It is simply the fact that the '67-'70 master cylinders are designed for a drum/drum brake system. That is not to say the disc/drum master won't work, but it just isn't the 'right' master.
Quote:
Originally Posted by brap999
Catpainfab can you elaborate on why that is? I don't plan on keeping drums for long, just haven't gotten around to upgrading to disc/disc.
I was driving around with a more modern style master cylinder on drum/drum until it went bad, and I didn't seem to have problems. But if it could cause problems I'd like to know  |