I gravity bled each wheel in turn when I rebuilt the brakes on my 54 3100. I used a new master cylinder, new lines and wheel cylinders that I had rebuilt. Opened the left rear first and watched for fluid while I did something else. Took about 10 minutes for fluid to come out and I closed off the nipple and opened the other rear cylinder. Only took a few minutes for that one to drip. Again on the front cylinders, longer line first. Kept the reservoir full throughout the process. Had full firm pedal without any squishiness. Never did have to bleed individual cylinders and I still have full pedal and stopping power two years and 4000 miles later.

~~ Jethro
1954 3100
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In the Dity Gallery
1951 3100 (gone) / 1956 4400 (still in the neighborhood) / 1957 6400 with dump body (retired) / 1959 3100 panel (in the woods junked) / 1978 Custom Deluxe K10 / 1993 S-10 4.3 / 2004 Chevy Crew Cab / 1945 John Deere H / 1952 John Deere B / 1966 John Deere 2510 / 1967 John Deere 1020