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Andy4639 · 05-12-2019, 11:11 AM

71 C10 was the first year for 5 lug factory front disc brakes on 1/2 ton trucks.

71 disc brakes are just a little odd from the 72 up brakes. Most people use the 72 up disc brakes because of this. The brake lines for the 71 want work on the 72 up caliper.
72 up brakes all interchange up through the late 80's.

What size rotor is on it? If it's not the 11" rotor then it a aftermarket assembly.

05-12-2019, 11:11 AM	#14
Andy4639 Old member Join Date: Jan 2002 Location: Liberty, & Garden City S.C. , U.S. Posts: 19,945	Re: Front disc brakes 71 C10 was the first year for 5 lug factory front disc brakes on 1/2 ton trucks. 71 disc brakes are just a little odd from the 72 up brakes. Most people use the 72 up disc brakes because of this. The brake lines for the 71 want work on the 72 up caliper. 72 up brakes all interchange up through the late 80's. What size rotor is on it? If it's not the 11" rotor then it a aftermarket assembly. __________________ 1971 LWB Custom, 6.0LS & 4L80E, Speedhut.com GPS speedometer & gauges with A/C. 20" Boss 338's Grey wheels 4 wheel disc brakes. My Driver Seeing the USA in a 71 Upstate SC GM Truck Club 2013,14 and 2016 Hot Rod Pour Tour http://upstategmtrucks.com/ Get out and drive the truck this summer and have some fun! It sucks not being able to hear! LWB trucks rule, if you don't think so measure your SWB! After talking to tech support at Air Lift I have found out that the kit I need is 60811. Per the measurements I gave them. Ride height of truck inside spring and inside diameter of springs.