I just thought of another possible cause for the brakes locking up...the rubber flex lines! They have been known to swell shut on the inside while they can look great on the outside.
Just a thought!
Mike
Mike Boteler
1956 Chevy 3100 Resto Rod 1952 Willys M38 Army Jeep 1983 Jeep CJ7 Laredo 1984 Jeep CJ7 +++++ Silver Spring, MD