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Old 01-23-2006, 04:29 PM
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new master cylinder

I'm running 48 Ford drums on the front of my 34. The rears are 72 bronco drums. I'm currently using a 75 Ford master cylinder. The front wheel cyl's. are 1 1/16 and I think the rears are 1" dia. I want to switch m.c. for power Honda unit, with a 13/16" bore. My question is, will the Honda unit will be big enough to handle this current set up?

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Old 01-23-2006, 10:26 PM
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Is your pedal effort high now and that is why you want to add a booster? I am sure that 13/16" honda MC will be too small. What are you trying to fix by adding a booster? What size is your current MC? I would think a 1" or 1 1/16 would be about right for that setup, If your pedal is stiff and high try going down 1 size on your MC. !/16" either way can make a big difference. Or add a booster and use your current size master cyl. Usually when you go to a power booster you need to go up 1 size on the master cyl, but you may have the large bore now. Pedal ratio is a little hard to adjust in a 34 ford unless your brake pedal and MC is firewall mounted. Do a search here for master cylinder recommendations. There are many threads here with a ton of info about brakes. Here is a car craft article that has alot of good info. (thanks to yesgo)http://www.carcraft.com/techarticles/76680/
There is alot of info here too.
http://www.911brakes.com/
Hope this helps, mikey
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Old 01-24-2006, 08:30 AM
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thanks

Thanks for your input. Car Craft article helped. I'm running a standard Ford m/c. It stops the pickup fine, but I really have to stand on the brakes. It is firewall mounted, maybe I need to change pivot point on the pedal. I just wanted to avoid the big booster,cast m/c on my firewall. I built my own pedal hanger, so I'll check stock Granada pivit point and see how different mine is. Thanks again.
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Old 01-24-2006, 02:42 PM
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get a power boosted '75 Ford master cylender/ booster.
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