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Unread 08-17-2003, 12:05 AM   #1
rustyCJ
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caliper bracket difference?

is there a difference between 78-81 and 82-86 caliper brackets or are they the same? will an 86 caliper mount to a 79 bracket using the 86 hardware or vice versa?

lines arent an issue since the point of the swap is to be able to use later calipers fittings.

give you brownie points if you can guess what the benefit would be of using the later model caliper.......

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Unread 08-17-2003, 07:03 AM   #2
CJeep
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rusty,

Isn't the 79 a six-bolt caliper bracket, where as the 86 is a 2-bolt. I think they are completly different.
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Unread 08-17-2003, 08:43 AM   #3
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I could see wanting to change the whole hub assembly to the earilier style to use 6 bolt premium warn hubs. I've thought about that several times, but never pursued it. Anybody know if that is doable?
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Unread 08-17-2003, 09:16 AM   #4
rustyCJ
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76-78 were 6 bolt, 79-86 were 2 bolt brackets.

swapping 6bolt hubs for 5bolt hubs is done often.
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Unread 08-17-2003, 01:10 PM   #5
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Sorry rusty, you be right
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Unread 08-17-2003, 02:03 PM   #6
pontiac58
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Quote:
Originally Posted by rustyCJ
76-78 were 6 bolt, 79-86 were 2 bolt brackets.

swapping 6bolt hubs for 5bolt hubs is done often.

Just to add here also. somewhere around 81 or 82 they change calipers from a ford style to a GM style. So the mounting brackets are different. Should be the same 2 bolt stlye knuckle but the caliper brackets will be different.

I like the older ford style calipers, they are just easier to change pads on. I hate messing around with the GM bolts. But neither caliper is better or worse for braking purposes.
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Unread 08-17-2003, 04:54 PM   #7
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six bolt calp mounting stoped part way through 78
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Unread 08-17-2003, 04:56 PM   #8
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part way throught 78 early were 6 bolt mounting late 78 were 2 bolt mounting rotor were 1 1/8" for 6 bolt 7/8" for 2 bolt
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1978 cj-7 had since 1979
401 .030 over- full floating flat top pistons
crower solid cam 292 dur .500/.510 lift
turbo 400 tranny 2500 stall
model 20 transfer case
aj delux glass body
4" lift
dana 30 frount
dana 44 rear
4.56 gears
http://img2.photobucket.com/albums/v...slideshow=true
http://photobucket.com/albums/v31/fu...slideshow=true
13.461 @ 92.45 mph on 37" super swampers on 1/4 mile
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Unread 08-17-2003, 06:34 PM   #9
rustyCJ
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Quote:
Originally Posted by pontiac58
Just to add here also. somewhere around 81 or 82 they change calipers from a ford style to a GM style. So the mounting brackets are different. Should be the same 2 bolt stlye knuckle but the caliper brackets will be different.

I like the older ford style calipers, they are just easier to change pads on. I hate messing around with the GM bolts. But neither caliper is better or worse for braking purposes.
this was the original question, are the caliper brackets the same from late 78 on, did the calipers just use different mounting hardware on the same plate? i have now been told they are and they arent. 4wd hardware says all jeep 2 bolt caliper plates were the same.

so does anyone have both plates that can compare them for me?
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Unread 08-17-2003, 06:46 PM   #10
fuzz401
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81 part #left 535-9145
81 right # 535-9144
82/ left # 536-3413
82/ right # 536-3414
caliper mounting brackets part numbers
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1978 cj-7 had since 1979
401 .030 over- full floating flat top pistons
crower solid cam 292 dur .500/.510 lift
turbo 400 tranny 2500 stall
model 20 transfer case
aj delux glass body
4" lift
dana 30 frount
dana 44 rear
4.56 gears
http://img2.photobucket.com/albums/v...slideshow=true
http://photobucket.com/albums/v31/fu...slideshow=true
13.461 @ 92.45 mph on 37" super swampers on 1/4 mile
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Unread 08-17-2003, 06:50 PM   #11
fuzz401
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kunckles are
81/ left #812-9655
81/ right # 812-9654
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1978 cj-7 had since 1979
401 .030 over- full floating flat top pistons
crower solid cam 292 dur .500/.510 lift
turbo 400 tranny 2500 stall
model 20 transfer case
aj delux glass body
4" lift
dana 30 frount
dana 44 rear
4.56 gears
http://img2.photobucket.com/albums/v...slideshow=true
http://photobucket.com/albums/v31/fu...slideshow=true
13.461 @ 92.45 mph on 37" super swampers on 1/4 mile
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Unread 08-17-2003, 08:02 PM   #12
pontiac58
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Quote:
Originally Posted by rustyCJ
this was the original question, are the caliper brackets the same from late 78 on, did the calipers just use different mounting hardware on the same plate? i have now been told they are and they arent. 4wd hardware says all jeep 2 bolt caliper plates were the same.

so does anyone have both plates that can compare them for me?

They cant be the same. One uses a ford caliper and the other uses a gm caliper.
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Unread 08-18-2003, 08:29 PM   #13
bernie
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I have a 79 and an 82--
Without getting out a measuing stick, the steering knuckle appears the same--caliper bracket mounts on the rear on the 2-bolts; the caliper bracket is different for the reason pointed out previously--the later uses the gm style caliper.
Anything else you want me to check, just let me know--they're both in the driveway--I believe they will swap out fine.

Of course, I could be wrong...

Quote:
Originally Posted by rustyCJ
is there a difference between 78-81 and 82-86 caliper brackets or are they the same? will an 86 caliper mount to a 79 bracket using the 86 hardware or vice versa?

lines arent an issue since the point of the swap is to be able to use later calipers fittings.

give you brownie points if you can guess what the benefit would be of using the later model caliper.......
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Last edited by bernie; 08-18-2003 at 08:31 PM..
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