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Old 06-24-2014, 07:31 PM   #1
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Dana 30 Knuckles/Options/Differences?

So I needed a new knuckle for my driver side and I scored a pair off ebay for $50 .

Get the knuckles, and they are from an 87 not a 92 or later is what I think I needed. Cant remember for sure. So anyways my caliper is larger and doesn't fit it. I figured I would resell them, but since the caliper mount on the knuckle is bolted on I figured someone would tell me I can get a brake upgrade and turn the money wasted into money well spent.

So is there a larger caliper mount than the 95 version I have? If not, can I at least buy that size caliper mount so I can use this knuckle?

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Old 06-25-2014, 12:48 AM   #2
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Tough to say, looks like a trip to the junk yard to get all the stuff from an earlier YJ. I recently parted out my rubi dana 44 because of a cracked axle tube and built up a HP dana 30 from a XJ, I feel I put too much money into a time bomb, but was fully covered by the parts from the 44. I took some knuckles, calipers, and disc brakes off a WJ from the pull yard since the brakes are a little bigger and the tie rod sits on top of the knuckles. Overall a great mod in my opinion, took some modification and you have to use WJ unit bearings which meant a long wait for the brown truck for me haha

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Old 06-25-2014, 08:32 AM   #3
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Quote:
Originally Posted by c5wagner View Post
Tough to say, looks like a trip to the junk yard to get all the stuff from an earlier YJ. I recently parted out my rubi dana 44 because of a cracked axle tube and built up a HP dana 30 from a XJ, I feel I put too much money into a time bomb, but was fully covered by the parts from the 44. I took some knuckles, calipers, and disc brakes off a WJ from the pull yard since the brakes are a little bigger and the tie rod sits on top of the knuckles. Overall a great mod in my opinion, took some modification and you have to use WJ unit bearings which meant a long wait for the brown truck for me haha
I have the Rocky road ott kit. So I have a true high steer. I also need to stay with the same style knuckle because of that, unless anyone knows if they fit the wj. I could ask the manufacturer, but I am pretty sure they don't. That is why if another brake mount fit it would be perfect
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Complete rebuild axle/engine/everything swap in progress:
Parts already gathered for assembly: 2001 Ford 302, 1990 Mustang GT 5.0 ECU and wiring, NP435, NP205, Pair of axles from 04' F350 SuperDuty (Sterling 10.5 Posi rear, Dana 60HP Front-Both Disk Brakes 3.73 Gears), 37" H1 Tires, 9" lift TJ Coils for 2 link conversion in front, Stage 2 Clutch Kit, 3 Row Aluminum Radiator, Chevy Astro Steering box (4" front Stretch), XJ Rear Leaf Springs (6" Rear Stretch), and lots more.
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Old 06-25-2014, 03:08 PM   #4
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I have an 87 with 97 knuckles on the Dana 30, and they were a direct fit. Your post has me puzzled as to why you are having a fitment problem.

I got the knuckles when I got the 1-piece axles. But I used my brakes and calipers from the 87.
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Old 06-26-2014, 10:00 AM   #5
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Quote:
Originally Posted by 0III0forlife View Post
I have an 87 with 97 knuckles on the Dana 30, and they were a direct fit. Your post has me puzzled as to why you are having a fitment problem.

I got the knuckles when I got the 1-piece axles. But I used my brakes and calipers from the 87.
My brakes are larger. Sounds like your brakes weren't stock. They fit fine on the 98 knuckles I just got yesterday, but are too big for the 87 knuckle by about a quarter inch.
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Complete rebuild axle/engine/everything swap in progress:
Parts already gathered for assembly: 2001 Ford 302, 1990 Mustang GT 5.0 ECU and wiring, NP435, NP205, Pair of axles from 04' F350 SuperDuty (Sterling 10.5 Posi rear, Dana 60HP Front-Both Disk Brakes 3.73 Gears), 37" H1 Tires, 9" lift TJ Coils for 2 link conversion in front, Stage 2 Clutch Kit, 3 Row Aluminum Radiator, Chevy Astro Steering box (4" front Stretch), XJ Rear Leaf Springs (6" Rear Stretch), and lots more.
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Old 06-26-2014, 11:03 AM   #6
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It was probably in your best interest to get another set of knuckles anyway, the pre 91 have weak caliper mounts and those bolts that retain them sheer.
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Build Thread: http://www.wranglerforum.com/f330/fi...ld-385106.html
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Old 06-26-2014, 11:06 AM   #7
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Quote:
Originally Posted by c5wagner View Post
It was probably in your best interest to get another set of knuckles anyway, the pre 91 have weak caliper mounts and those bolts that retain them sheer.
I was still going I could find larger caliper mounts I would mount with grade 8 hardware and some spot welds.


I have had some great success welding cast lately.
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Complete rebuild axle/engine/everything swap in progress:
Parts already gathered for assembly: 2001 Ford 302, 1990 Mustang GT 5.0 ECU and wiring, NP435, NP205, Pair of axles from 04' F350 SuperDuty (Sterling 10.5 Posi rear, Dana 60HP Front-Both Disk Brakes 3.73 Gears), 37" H1 Tires, 9" lift TJ Coils for 2 link conversion in front, Stage 2 Clutch Kit, 3 Row Aluminum Radiator, Chevy Astro Steering box (4" front Stretch), XJ Rear Leaf Springs (6" Rear Stretch), and lots more.
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Old 06-26-2014, 11:07 AM   #8
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Quote:
Originally Posted by c5wagner View Post
It was probably in your best interest to get another set of knuckles anyway, the pre 91 have weak caliper mounts and those bolts that retain them sheer.
I was still hoping I could find larger caliper mounts I would mount with grade 8 hardware and reinforce with some spot welds.


I have had some great success welding cast lately.
__________________
Complete rebuild axle/engine/everything swap in progress:
Parts already gathered for assembly: 2001 Ford 302, 1990 Mustang GT 5.0 ECU and wiring, NP435, NP205, Pair of axles from 04' F350 SuperDuty (Sterling 10.5 Posi rear, Dana 60HP Front-Both Disk Brakes 3.73 Gears), 37" H1 Tires, 9" lift TJ Coils for 2 link conversion in front, Stage 2 Clutch Kit, 3 Row Aluminum Radiator, Chevy Astro Steering box (4" front Stretch), XJ Rear Leaf Springs (6" Rear Stretch), and lots more.
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Old 06-26-2014, 11:58 AM   #9
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I cant say if the ones I have are stock or not. I got rotors and pads for an 87 and they worked. But I have never replaced a caliper yet.

I guess it is something to look forward to, if they aren't stock and I order stock...lol.

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