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Scarebird ECONOMY Disc Brake Conversion


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Posted
3 hours ago, Sam Buchanan said:

 

I couldn't see a way to make the short arm longer without taking the assembly apart, welding some extra length and redrilling. Certainly doable, but hoping this will never be an issue. The lack of full travel is there, I just don't know the real-world implications.....hopefully not any for our low-performance/speed cars.

 

Thinking through this....if a rear wheel cylinder let go and loss of pressure in the rear brakes occurred, the master cylinder chamber for the front brakes would still have the same volume of fluid as before. So while total vehicle braking efficiency would be reduced, the front brakes should still function. Reduced braking is better than no braking as would be the case if something pops in a single-chamber master cylinder system.  :)

Would be a major project to remove and modify that arm!

According to Wilwood, if one system fails the MC requires 50% to 80% of its stroke to START building pressure in the remaining system.

50% would probably be OK.

In any case as you said, these brakes will be way better than the old brakes!

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