good ground for rear batt? you tell me........

[skmfkr 5,000+ posts]

You're running 1/0 for the + and going to trust a sheetmetal ground on a tin can car (no offense)? If you really want to see the benefits of any electrical upgrades, just run a dedicated ground back up front.

same thing i was thinking. ive read that the car chassis is the equivalent of 4awg

 

[skmfkr 5,000+ posts]

you run wire all the way from your trunk back up to your engine batt for your ground? thought they were supposed to be short?

its still going all the way back to the battery