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Old 10-04-2021, 12:53 PM
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Default Rear brake line 3-way block?

Where can I find that 3 way block? I looked at our host and Inline Tube but didn't see it (or didn't recognize it).
My car has an 'O' type rear and I have a Pontiac rear that I'm going to swap in (Basic A body 10 bolt from a '69 GTO). The hose-to-hardline 3 way junction is not on the Pontiac rear that I have and I can see that the Olds rear has a different arrangement. I found the rear axle hardlines and the rear flex line but not the distribution block.
Biggest problem is that I don't know what it looks like and what attaches it to the top bolt of the differential assembly.

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Last edited by Greg Reid; 10-04-2021 at 01:08 PM.
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Old 10-04-2021, 01:39 PM
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Greg, try this for pictures - current ebay listing
https://www.ebay.com/itm/184287333023

Will search for block for you

What about this? It looks to be part of the rubber hose - perhaps you have been searching for a separate block when the block is part of the hose assembly. If OPGI has one (they do), then I imagine our host does also.

https://www.amazon.com/ACDelco-18J17...68+Pontiac+GTO
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Last edited by 68gtoMN; 10-04-2021 at 01:52 PM.
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Old 10-04-2021, 01:46 PM
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IIRC, that junction is built into the center hose where it distributes to the wheels. The center hose clips to the frame ahead of the diff where it meets the hard line.


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Old 10-04-2021, 04:08 PM
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Ok, seems you guys are probably right about the block being part of the hose. Now what about the clip?
And thanks guys.

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Old 10-04-2021, 04:45 PM
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Do you mean the bracket for the hose or the clip that holds the hose to the frame?

Ames has the bracket (R189A) for $24.




I'd have to go look, but I think the clip is the same retaining clip that's used on the front lines.


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Old 10-04-2021, 04:55 PM
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It would help if I knew what it looked like. I'm talking about whatever it is that is captured by the top bolt of the differential cover. Then, I'm assuming that that item retains the block somehow

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Old 10-04-2021, 05:15 PM
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That's the top bracket in my post above - R189A.


In place it looks like this:
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Old 10-04-2021, 05:18 PM
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This is who I bought from for my old El Camino and GTO.
US made
https://www.ebay.com/str/brakehosesu...p2047675.l2563

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  #9  
Old 10-04-2021, 11:07 PM
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Thanks guys. Looking at all the pictures l think l see how it goes.

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Old 10-05-2021, 01:09 AM
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Ok, l get the picture now. I need the pair of steel lines, the flex hose assembly and the bracket. Thanks again!

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