3/4 Ton Master Cylinder Question - The 1947 - Present Chevrolet & GMC Truck Message Board Network

NorCalC20LWB · 08-10-2022, 07:01 PM

Been searching for an answer to this, and it seems like I'm getting mixed results, appreciate some input to what I think is a simple question:

In the process of putting a Wilwood adjustable prop valve on my 72 C20. Question is which master cylinder reservoir is for front brakes and which for the back? Setup is stock disk/drum, rear reservoir appears to be larger than front. I haven't traced the lines yet, but coming out of the prop valve one line is 1/4" and one is 3/16" ( I think). IIRC, the 3/4 ton m/c's are reversed from the 1/2 tons?
Thanks in advance for any input, don't want to make any mistakes with brakes!
Brian

08-10-2022, 07:01 PM	#1
NorCalC20LWB Registered User Join Date: Mar 2015 Location: Bigfork, MT Posts: 466	3/4 Ton Master Cylinder Question Been searching for an answer to this, and it seems like I'm getting mixed results, appreciate some input to what I think is a simple question: In the process of putting a Wilwood adjustable prop valve on my 72 C20. Question is which master cylinder reservoir is for front brakes and which for the back? Setup is stock disk/drum, rear reservoir appears to be larger than front. I haven't traced the lines yet, but coming out of the prop valve one line is 1/4" and one is 3/16" ( I think). IIRC, the 3/4 ton m/c's are reversed from the 1/2 tons? Thanks in advance for any input, don't want to make any mistakes with brakes! Brian

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