71 Chevelle brake conversion

[ford77id]

I'm helping a friend put a front disc brake kit on hit 1971 Chevelle convertible. He's got all the main hardware that he needs to get them on the spindles. Our question is: does he also need to change out the master cylinder and proportioning valve, and if so what vehicle's parts would work? Thanks for any help.

[mdcamaro]

The stock spindals need to be modified. Yes you need a new master and valve plus brake lines. Check with the http://www.getdiscbrakes.com/rightstuff/Default.aspx