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Old 10-20-2014, 06:44 PM   #19
66pnl
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Join Date: Mar 2014
Location: Eagle creek or
Posts: 108
Re: Putting booster on 66 drum brakes driving me crazy

Quote:
Originally Posted by LostMy65 View Post
Does anyone know the exact length of the 'bullet' ?
I have a couple. One is 1.425. The other is more of a bullet shape so it kinda matches the bottom of the hole. It is 1.522 overall. I recently found that the holes in the aftermarket masters are larger diameter than the oem remans that I've used. The aftermarket (cpp) are slightly over 1/2 in. (The bullet is .535). IIRC I used a 3/8 or 7/16 bolt and sanded the threads down to fit the smaller bore.
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