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Old 10-22-2014, 11:32 PM   #22
buildinga55
Registered User
 
Join Date: Jan 2009
Location: Springfield, MO
Posts: 258
Re: Putting booster on 66 drum brakes driving me crazy

Yes the bullet is to fill the gap because in the manual master cylinder it has a deeper hole. I bought a kit on eBay with a 9 inch booster and what was to have been a disk drum or drum drum set up. That might have been my first mistake. It had a Corvette style master cylinder with it that I installed and was not happy with the brakes about a year ago. So I went and got a 67 Chevy manual drum drum master cylinder and mounted it on the 9 inch booster. I was never really that happy with the set up whenever I gave it back to my father-in-law. Then recently I was riding with him and he was complaining about the breaking and I could see that we needed to improve the brakes. So this last week I put a new master cylinder on it 67 Chevy style as the old one was leaking slightly I also put new brake shoes and wheel cylinders on the front. I have played around with the length of the bullet as well as adjusting the pedal. I feel like I have the bullet where it has no pressure on the master cylinder with the break up but should engage quickly when you start pushing the pedal down I also have a little bit of play in the pedal to the booster. So tonight I installed a vacuum reserve canister that I ordered and I am a little disappointed it does not seem like that has really helped much either. Currently when you're driving the truck and you start to break it feels like you have power brakes and it will slow the truck down but if you needed to stop urgently you have to just stand on the brakes and the pedal gets very hard. I have put brakes on dozens of vehicles over the years and have built several street rods I usually just go with all brand-new disc brakes on those cars but this has been a real problem.
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