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  #1  
Old 01-12-2010, 10:41 AM
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Front Disc Brake Conversion 68 J 3000

Im ready to get rid of my old drum brakes on the front and replace with discs. Not looking to spend a pile of money, and Im looking for a bolt right up setup. Anyone care to share their ideas?
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Jordan Dagenais

1968 J3000 9 inch lift, built big block buick, 35"x 13.5 Toyo Mud Terrains mounted on 15x10 +35mm offset Eagle alloys
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  #2  
Old 01-12-2010, 12:32 PM
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BJ's has a kit and if you search, you will find a thread with a parts list, if you want to gather the parts yourself.
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1979 Cherokee - Built 401, NV4500, Dana 300, 6" BJ's Lift w/ Bilstein 5125 Shocks, Goodyear Wrangler MT/R 35X12.5R15, Front Brake Upgrade w/ GM 2500 Calipers & EBC Pads, Rear Disc Brake Conversion, Z&M Jeeps Dash Insert w/ VDO Series 1 Gauges, Tad Rack, Ramsey Hidden Winch w/ REP8000, Hydroboost, CS140

1967 J3500 - Making plans
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  #3  
Old 01-12-2010, 10:40 PM
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Cool, thanks man! Searched and found this article out of JP magazine, lists all the goodies I need!
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Jordan Dagenais

1968 J3000 9 inch lift, built big block buick, 35"x 13.5 Toyo Mud Terrains mounted on 15x10 +35mm offset Eagle alloys
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  #4  
Old 01-12-2010, 10:57 PM
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I only paid 6 for my dana 60 big brake swap already installed on the dana 60 I bought!!!

reffering to bjs kit
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  #5  
Old 01-12-2010, 11:13 PM
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can you post the link to the jp mag artical?
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81 chief-straight six auto soa and 3 inch body lift 3/4 ton running gear...37 boggers...ready for 39s....Wheeler
74 401 t18 lifted 6" on 33s for now..soon to be firewood/tow rig
73 j4000 -360-th400 d20 on 33s....now the farm rig
Couple parts jeeps
66 chevelle ss-396
66 chevelle clone 396

Stuff for free.....is worth saving up for
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  #6  
Old 01-13-2010, 12:49 AM
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I think this might be the article he is talking about.
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78 Wagoneer, 401, Turbo400, QT, Posi Rear, 4" lift, 33X10.5 BFG
69 Gladiator, Buick 350, T18, 14B, 44HD, Cross-over HIgh Steer, Hydroboost, 6" Lift, QR78 Buckshots
63 CJ5, 302 Ford

Owner Buckstop Truckware, Inc
www.buckstop.biz
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  #7  
Old 01-13-2010, 09:06 AM
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Link didn't show up.

http://jp.automotive.com/26367/154-0...ion/index.html

My rotors are 2.8" high and they touch the caliper bracket. AZ part #5109 is listed as 56mm or 2.2" high. Pricey. Tried Ford and Dodge rotors and spindles, outer shafts would not line up U-joint with kingpin. Currently looking at newer Dodge rotors to fit over flange, not behind it.
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Lyle

Seemed like a good idea at the time...
69 1414x Wagoneer 350/TH400 DD & Ski Ride
68 Chevelle wagon 350/BWT50
68 Impala wagon 327/400
73 Cougar droptop 351C/FMX Garage Queen
04 Impala LS - Wife's DD
73 Wagoneer parts donor


Last edited by lkmarsh : 01-13-2010 at 09:23 AM.
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  #8  
Old 01-13-2010, 09:52 AM
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You need to click on the word "this" to go directly to the link.
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78 Wagoneer, 401, Turbo400, QT, Posi Rear, 4" lift, 33X10.5 BFG
69 Gladiator, Buick 350, T18, 14B, 44HD, Cross-over HIgh Steer, Hydroboost, 6" Lift, QR78 Buckshots
63 CJ5, 302 Ford

Owner Buckstop Truckware, Inc
www.buckstop.biz
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  #9  
Old 01-13-2010, 09:54 PM
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Oops, didn't see the blue, new glasses should arrive next week.
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Lyle

Seemed like a good idea at the time...
69 1414x Wagoneer 350/TH400 DD & Ski Ride
68 Chevelle wagon 350/BWT50
68 Impala wagon 327/400
73 Cougar droptop 351C/FMX Garage Queen
04 Impala LS - Wife's DD
73 Wagoneer parts donor

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  #10  
Old 01-14-2010, 12:09 AM
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Found a D44 out of a 77 Chevy 1/2T tonight for $25! On my way to a little disc action
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78 Wagoneer, 401, Turbo400, QT, Posi Rear, 4" lift, 33X10.5 BFG
69 Gladiator, Buick 350, T18, 14B, 44HD, Cross-over HIgh Steer, Hydroboost, 6" Lift, QR78 Buckshots
63 CJ5, 302 Ford

Owner Buckstop Truckware, Inc
www.buckstop.biz
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  #11  
Old 01-14-2010, 07:45 AM
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Gambler68 Gambler68 is offline
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are you going to just swap the outers, or the whole D44?
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1979 Chero S "Sundog" 1979 Chero S "Hammer"
1968 327 J3000 1978 J10SWB
The Edge... there is no honest way to explain it because the only people who really know where it is are the ones who have gone over.
Hunter S. Thompson .

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  #12  
Old 01-14-2010, 12:15 PM
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No, I think I will just go with the outers and keep the original axle and bolt pattern.
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78 Wagoneer, 401, Turbo400, QT, Posi Rear, 4" lift, 33X10.5 BFG
69 Gladiator, Buick 350, T18, 14B, 44HD, Cross-over HIgh Steer, Hydroboost, 6" Lift, QR78 Buckshots
63 CJ5, 302 Ford

Owner Buckstop Truckware, Inc
www.buckstop.biz
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  #13  
Old 01-20-2010, 03:23 AM
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Master??

The article doesn't mention a front disc master cylinder upgrade. I'm considering using a '74-'80 I think J-truck piece for my '69 upgrade, requiring converting to a pedal mounted brake switch. Does this sound right???
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--Dan
69 J3600 Dauntless 350 T-18 D20 4.09 D53-D44 utility boxes on bedsides 'FARM TRUCK'
69 J2600 Dauntless 350 T400 D20 4.09 Powr-Lok D53-D44 'PROJECT'
68 J3600 Dauntless 350 T-18 D20 4.09 Powr-Lok D53, D44 'PARTS'
69 J3600 Dauntless 350 T400 D20 4.09 D53-D44 'PARTS'
70 Buick Skylark convert 350-4
70 Buick GS455 Stage 1 hardtop project
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  #14  
Old 01-20-2010, 05:30 AM
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I would think a master from a later model (mid 70's) FSJ with disc brakes would work fine for your app.

Do you have manual or power brakes right now?

Also, you don't need to use a pedal mounted switch. You can plumb in a hydraulic switch in the brake lines and re-use your original plug.
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Thomas Russell
1975 Chevy K20 8400lb GVW Camper Special
1971 Gladiator
J2000 Platform-Stake Dump 350/T18

1970 Gladiator J3000 3407Z Camper Truck 350/T18
1963 Gladiator J300 Townside 350/TH400

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  #15  
Old 01-20-2010, 08:03 AM
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Gambler68 Gambler68 is offline
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That switch you see on your newer brake pedal isnt a brake switch, its the kick down for the TH400. common mistake.
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1979 Chero S "Sundog" 1979 Chero S "Hammer"
1968 327 J3000 1978 J10SWB
The Edge... there is no honest way to explain it because the only people who really know where it is are the ones who have gone over.
Hunter S. Thompson .

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  #16  
Old 01-20-2010, 08:21 AM
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Tonka J200 Tonka J200 is offline
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Isn't the kick down switch on the gas pedal, and the one on the brake pedal is the stoplight switch?
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'63 J200 2WD
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'91 Grand Wagoneer Final Edition
"If you're going to laugh about it someday, you might as well start now".
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  #17  
Old 01-20-2010, 09:05 AM
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lkmarsh lkmarsh is offline
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Hydraulic switch in the brake line was a bad idea. It's just another leak waiting to happen. Brake pedal should have either a brake light switch or cruise control release. It's easy to rig a brake light switch to the pedal, I used a GM part.
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Lyle

Seemed like a good idea at the time...
69 1414x Wagoneer 350/TH400 DD & Ski Ride
68 Chevelle wagon 350/BWT50
68 Impala wagon 327/400
73 Cougar droptop 351C/FMX Garage Queen
04 Impala LS - Wife's DD
73 Wagoneer parts donor

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  #18  
Old 01-20-2010, 12:31 PM
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Quote:
Originally Posted by KaiserMan
I would think a master from a later model (mid 70's) FSJ with disc brakes would work fine for your app.

Do you have manual or power brakes right now?

Also, you don't need to use a pedal mounted switch. You can plumb in a hydraulic switch in the brake lines and re-use your original plug.

That's the master I'll use. I have power brakes. Sounds like I'll need to trim my brake rod by 1-1/8"
I'm away from my Jeeps right now but it seems to me that hyd. switch on the bottom of the master can't be added to the disc master. does that switch control the brake lights AND system idiot light???
Lyle, I agree on the ease of replacing it with a brake pedal switch from a Skylark, if the warning light gets its signal from a prop valve like GM....

Thanks for your help guys....
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--Dan
69 J3600 Dauntless 350 T-18 D20 4.09 D53-D44 utility boxes on bedsides 'FARM TRUCK'
69 J2600 Dauntless 350 T400 D20 4.09 Powr-Lok D53-D44 'PROJECT'
68 J3600 Dauntless 350 T-18 D20 4.09 Powr-Lok D53, D44 'PARTS'
69 J3600 Dauntless 350 T400 D20 4.09 D53-D44 'PARTS'
70 Buick Skylark convert 350-4
70 Buick GS455 Stage 1 hardtop project
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  #19  
Old 01-20-2010, 02:20 PM
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I used a M/C from a '76 CJ with non-power disc/drum. It bolted right up to my '71.
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  #20  
Old 01-20-2010, 03:15 PM
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That's good to know-- I need to stay with PB so my wife can use it to plow the driveway when I'm at work....
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--Dan
69 J3600 Dauntless 350 T-18 D20 4.09 D53-D44 utility boxes on bedsides 'FARM TRUCK'
69 J2600 Dauntless 350 T400 D20 4.09 Powr-Lok D53-D44 'PROJECT'
68 J3600 Dauntless 350 T-18 D20 4.09 Powr-Lok D53, D44 'PARTS'
69 J3600 Dauntless 350 T400 D20 4.09 D53-D44 'PARTS'
70 Buick Skylark convert 350-4
70 Buick GS455 Stage 1 hardtop project
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