Hey all. Im working on figuring out braking systems for my 59 f100. I know the guys who own CNC brakes here in San Diego. They have a dual master cylinder set up for manual brakes and they can be adjusted to what brake pressure you want to the front and rear.

Now to the point.... They need to know what size the "wheel cylinder" is on my 59 rear 9" drums?

Anyone know?



Here is a link to their stuff. Please Support American Made Products Before You Buy That Foreign Crap. These Guys Are A Perfect Example Of What Makes America Great!

http://www.cncbrakes.com/


.

 

I'm sure its stock size. Call napa and ask for specs.

 

All they could tell me is that the fitting was 7/8th with 3/8th thread...? What is it exactlt that I need to know for the shop?

 

Something in the foggy memory banks tells me that 7/8" is the bore size of the slave cylinder, 3/8" is the brake line fitting size. The bore size should be the number you need to compute the volumetric ratio of master cylinder sizing.

 

"Rear Wheel Cylinder

57-74 F100 Note: 7/8", RH"


???????????? whats this mean.lol

 

Means the bore of the cylinder is 7/8". That's what they need

 

Awesome! Thanks

 

Careful now, are you putting discs on the front or not? A drum/drum dual master cylinder is different from a disc/drum dual master cylinder. Adjusting the proportioning valve is not difficult, but if your master cylinder does not match the set up or if you change the set up later it won't work.