Wikipedia says they all got RWAL 88-94 Both 4wd and 2wd versions. Which has potential to be much better than a simple load sensing valve. So there is that...
Now I'm out on really thin ice here.... But assuming 15" wheels are prefered. The biggest badest
front discs that will fit inside those wheels are going to be about 12"... Now, and help me out here... Vans have a 12" one piece disc that is rather thick and has a 5 on 5 bolt pattern. Does the C1500 spindle pin share dimensions with the Van? I think some C10's do... If so a van disc with PBR style two piston calipers (GMT800 and others) might be a GM parts bin option...
IF, the van disc offset is such that it can be made to work. The master cylinder could be a challenge though. Preferably with a bore size matching the calipers while also made for rear drums.... Maybe take everything from a van and settle for single piston calipers.
Edit: While writing the above I realized that most likely there had to have been a factory C1500 HD brake option that used 12(11,9)×1.285" discs?
And for sure there was and then some...
Hello, After hours of looking around i can't find a thread that list all the sizes of the various brake components of JB style brakes. Please let me know if what i have so far is correct. I'm sure i have things wrong as all info is coming from other threads. JB5(6400lbs): 1.574" Bore MC Low...
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