I have a 1970 455 that I rebuilt in 1986. not sure what camshaft I put in it. Wondering if it is worth keeping. Even though its almost 40 years old it only has around 16,000 miles on it.
Marks on it
"21" on one end
"G104" on other end.
on the shaft it has
"CMC" , "C1"
"C C" , D 1"
"S0" "8-86"