I been told a silver spring in 660 works well. What should I wrap it at? Running 8ca in a red head piped. Next thing is what would be the best choice for helix for 660. Here is what have green sec and silver sec
51/43,56/40m3,48/40,58/34m4,60/38m7,54/46,hauck x measures 50/45,hauck h measures 45/41,OE41,oe45,oe47
51/43,56/40m3,48/40,58/34m4,60/38m7,54/46,hauck x measures 50/45,hauck h measures 45/41,OE41,oe45,oe47