The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post

Livrat · 10-31-2014, 09:58 PM

If the 71 Drum/Disc booster is off of a 1/2 ton, yes you can use your drum brake master cylinder and combination valve on it. the drum/disc proportioning valve will not work with your drum brake system and yes the lines are different between the two.

10-31-2014, 09:58 PM	#2
Livrat Member #1049 Join Date: Jun 2000 Location: Troy Montana Posts: 3,940	Re: Master Cylinder Interchange?? If the 71 Drum/Disc booster is off of a 1/2 ton, yes you can use your drum brake master cylinder and combination valve on it. the drum/disc proportioning valve will not work with your drum brake system and yes the lines are different between the two.