DIY brake lines from scratch (why not put them inside the cabin?) - Page 2 - Chevy Impala SS Forum
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post #11 of 15 (permalink) Old 02-24-2019, 09:08 PM
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If you're going to make your own (and from the discussion, I'm guessing you will). Get a roll of this from your local home improvement store in the concrete materials area

Then you can mock up your lines with something inexpensive to make sure you get it the way you want before cutting/bending the nickel/copper tubing.

I use a Rigid model 345 flaring tool - works well and relatively inexpensive for a quality tool. Any of the benders shown above will be fine for nickel/copper tubing - it bends like a coat hanger.

Bend the wire around the same radius as the edge of the tube so it gets the lengths correct - once you have the wire like you want, just "unroll" the wire on a straight piece of tubing (and add a couple inches ) to get the length right. Then make your bends to match the wire.

Don't forget to put the nuts on before flaring
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post #12 of 15 (permalink) Old 02-27-2019, 06:54 PM
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Originally Posted by Caddylack View Post
From memory, I was thinking the ABS and TC systems were tied together, but maybe I am getting them mixed up. Is it the TC and cruise that are tied together?

Anyway, I just hate ABS in general. I don't care if the Fleetwood has the greatest ABS system ever designed.

They are, at least somewhat. The TC system is tied into the ABS, it needs to see wheel sensor info to know that a wheel is slipping, but the ABS is independent from the TC. You can get rid of TC fairly easily a number of ways, but if you don't want to get too complicated I'd check to see if the throttle cable to the ASR is long enough to just attach directly to the throttle body like regular b-bodies and then just leave the rest alone. If you unplug that stuff you'll probably set codes unless you program it out when you do a tune. Pulling a fuse or unplugging the module would probably also set codes. The ABS is I believe a wholly independent system and will work fine regardless of whether the TC system is functioning. At the very least when I've turned off traction using the switch in the glove box, the ABS still works fine. You could possibly remove ABS but keep TC if you wanted, just bypass the hydraulics but keep the electronics in place.

Something witty.
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post #13 of 15 (permalink) Old 02-28-2019, 07:27 AM
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Regarding rolling your own, not sure about caddys, but the b-bodies, 91's for sure, have a mix of sae flares and ISO bubble flares. You'd want to make sure you have both flaring tools.

And technically, the line sizes are both sae and metric. But when I did mine, the sae line worked fine. It's a very slight difference in diameter between the two. Depending on the nut and which way you're going (sae for metric or vice versa) a quick pass of the right size drill bit through the nut may be needed.
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post #14 of 15 (permalink) Old 03-04-2019, 11:18 AM
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Originally Posted by Fix Until Broke View Post
If you're going to make your own (and from the discussion, I'm guessing you will). Get a roll of this from your local home improvement store in the concrete materials area

Don't forget to put the nuts on before flaring
This is genius, I've been doing this the hard way for a decade.

And +1000 to the last line: I would recommend sliding on TAPING the fittings to the end of the line so that you don't forget to put them on or (almost as bad) let them slide down the line just before you bend it, trapping them behind a bend.

If that doesn't make sense, don't worry, it will.

Good luck.
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post #15 of 15 (permalink) Old 03-05-2019, 10:41 PM
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If you want brake lines inside the car just buy a old Volkswagen!

I think only on the rear axle the lines were an inverted flare on a drum brake vehicle. . The rest are bubble.

Car still works MOD

Last edited by ghetto wagon; 03-05-2019 at 10:43 PM.
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