The springs are probably 20 years old. Might have 1000 miles on them total. 8 passes that I've done. When I changed the cam I had a shop look over the springs and they were good. The open pressure was at the upper end of what the cam calls for.
1970 Super Bee prostreet. 383, SMR 727, Dana 60 4:88. Building a 512 low deck.
