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Old 04-11-2017, 07:56 AM   #305
Smittee
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Join Date: Feb 2017
Location: Dillsboro, IN
Posts: 87
Re: 1970 Med Olive Project

Quote:
Originally Posted by MMcMasters View Post
Larry,

If you plan to run manual brakes like I am then you will want a 7/8' bore. Some guys go with a 15/16" with manual but I think the 7/8" gives the best feel. The 15/16" feels soft to me.

I got everything from Summit

7/8" Master cylinder- https://www.summitracing.com/parts/w...9-bk/overview/

Proportional valve- https://www.summitracing.com/parts/w...1179/overview/

If you are going power brakes (vacuum) I would use a 1" bore and if you go with hydroboost then that 1 1/8" would be a good choice. These are all my opinion from my personal experience and you may get differing opinions from other people.
Might I suggest you talk with the folks at Wilwood for the proper sizing? I know that is what the person that helped me size and order my parts did. I did end up with a .875 diameter bore as well though! I am going with D52 calipers up front with 12' rotors and D154s out back with 12' rotors for reference.
I also must say that I am really enjoying watching you two (Mike and Larry) with your builds. I am in the process of doing a little bit of what both of you are doing. Kind of a blend of some of your best. I just hope I can execute the plan as well as you two have! Although I am not lowering my truck quite as much as you are Mike.

Thanks for all of your posts; although my wife probably would not second that sentiment!
David
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