The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - C-20 air line size....

tinydb84 · 04-20-2017, 08:37 PM

Are the manual valves 1/4''? If they are then changing the line size isn't going to make much of a difference as the restriction will come from the valves.

04-20-2017, 08:37 PM	#2
tinydb84 Registered User Join Date: Jul 2009 Location: San Jose Ca Posts: 2,871	Re: C-20 air line size.... Are the manual valves 1/4''? If they are then changing the line size isn't going to make much of a difference as the restriction will come from the valves. __________________ David Used parts build: http://67-72chevytrucks.com/vboard/s...d.php?t=638991 My brother's Nova: http://www.67-72chevytrucks.com/vboa...d.php?t=727985 Rear suspension rework: http://www.67-72chevytrucks.com/vboa...d.php?t=750557 Instagram: myfabguy