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Old 01-09-2007, 03:39 AM   #1
70-c10LWB
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do i need a new mastercylinder?

I am about to order my disc brake/drop spindle kit from gmc pauls most likely and do i need to get a new master cylinder or can i use a proportioning valve. thanks everyone
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Old 01-09-2007, 03:47 AM   #2
ghetto_superman
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Re: do i need a new mastercylinder?

if you currently have a drum/drum then youll need a new prop valve IIRC..

if you dont already have power brakes you can get the whole setup (pedal rod,bracket,booster,MC,propvalve)on the cheap out of a 73+ truck...

something to ponder
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Old 01-09-2007, 05:37 AM   #3
Longhorn Man
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Re: do i need a new mastercylinder?

you'll need BOTH a new master, and prop valve in order to do it properly

Last edited by Longhorn Man; 01-09-2007 at 05:38 AM.
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Old 01-09-2007, 11:05 AM   #4
70-c10LWB
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Re: do i need a new mastercylinder?

thanks for the rply. also is the brake booster for my truckk fine. i have drum/drum
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