Brake Line fittings!

CompOrange87 · Monday at 2:30 AM

Vehicle in question: 1973 Coupe.

Trying to see if anyone knows the front brake hose fitting size that comes from actual steel line to the flex hose. I recently did a front disc conversion and the fitting is way too small for the new braided flex hose that came with the kit. IMPORTANT NOTE: this is an original 6 cylinder all wheel manual drum car. I want to order the adapter so I can finish the brakes. Attached is the hose and line in question and the other photos are a little before and after of the new suspension and brakes. Any help is appreciated.

Hemikiller · Monday at 10:07 AM

The factory line nut should be 3/8-24. Since you don't have a factory disc brake setup, you'll need to determine the thread in your new hose. Brake line fittings are straight thread. Check with the manufacturer or find a bolt that screws into your new brake hose. That'll give you the thread sizes for the adapter. IMO, I would find a line nut that matches the thread on your new brake hose, cut and flare the line with the correct part. Fewer points of failure is always better, especially with brakes.

CompOrange87 · Monday at 10:37 AM

Hemikiller said:
The factory line nut should be 3/8-24. Since you don't have a factory disc brake setup, you'll need to determine the thread in your new hose. Brake line fittings are straight thread. Check with the manufacturer or find a bolt that screws into your new brake hose. That'll give you the thread sizes for the adapter. IMO, I would find a line nut that matches the thread on your new brake hose, cut and flare the line with the correct part. Fewer points of failure is always better, especially with brakes.

I will do that, I just need to figure out what the actual hose size is… I have all the tools to make new brake line so that’s what I’m going to do. Thank you.

Brake Line fittings!

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