OFFGRID, Jun 1, 2018
    #4
  5. Jun 1, 2018 at 9:19 AM
    #5
    RobMCPO

    #5
    RobMCPO [OP] Member

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    1998 Wrangler
    4"lift, all new suspension, paint.
    It's just the factory rear..
    .
     
    RobMCPO, Jun 1, 2018
    #5
  6. Jun 1, 2018 at 9:33 AM
    #6
    OFFGRID

    #6
    OFFGRID Well-Known Member

    Joined:
    Oct 3, 2016
    Member:
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    Messages:
    2,018
    Gender:
    Male
    First Name:
    Peter
    Houston
    Vehicle:
    1979 Jeep CJ7, 258, TH350, NP208
    Howell fuel injection, header, HEI distributor, TH350, NP208, SOA lift with YJ springs in the front & GW springs in the Rear. AMC20 with G2 1 piece chromos trussed, Dana 30 with G2 chromos and 760x ujoints and MM Stainless Hubs, Geared 4.56. Tom Woods shafts, Metal cloaks, Caged, 37" Toyo MTs.
    It could be a Dana 44 (rare in a TJ/ only came with Towing package), but most likely it is a 35. If it is a Dana 35, IMO the best thing to do would be to find you a ford 8.8 (usually from a ford explorer) that has rear disk brakes on it already. You are then getting a much stronger axle and disk brakes for very similar cost to ordering a disk brake kit. The only thing you have to do to the axle is move the spring perches in. What ever you do whether a kit or an axle you will have to change the master cylinder (MC) out to a disk front/rear MC. The disk/drum MC does not move enough fluid to activate the rear disk brakes. When you order disk brake kits they don't tell you this, and they don't usually come with a MC. I bet you could find a newer TJ like a 2006 in a junkyard and pull the rear brake assemblies off including brake hoses, MC, and mounting brackets, and retrofit it to your jeep. Sounds like you're in for a little research and fun.
     
    OFFGRID, Jun 1, 2018
    #6
    chris4x4 and RobMCPO[OP] like this.
  7. Jun 1, 2018 at 9:39 AM
    #7
    RobMCPO

    #7
    RobMCPO [OP] Member

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    Vehicle:
    1998 Wrangler
    4"lift, all new suspension, paint.
    Thanks Brother. 4 Wheel parts quoted ne $1,000.00 installed. Might be worth that for the migraine I could avoid:)
     
    RobMCPO, Jun 1, 2018
    #7
  8. Jun 1, 2018 at 9:42 AM
    #8
    OFFGRID

    #8
    OFFGRID Well-Known Member

    Joined:
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    Messages:
    2,018
    Gender:
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    First Name:
    Peter
    Houston
    Vehicle:
    1979 Jeep CJ7, 258, TH350, NP208
    Howell fuel injection, header, HEI distributor, TH350, NP208, SOA lift with YJ springs in the front & GW springs in the Rear. AMC20 with G2 1 piece chromos trussed, Dana 30 with G2 chromos and 760x ujoints and MM Stainless Hubs, Geared 4.56. Tom Woods shafts, Metal cloaks, Caged, 37" Toyo MTs.
    Where do you live? 4wheelparts are popping up like fire ants. Also why the upgrade to rear disk? Are you having trouble stopping after big tire upgrade?
     
    OFFGRID, Jun 1, 2018
    #8
    chris4x4 likes this.
  9. Jun 1, 2018 at 9:46 AM
    #9
    RobMCPO

    #9
    RobMCPO [OP] Member

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    Male
    First Name:
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    Vehicle:
    1998 Wrangler
    4"lift, all new suspension, paint.
    I live in San Diego. There are several locations here. They did the lift and tires/rims. It stops ok, but my Wife is use to driving my new Stingray. Lol. I suspect with the disc conversion it would stop better...
     
    RobMCPO, Jun 1, 2018
    #9
  10. Jun 1, 2018 at 10:04 AM
    #10
    Prerunner1982

    #10
    Prerunner1982 Well-Known Member

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    Prerunner1982, Jun 1, 2018
    #10
    RobMCPO[OP] and OFFGRID like this.
  11. Jun 1, 2018 at 10:06 AM
    #11
    OFFGRID

    #11
    OFFGRID Well-Known Member

    Joined:
    Oct 3, 2016
    Member:
    #317
    Messages:
    2,018
    Gender:
    Male
    First Name:
    Peter
    Houston
    Vehicle:
    1979 Jeep CJ7, 258, TH350, NP208
    Howell fuel injection, header, HEI distributor, TH350, NP208, SOA lift with YJ springs in the front & GW springs in the Rear. AMC20 with G2 1 piece chromos trussed, Dana 30 with G2 chromos and 760x ujoints and MM Stainless Hubs, Geared 4.56. Tom Woods shafts, Metal cloaks, Caged, 37" Toyo MTs.
    The rear brakes only do about 25% of the stopping, and the difference between drum and disk in the rear is minimal. Where you really notice the difference is in a sports car where speed, stop, speed, stop come in. The drum brakes take longer to cool off and thereby get brake fade before disk brakes. If you are looking for more stopping power you would be better off going with a big brake kit in the front, but you could do both. Wilwood makes a big brake kit for front and back that sells for about $1k each, but you have to get YJ spindles in the front (not a big deal) and have a minimum of 16" wheels to clear the larger brakes to make them work. Depending on you wheel size, it might be a bigger investment than it's worth.
     
    OFFGRID, Jun 1, 2018
    #11
  12. Jun 1, 2018 at 10:11 AM
    #12
    RobMCPO

    #12
    RobMCPO [OP] Member

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    1998 Wrangler
    4"lift, all new suspension, paint.
    Cool. Well I might do more research before I make an investment. I appreciate your help and advice. Have a great weekend.
     
    RobMCPO, Jun 1, 2018
    #12
  13. Jun 1, 2018 at 10:13 AM
    #13
    OFFGRID

    #13
    OFFGRID Well-Known Member

    Joined:
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    Member:
    #317
    Messages:
    2,018
    Gender:
    Male
    First Name:
    Peter
    Houston
    Vehicle:
    1979 Jeep CJ7, 258, TH350, NP208
    Howell fuel injection, header, HEI distributor, TH350, NP208, SOA lift with YJ springs in the front & GW springs in the Rear. AMC20 with G2 1 piece chromos trussed, Dana 30 with G2 chromos and 760x ujoints and MM Stainless Hubs, Geared 4.56. Tom Woods shafts, Metal cloaks, Caged, 37" Toyo MTs.
    Lucky you! I hear San Diego is beaux all the time. I have a friend who went there for vacation after college and never came home. We talk about the move, but nothing ever comes of it.
     
    OFFGRID, Jun 1, 2018
    #13
    RobMCPO[QUOTED][OP] likes this.
  14. Jun 1, 2018 at 10:18 AM
    #14
    RobMCPO

    #14
    RobMCPO [OP] Member

    Joined:
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    Messages:
    8
    Gender:
    Male
    First Name:
    Rob
    Vehicle:
    1998 Wrangler
    4"lift, all new suspension, paint.
    I spent 30 years in the Navy here in San Diego. I retired in 2013 and stayed. It's very expensive to live here, but the weather is always nice. I'm originally from Ohio, but joined the Navy in 1983. Life is good:)
     
    RobMCPO, Jun 1, 2018
    #14
  15. Jun 1, 2018 at 10:22 AM
    #15
    OFFGRID

    #15
    OFFGRID Well-Known Member

    Joined:
    Oct 3, 2016
    Member:
    #317
    Messages:
    2,018
    Gender:
    Male
    First Name:
    Peter
    Houston
    Vehicle:
    1979 Jeep CJ7, 258, TH350, NP208
    Howell fuel injection, header, HEI distributor, TH350, NP208, SOA lift with YJ springs in the front & GW springs in the Rear. AMC20 with G2 1 piece chromos trussed, Dana 30 with G2 chromos and 760x ujoints and MM Stainless Hubs, Geared 4.56. Tom Woods shafts, Metal cloaks, Caged, 37" Toyo MTs.
    My wife's family is from Canton and Chardon. I've visited up there. It is even cold in the summer time but it is pretty; you made a good move.
     
    OFFGRID, Jun 1, 2018
    #15
  16. Jun 1, 2018 at 10:25 AM
    #16
    RobMCPO

    #16
    RobMCPO [OP] Member

    Joined:
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    Messages:
    8
    Gender:
    Male
    First Name:
    Rob
    Vehicle:
    1998 Wrangler
    4"lift, all new suspension, paint.
    I was from the Dayton area. I'm thankful I am able to afford to live here. It's usually 72° in most seasons, but gets hot in the summer. The humidity is low here so it's good.
     
    RobMCPO, Jun 1, 2018
    #16
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