That stuff is just so much harder to bend.... I have 3 feet clear 0ga now, how much more would i need? and are set screw terminalts ok?

1999 SE White AVH-P6500DVD Infinity Reference 6500CS Pioneer 5x7s Punch 360a2 Punch 500a2 Adire Tempest in a custom sealed 3.4cuft box Modded Xbox Still need Midnight Cloth Headrests... and if somebody has fold down rear seats....