Thread: Brake Bias
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Old 05-29-2012, 09:39 PM
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Location: Poway, CA
Cobra Make, Engine: Shelby American, 1965 427 FE, alloy MR heads, Sidewinder intake
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Thanks for the help guys!

Nick: I do not see an image. Did you intend to attach one? "Here is a look at the mechanism the control you show drives."

Quote:
Originally Posted by mickmate View Post
Hi Mike, we have good set ups for adjusting brake bias having dual masters on our cars. Typically cars are set up as close as possible on the hydraulic cylinder sizing. There are some good online charts for that and I have an Excel spreadsheet I put together that has worked pretty well just plugging all the numbers into it. You can using that or practical results change the master cylinder sizes a 1/16" at a time to achieve optimum results. The usual approach is to allow full braking on the front with a little too much on the rears and then to hydraulically choke down the rears till the correct balance is achieved. The rears can be plumbed through a valve that can be mounted in the cockpit for on the fly adjustments as track, brakes and all change with heat and use. We can also change the balance bar mounted between our two masters as Bruce did. You will have an easier time changing balance bars as you have a removable bottom plate on your pedal box. The ideal set up is to have the mechanical adjustment of the bias on the master cylinder clevises. The only problem I see with that on the Cobras is the masters are under over. usually they are side by side on adjustables. You will need at least a high misalignment heim joint in the middle to accommodate that. Here is a look at the mechanism the control you show drives.
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