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08-09-2017, 06:28 PM
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#1 |
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Registered User
Join Date: Aug 2017
Location: Orange, CA
Posts: 7
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67 c10 power brakes?
I just took possession of the C10 my father bought new in 1967. In the 90’s he replaced the straight 6 and manual trans with a 350 V8 and turbo 300 trans (I think). He said they added power steering at that time but that he had never added power brakes. After driving it I believed him, It had a very heavy peddle to get it to stop. I opened the hood and it looks to me that it does have a brake booster and vacuum line going to the intake manifold, but it’s clearly not working. Pops has no memory of where or when it might have been installed. He swears it never had power brakes. I pulled the vacuum hose and it seems to have very good vacuum. I’m hoping I can just replace the booster and master cylinder and have working power brakes. My concern is getting the right part without have to do major mods to get it to work. Can anyone ID from the picture if this is the correct setup for a 67 or was it pulled from another year. Also any suggestions on trouble shooting the booster would be greatly appreciated. Thanks
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08-09-2017, 06:50 PM
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#2 |
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Registered User
Join Date: Oct 2009
Location: canton ga
Posts: 12,728
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Re: 67 c10 power brakes?
It looks very similar to my 72 booster .
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08-10-2017, 09:27 AM
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#3 |
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How did I get this OLD!
 
Join Date: Dec 2014
Location: Lamont County, AB, CANADA
Posts: 1,047
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Re: 67 c10 power brakes?
Welcome to the Forum!
We would love to see more pictures of your truck.
__________________
1967 Oshawa built LWB Fleetside. 327,3 OTT, 515 Vermilion, CST, PS, PB, Shoulder Harness, Tach,Vac, Speed Warning, Choke Delete, Manual Throttle, Fawn interior. Dealer installed A/C 04/2015, N34 Rosewood Wheel 06/2023 Members who I have met personally. Metaldoc, chevnkevin, 62 Longbed, 72LHorn, 72MARIO, YBNORML, TBONE1964, Classic Bowties, Chevemall, Dagnabbitt. |
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08-10-2017, 04:35 PM
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#4 |
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Registered User
Join Date: Mar 2013
Location: Syracuse, Utah
Posts: 499
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Re: 67 c10 power brakes?
Do you have the factory drum brakes on the front, or has someone swapped it out for discs...
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Justin '67 C20 CST Custom Camper '04.5 LLY Duramax CCSB...sold |
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08-10-2017, 08:23 PM
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#5 |
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Registered User
Join Date: May 2014
Location: Freedom Pa
Posts: 139
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Re: 67 c10 power brakes?
I could be wrong but the bracket mounting the booster to the firewall looks off to me and the tee fitting for the front brakes looks out of place. Im sure peopke who know more will chime in.
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08-11-2017, 12:11 AM
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#6 |
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Registered User
Join Date: Aug 2017
Location: Orange, CA
Posts: 7
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Re: 67 c10 power brakes?
Thanks for the responses. It still has drum brakes. I was wondering if that was a proportioning valve hanging on the side. I thought that was only needed on a disc/drum or disc/disc setup. As you may have guessed I am very new to working on classic vehicles. I will try and post better pictures of the set up tomarrow. In the meantime here are some pictures of the truck.
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08-11-2017, 06:40 AM
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#7 |
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Registered User
Join Date: Oct 2009
Location: canton ga
Posts: 12,728
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Re: 67 c10 power brakes?
Wow ,that is one very nice truck ,hope you get the brakes worked out .
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08-11-2017, 08:55 AM
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#8 |
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Registered User
Join Date: May 2013
Location: WEST PALM FLORIDA
Posts: 1,174
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Re: 67 c10 power brakes?
With the truck off , pull the plastic valve out of the booster , if it does not suck air its shot .
NICE TRUCK !!!!
__________________
68 Long Fleet , ly6 , turbo 350 , 3-5 drop , original paint , front discs 67 Small window , 7 foot bed , tweaked 6.0 LSX 2004R Medium Olive 58 Apache fleet , 235 , offy intake , dual exhaust , 4 on the floor , red/white 69 Long Fleet , Custom , 6.0, 4l60 , AC , Medium Olive |
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08-11-2017, 12:24 PM
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#9 |
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Registered User
Join Date: Apr 2011
Location: Klein Texas
Posts: 3,852
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Re: 67 c10 power brakes?
I think the booster and master came off a later 3/4 ton. Probably a square body. The booster bracket looks right but possible mounted wrong.
4 wheel drum should not have a disc/drum p-valve.
__________________
My Classics: '72 K20 Suburban + '65 Dodge Town Wagon '72 Corvette Roadster +'67 Corvette Roadster '73 Z-28 Camaro '63 Ford SWB Uni Pickup '50 Ford Coupe |
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08-11-2017, 02:06 PM
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#10 | |
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Registered User
Join Date: Aug 2016
Location: Lake Forest, CA
Posts: 2,177
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Re: 67 c10 power brakes?
Quote:
Thant looks like the correct valve for drums. the T may be for an old style brake controller that used hydraulic pressure.
__________________
"Work hard, use your vacation days." 1970 C15 GMC Long Bed 1986 C20 Scottsdale 1983 K2500 Sierra Classic Suburban 6.2 Instagram: C10sofOC |
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08-11-2017, 02:41 PM
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#11 |
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Registered User
Join Date: Mar 2013
Location: Syracuse, Utah
Posts: 499
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Re: 67 c10 power brakes?
That block is the same one that is on my 67 c20. Distribution block iirc, not a proportioning valve.
Really nice truck man!
__________________
Justin '67 C20 CST Custom Camper '04.5 LLY Duramax CCSB...sold |
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08-12-2017, 08:01 PM
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#12 |
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Registered User
Join Date: Aug 2017
Location: Orange, CA
Posts: 7
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Re: 67 c10 power brakes?
Thanks again for the replies. Here are some better angles.
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08-12-2017, 08:28 PM
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#13 |
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Registered User
Join Date: Mar 2013
Location: Syracuse, Utah
Posts: 499
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Re: 67 c10 power brakes?
The booster and the way that line is coiled, someone at sometime put that in. So somebody threw a booster in there, maybe a mc. If you have a really hard pedal, my bet is the booster is toast. If you pull it off there might be a part number stamped somewhere on it, or you could go stock.
__________________
Justin '67 C20 CST Custom Camper '04.5 LLY Duramax CCSB...sold |
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