Re: 1964 GMC "crustine" semi-build.
TJ,
If you think a brake line hose is going bad, change it as soon as you can. I had one go out on a 64 GMC pickup with a single pot master cylinder while coming back from a trip to the mountains with a load of trash and lost all hydraulic brakes. I was saved by the emergency brake that operates the rear wheel brakes manually. A few weeks later, the emergency brake cable broke, so I was very lucky. This was a wake-up call about how important being able to stop is. I have since replaced all brake line hoses, put in a new emergency brake cable (made locally and works great), and installed a dual pot master cylinder (where the hardest part was bending a new line to fit under the motor).
JRMunn
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