How to Build Brake Lines! | Smithson Speed

How to Fabricate Hard Lines for Brakes and Fuel | Step-by-Step Tutorial

Hey everyone, Ben here! In this video, I'll walk you through the process of fabricating hard lines for your brakes and fuel system. Whether you're a seasoned fabricator or a DIY enthusiast, this guide will cover everything you need to know—from the tools and materials to creating clean, professional-quality lines.

Tools and Materials:
Copper-nickel alloy brake lines (DOT-approved)
Aluminum fuel lines
Essential tools, including Eastwood’s tubing straighteners, cutters, and flaring tools

Straightening Lines:
Using Eastwood’s adjustable and small straighteners for a clean, precise setup

Cutting and Deburring:
Tips for achieving square, burr-free cuts for proper flaring

Flaring Techniques:
Step-by-step guide to creating 45° inverted flares for factory applications
How to make 37° flares for AN fittings

Tools in Action:
I’ll show you how to use Eastwood’s flaring tool, featuring both 37° and 45° die sets, along with the tubing straighteners and other essential gear. These tools have been part of my shop for years and continue to deliver professional results.

By the end of this tutorial, you'll have the confidence and knowledge to fabricate hard lines that are both functional and visually impressive. If you have any questions or want to purchase the tools shown in this video, check out the affiliate link in the description.

Don’t forget to like, comment, and subscribe for more HotRod How-To’s and shop tips!