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10-25-2015, 06:39 PM
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#1 |
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Registered User
 Join Date: Oct 2015
Location: Decatur, In.
Posts: 52
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Power brakes
My 70 gmc c1500 does not have power brakes, can power brakes be put on the truck? Much of a job?
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10-25-2015, 11:27 PM
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#2 |
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Registered User
Join Date: Apr 2015
Location: East Tn (In the heart of the Smoky Mtns)
Posts: 1,858
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Re: Power brakes
Welcome to the board. Yes you can put power brakes on your truck.
You'll need the following: (if I missed anything, please chime in) The booster The pedal rod for the booster The brackets and supports. If you're CAREFUL, you can stretch your brake lines to the Proportioning block, but the are not expensive to replace., if you live up north, it's a good idea to replace all your lines. When I did my conversion, I went and found a complete setup from a truck in a salvage yard, and bought everything related to the brakes. When I got it home, I used the booster and master cylinder as a core for new ones from the auto parts store. It's been a while, but I think I paid 20 or 30 dollars for all the parts, then 110 for the new booster and MC. Maybe less. Good luck on the project, you picked the best place for info and guidance. |
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10-26-2015, 12:33 PM
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#3 |
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Registered User
 
Join Date: Sep 2015
Location: Mohnton pa.
Posts: 208
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Re: Power brakes
Im in the same position. After you did the power brake booster to your existing drum brakes. Was it worth the effort, Is your stopping any better than have manual drums.
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10-26-2015, 12:46 PM
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#4 |
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Registered User
Join Date: Jan 2013
Location: San Antonio, TX
Posts: 733
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Re: Power brakes
One of the best upgrades I've done on my'70. I've got drums all around. Lots of booster options from salvage, new auto parts booster--even fancy (and pretty) cadmium plated ones. Stopping power smooth and I keeps me from having to change my shorts so often!
__________________
Figure out what you want--then figure out what you are willing to give up to get it. |
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10-26-2015, 12:56 PM
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#5 |
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Registered User
Join Date: May 2014
Location: PA
Posts: 1,417
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Re: Power brakes
The stopping won't be better. It's just less effort to push on the pedal.
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1967 C10, LWB, 250, Powerglide, PS, PB, 3/4 STATIC DROP |
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10-26-2015, 02:16 PM
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#6 |
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Registered User
Join Date: May 2013
Location: WEST PALM FLORIDA
Posts: 1,174
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Re: Power brakes
Fairly easy job , rockauto and many others sell boosters , you may need the firewall bracket allso , I got one from ebay powdercoated
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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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10-26-2015, 02:48 PM
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#7 |
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Registered User
Join Date: Apr 2010
Location: So Cal
Posts: 1,420
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Re: Power brakes
MC on the left is for a power booster. The MC on the right is for manual brakes. Some aftermarket companies sell the MC with deep hole for both applications. They supply you with a pin to place in the deep hole if you are using it with a power booster. For manual brakes you leave the pin out.
 In other words, you can use your old master by making a pin, but you must check the clearance, just as you would for even a direct replacement.  Many times, they use a MC with larger diameter piston when mated to a power booster.
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'67 GMC 2500, 292, 4spd, AC |
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10-27-2015, 05:15 PM
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#8 |
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Registered User
Join Date: Oct 2015
Location: Decatur, In.
Posts: 52
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Re: Power brakes
You guys are great, such good advise and diagrams. I'm looking forward to getting started on my '70. I'm 68 years young and this will be my winter project. Keeps me from sitting on my rump. Thanks ALL!
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