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Old 09-24-2013, 10:09 PM   #56
Vintage Windmills
Vintage 4x4s
 
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Join Date: Sep 2010
Location: Prior Lake, MN
Posts: 4,305
Re: 1971 K20- project just get driveable!!

So today I learned the brake adapter plates are shipping from Canada and won't be here for a week. I'm tempted to throw the rusty 72 eaton under it for now, then I could rebuild the original and install the discs at my leisure, and hopefully a no spin by then. Thinking maybe do the same thing with the front axle.

Searching for info on the master cyl and prop valve for the 4 wheel discs, there is no consensus. Some guys say both need to be changed, others say just the prop valve, others say no changes..........
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67 GMC K1500 Custom- 305V6 SM420, PTO, Ram Assist, yellow (the outcast) (project period correct upgrades)
67 GMC C2500 351V6 TH400, AC, PS, PB (can't decide what to do with. Update, decided to keep and will restore )
86 CHV K30 502 th400, apple red NEW
71 CHV K20 350 SM465, ochre (saved work truck)
71 CHV K20 292 SM465, white, tach, PTO, (future project)
72 CHV K20 350 350th, medium blue (project stocker)
01 CHV K2500hd crew, indigo blue

^3 dont run and the others don't see winter either
'86 K30 Cummins "Fireside" thread: http://67-72chevytrucks.com/vboard/s...d.php?t=649649
'71 K20 "get driveable" thread: http://67-72chevytrucks.com/vboard/s...d.php?t=590642
'72 K20 Build Thread: http://67-72chevytrucks.com/vboard/s...=493477&page=6
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