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05-28-2019, 02:00 AM
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#1 |
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Registered User
Join Date: Nov 2015
Location: Las Vegas Nevada
Posts: 84
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47 thriftmaster stock brakes
How much free play should the threaded rod have that comes from the brake pedal to the center of the master cylinder?
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05-29-2019, 10:36 AM
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#2 |
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Registered User
 
Join Date: Aug 2011
Location: Boston, MA
Posts: 695
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Re: 47 thriftmaster stock brakes
Did you check the 47 manual at http://chevy.oldcarmanualproject.com...ruck/index.htm
__________________
Pat 1949 unmolested Indy Farm Deluxe AD 1949 Standard 4 speed http://67-72chevytrucks.com/vboard/s...d.php?t=581544 |
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06-02-2019, 01:14 AM
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#3 |
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Registered User
Join Date: Jul 2007
Location: Toppenish, WA
Posts: 15,705
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Re: 47 thriftmaster stock brakes
You have to have the return spring on it to pull the rod back from the piston in the master cylinder but if you have measurable movement between the rod and piston you are good. You should be able to lay under the truck and reach up and pull the pedal arm down and see the movement of the slack. I'd say between 1/16 and 1/8 should be good. Main thing is that every time you release the pedal you get that slack.
__________________
Founding member of the too many projects, too little time and money club. My ongoing truck projects: 48 Chev 3100 that will run a 292 Six. 71 GMC 2500 that is getting a Cad 500 transplant. 77 C 30 dualie, 454, 4 speed with a 10 foot flatbed and hoist. It does the heavy work and hauls the projects around. |
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