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I've been pulling my hair out trying to find a part number for a Mustang dual MC with built in check valves for a swap on my AD. I've searched all over here, called a ton of parts houses, and even GASP searched a Mustang forum or two. Is anyone able t ohelp here?

Thanks,

Jason

A couple things I might do in this situation. 1. Go to my local NAPA store where I've bought many parts for many yrs. & ask to see their paper brake parts book. It'll have pic's. in it cross referenced to part #'s & application. 2. Go to my local wrecking yard with a paper, pencil, & calipers to measure bolt centers & line sizes. Look for what I can use & see what the car VIN is. 3. Last resort, call up the brake rebuilder in the big city 200 mi. away where I've sent off weird stuff that I couldn't get locally for yrs. It really helps to develop relationships with suppliers thru time. If you just call on the phone its almost guaranteed nobody will leave their walk in customers standing while they do your research. Curious why you want a Mustang, plenty of Chev. trucks in junkyards to pick from. Thats what I put in my 292 powered '55 car. Doug

I was under the impression the Mustang had residual valves built in. I've since rethought the whole thing. If I have to plumb a whole brake system anyway, what's the big deal about putting a valve in front and rear? Chevy Duty (bracket supplier) recommends 67 Nova. 67 Nova it is. I guess it's appropriate. "No va" is Spanish for "No go." lol Thanks for a quick reply.

Jason

This may seem like an over-simplification but if you're running a drum/drum system, a late 60's early 70's full sized GM master cylinder is what you want. It WILL have the built-in residual valves. It WILL fit the 3-1/2" hole pattern to mount the M/C to the (Chevy Duty) adaptor bracket.

Be sure to get the adaptors to plumb your lines into the M/C as they are not a direct plug-in.

If you are running a disc/drum system you could run a late 60's to early 70's Corvette disc/drum master and you would need to add the prop valve and a 2&10 pound residual valve.

These are the M/C's I'm currently running in my 54 truck which is on the road every day. I sure hope this helps you get started on your conversion.

Dave

I'm doing disc/drum. I'm assuming the Nova and Vette are the same? I'm starting with all new lines as well, so I'll buy everything at once. Is there a GM which will fit AND have built in residuals? Thanks for the quick replies...

Jason

Nova and 'Vette are not same. The 'Vette had it's own specific m/c. Nova used the same as Camaro and Chevelle. Also-no such animal as a disk/drum 'Vette, they were eihter 4 wheel drum (pre-'65) or 4 wheel disk ('65-up).

Is there a GM disc/drum with built ins?

Just a note, I bought all of my brake parts from Classic Chevy Parts,(Chevy Duty), and they get the M C adapter from CPP and bump the price up 20 smackers. Found this out after I recieved my parts.

Brain fade here, who is CPP?
Denny G

Classic Performance Products

As Fla54Chevy3100 said, the drum/drum master cylinders, '67 and later had the residual valves built in. When they switched to disc/drum, they put the residual valve in the combination valve. The factory combination valve has a proportion valve, a metering valve and a residual valve. I believe there is only a residual valve for the rear. When the master is up on the firewall, the discs don't need one because the disc piston does not pull away from the rotor. The after market sells the 2lb valve for the front, because if you mount the master under the floor board, the fluid will drain back. I think most of the aftermarket combo valves have no residual valve so you need one front and 10lb rear.

I bought a '68 mustang MC for my '54, I have read that it has the valves built in. The truck is not on the road so I can not give a report on the cylinder.

I use 69 mustang master manual brakes it worked for me