Steering, Suspension, & Brakes

tips, technology, tools and techniques related to non-driveline mechanical components

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johnny wells
johnny wells
fairfax, virginia
(17 posts)

Registered:
08/15/2008 08:56AM

Main British Car:
76 BV8 Rover 4.2

authors avatar
Dual Master Cylinders
Posted by: johnny wells
Date: February 05, 2009 08:31PM

All,

I'm reworking my brake system along the lines of Les Gonda and Michel Wirtz's systems with dual master cylinders. I think Rob Ficalora was considering this approach.

Using the Tilton 6:1 pedal box, part # 72-606, (will run with no boosters), what are the recommended cylinder bore sizes for the front and rear brakes (discs all around)?

Thanks in advance.

Johnny


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Curtis Jacobson
Portland Oregon
(4495 posts)

Registered:
10/12/2007 02:16AM

Main British Car:
71 MGBGT, Buick 215

authors avatar
Re: Dual Master Cylinders
Posted by: Moderator
Date: February 05, 2009 08:52PM

So many variables!

I worked on a new "How It Was Done" article for someone today who has installed a Wilwood three-pedal assembly with 6.2:1 ratio, and I know he selected 3/4" diameter cylinders for all three spots. He has Wilwood front calipers (I'm not sure which ones yet) and vented rotors. On the back he has Ford 11" drum brakes on a Ford 8" axle (I don't know yet what cylinder bore yet). His MGB GT V8 is set up for SVRA racing, pretty similar to Les's. I don't expect to have real specific further details on it though for another ten or eleven days. The specs might even change after the racing season starts. (And even after that I probably won't post the article until the rest of the new edition is ready to announce - because this particular racecar is really jaw-droppingly spectacular.)


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