hey there, my 77 came out of Florida have some work to do Its' been apart a while. My friend, there is a lot to learn about these things, a lot of science all I can say is spend a lot of time reading this forum, It may save you big trouble and big bucks, there is a lot of great info. from guys who have learned the hard way.. take heed GOD SPEED and GOD BLESS,.... JIM ATLANTA (CALIFORNIA NATIVE)