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12-30-2020, 10:12 AM
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Junior Member
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Join Date: Jun 2020
Posts: 18
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Another Brake question
Got a '70 with drum brakes. Can I add a Brake booster and use my original master cylinder?
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6720
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12-30-2020, 01:01 PM
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Senior Member
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Join Date: Apr 2016
Location: SoCal Lower Desert (Y.V.)
Posts: 220
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Quote:
Originally Posted by Lethal Tendencies
Got a '70 with drum brakes. Can I add a Brake booster and use my original master cylinder?
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Would think if the mounting holes match up why not. Another note is you just might need to "tweak" the brake lines a little bit to match the new location of the master cylinder.
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A;Resting up on Mon-Fri from Sat & Sun
B; Swallow Pride & get the Answer Needed.
C; My definition for "Retired"= if I want, when I want, and if at all I want too...
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2015
12-30-2020, 02:10 PM
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Join Date: Jun 2020
Posts: 18
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Quote:
Originally Posted by mjgord51
Would think if the mounting holes match up why not. Another note is you just might need to "tweak" the brake lines a little bit to match the new location of the master cylinder.
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Is there a different rod that I would need for the master cylinder to the booster.
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6720
01-03-2021, 12:03 PM
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Senior Member
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Join Date: Apr 2016
Location: SoCal Lower Desert (Y.V.)
Posts: 220
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Quote:
Originally Posted by Lethal Tendencies
Is there a different rod that I would need for the master cylinder to the booster.
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If its a "Kit" every thing will be in it if you get the right Kit.
__________________
A;Resting up on Mon-Fri from Sat & Sun
B; Swallow Pride & get the Answer Needed.
C; My definition for "Retired"= if I want, when I want, and if at all I want too...
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2015
01-05-2021, 02:19 PM
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Junior Member
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Join Date: Jun 2020
Posts: 18
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Quote:
Originally Posted by mjgord51
If its a "Kit" every thing will be in it if you get the right Kit.
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Well the one I was looking at doesn't really show it. I will have to contact the seller
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6720
01-06-2021, 04:56 PM
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Join Date: Jun 2020
Posts: 18
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So Whats the difference with these booster sizes, 7",8", 9", 11"
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6720
01-07-2021, 08:57 AM
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Junior Member
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Join Date: Jul 2019
Location: Indiana
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The 7 and 8 inch diameters have a double diaphragm, the 9 and 11 inch ones have a single diaphragm. Normally the double diaphragm units are found on heavier vehicles, C20 C30 etc.
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5274
01-08-2021, 11:57 AM
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Join Date: Nov 2020
Location: St. Louis
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I did, but found the same generation power brake set up on a junker. That included a spacing bracket and new rod. Had to move the lines, but that was pretty easy.
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7456
01-11-2021, 02:49 PM
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Junior Member
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Join Date: Jun 2020
Posts: 18
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Quote:
Originally Posted by 70STOVEBOLT
The 7 and 8 inch diameters have a double diaphragm, the 9 and 11 inch ones have a single diaphragm. Normally the double diaphragm units are found on heavier vehicles, C20 C30 etc.
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So a standard C10 would have come with an 11" booster? The reason I ask is because the 11" doesn't look as wide as a 7 or 8. It looks like if you were to install a 7" booster you would be pushing the master all the way out to the alternator.
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6720
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