i have up for sale a custom built 200 amp alt it was built bye a local shop its rated at 140 amps at idle 200 max its off an old 77 model caddy it also has a black wire that comes out the back so if u ground that wire the alt will put out more volts the longer it runs the more volts it does but if the wire is un hook its just a normal 12 volt alt the caseing number is dl 7157 im asking 200 obo
