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CKcollector 12-10-2018 11:53 AM
K20 brake hoses
 
3 Attachment(s)
Anyone point me in the right direction to buying front brake hoses for my 68 K20? Stores keep giving me k10 ones .
Knuckle size is the problem between the two..
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JustToxic 12-10-2018 04:36 PM
Re: K20 brake hoses
 
The brake book I have shows from '68-70 K10-K20 use the same brake hose. But from your picture I can tell that isn't the stock axle that came on the front of a '68 K20, from the 4 bolt steering arm, it looks more like a dana 60 vs the dana 44 that came in the K20. You may want to start looking for K30 parts vs K20. I would for sure look into seeing what axle that is and go from there.

57taskforce 12-10-2018 07:53 PM
Re: K20 brake hoses
 
Quote:
Originally Posted by JustToxic (Post 8402905)
The brake book I have shows from '68-70 K10-K20 use the same brake hose. But from your picture I can tell that isn't the stock axle that came on the front of a '68 K20, from the 4 bolt steering arm, it looks more like a dana 60 vs the dana 44 that came in the K20. You may want to start looking for K30 parts vs K20. I would for sure look into seeing what axle that is and go from there.
I don’t think K30 parts will be any help, there weren’t any drum brake gm K30s ever built. The K30 came along in 76 or 77 long after disks were standard equipment.

CKcollector 12-10-2018 08:08 PM
Re: K20 brake hoses
 
No its a 44. Just bigger knuckle And hubs.. the 1/2 ton line wont clear the 3/4 ton knuckle thats why the metal lines to wc. As for the 4 bolt steering arm. Both my k10/20 have them. Neither truck has had any rears changed..
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jocko 12-11-2018 12:19 AM
Re: K20 brake hoses
 
Inline tube might be able to make custom lengths - if you run out of options, might call them and ask. I know they made e-brake cables for me once, but I seem to recall hoses coming up in the conversation also. It was quite a few years ago, so not certain, but they had the capability to do some custom work.

CKcollector 12-11-2018 06:40 AM
Quote:
Originally Posted by jocko (Post 8403217)
Inline tube might be able to make custom lengths - if you run out of options, might call them and ask. I know they made e-brake cables for me once, but I seem to recall hoses coming up in the conversation also. It was quite a few years ago, so not certain, but they had the capability to do some custom work.
Yeah I tried them. No good.. how are ppl restoring these trucks without changing brake lines?
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notsolo 12-11-2018 09:36 AM
Re: K20 brake hoses
 
You might try Rockauto, take some measurements and check the spec,s .. good luck.

CKcollector 12-11-2018 09:38 AM
Quote:
Originally Posted by notsolo (Post 8403303)
You might try Rockauto, take some measurements and check the spec,s .. good luck.
Yup been there done that. Called restoration places. Dorman don’t even have it..
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notsolo 12-11-2018 11:09 AM
Re: K20 brake hoses
 
How long are the rubber hoses, both female ends?... what size are they...3/16"....and or 1/4".?

CKcollector 12-11-2018 11:13 AM
2 Attachment(s)
Quote:
Originally Posted by notsolo (Post 8403363)
How long are the rubber hoses, both female ends?... what size are they...3/16"....and or 1/4".?
Idk exactly but a nut goes through the frame into line..3/16 on other side?
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jocko 12-12-2018 10:17 AM
Re: K20 brake hoses
 
I believe all your metal lines in 68 should be 1/4, not 3/16.

CKcollector 12-12-2018 10:36 AM
Quote:
Originally Posted by jocko (Post 8404011)
I believe all your metal lines in 68 should be 1/4, not 3/16.
In frame larger than these to ft wc...
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