this is what i did to my mum's car when i was still new:
The stock ground cables were replaced with 4awg. The rest are 8awg. I did the engine block, starter motor, firewall and alternator. All connected back to the battery using a special battery terminal clamp.
The stock ground cables were replaced with 4awg. The rest are 8awg. I did the engine block, starter motor, firewall and alternator. All connected back to the battery using a special battery terminal clamp.