I've read a how-to, and talked to a person, that discribed a disc brake swap on a CRX. Neither mentioned replacing the stock proportioning valve or the master cylinder as a requirement.

When I put a disc brake setup on my Accord LX from an EX the guide I used stated it was nessesary to use the master cylinder from the EX because disc and drum require different operating pressures.

How can it be correct to run the stock proportioning valve/master cylinder for a Disc/Drum setup with a completely different Disc/Disc setup?

thanks,
rp