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02-06-2020, 06:44 PM
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#1 |
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Registered User
 
Join Date: Mar 2005
Location: Jurupa Valley, Ca
Posts: 1,210
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Hydroboost with drum brakes
Has anyone done a HB mod with all drum brakes? I will be installing a new engine and if due to the cam I don't have enough vacuum to run my power assist brakes will need to do the upgrade. Any tips would be great. Looks like Astro vans are quite plentiful at the local Pick a Parts.
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Terry 1970 Custom Camper/C20 , GM Crate 350/7004R, Dana 60, factory AC |
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02-06-2020, 09:08 PM
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#2 |
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Registered User
Join Date: Jan 2013
Location: Eastern TN
Posts: 1,921
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Re: Hydroboost with drum brakes
It should work fine. The hydroboost doesn't know what it is activating. The master cylinder and proprtioning valve control that aspect.
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02-07-2020, 12:53 AM
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#3 |
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Senior Member
Join Date: Mar 2015
Location: Arizona from Overland Park Kansas
Posts: 3,968
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Re: Hydroboost with drum brakes
im putting hydroboost on my 68 k20 with stock drum brakes. I don't think it will be much different than a brake booster.
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Current projects: 1966 Chevy Custom PS PB A/C BBW 283 v8 3 speed OD 1966 GMC Long Step 1966 GMC 3/4 ton Custom PS PB Sport trim 351 v6 1966 GMC 3/4 ton 4x4 Custom PB 305 v6 np435 1960 GMC Custom 1968 GMC 3/4 ton 4x4 Short Bed 1962 K20 Tow truck 1961 GMC Extended Suburban Panel and a few more |
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