The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - Brake Vac Booster -Disc Brake C10 and C20

**john** · 07-01-2008, 06:07 PM

The c-10 booster is single diaphragm, and the c-20 is double diaphragm. I would stick with the double for a c-20.

07-01-2008, 06:07 PM	#2
john member #16 Join Date: Dec 1999 Location: Yuba City Ca. Posts: 3,618	Re: Brake Vac Booster -Disc Brake C10 and C20 The c-10 booster is single diaphragm, and the c-20 is double diaphragm. I would stick with the double for a c-20. __________________ john http://67-72chevytrucks.com/vboard/showgroups.php board vendors http://www.flickr.com/photos/1745471...7602865984234/