Do 71-72 c10 master cylinders have internal residual valve(s)? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

ldgn63 · 01-11-2011, 08:14 PM

Any help?
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ERASER5 · 01-11-2011, 08:30 PM

Yes. The rear port (for the rear brakes) had a residual valve.

ldgn63 · 01-12-2011, 12:03 AM

Thanks ERASER5.
I am converting a '67 to front disk and figured that a '72 would be a good candidate. Since I have a 67 I do not have a 72 master to check for the residual but I figured it would have one in the rear port.
HOWEVER, I tested rebuilds at the parts stores and they DO NOT have the valves. So I ordered a NEW one in hopes thar it DOES!

I asked here cause I knew you guys would know what it SHOULD have.
Thanks again!
Posted via Mobile Device

01-11-2011, 08:14 PM	#1
ldgn63 Registered User Join Date: Dec 2005 Location: DFW Posts: 81	Do 71-72 c10 master cylinders have internal residual valve(s)? Any help? Posted via Mobile Device

01-11-2011, 08:30 PM	#2
ERASER5 Registered User Join Date: Jun 2006 Location: Indiana Posts: 4,859	Re: Do 71-72 c10 master cylinders have internal residual valve(s)? Yes. The rear port (for the rear brakes) had a residual valve. __________________ '70 GMC C1500 LWB Power disc brakes. WooHoo! Posi 6 Lug Dana 60

01-12-2011, 12:03 AM	#3
ldgn63 Registered User Join Date: Dec 2005 Location: DFW Posts: 81	Re: Do 71-72 c10 master cylinders have internal residual valve(s)? Thanks ERASER5. I am converting a '67 to front disk and figured that a '72 would be a good candidate. Since I have a 67 I do not have a 72 master to check for the residual but I figured it would have one in the rear port. HOWEVER, I tested rebuilds at the parts stores and they DO NOT have the valves. So I ordered a NEW one in hopes thar it DOES! I asked here cause I knew you guys would know what it SHOULD have. Thanks again! Posted via Mobile Device



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