Which will help more?

[Confused.Me 10+ year member]

At the moment i have a 4 gauge wire running from batt to amp in trunk, i have enough 1/0 to now replace that 4gauge. is it worth using my 16 feet of wire to do that? like will it be a huge difference in my electrical between the 4gauge? and i could just keep the 4gauge and use some 1/0 for the big 3

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[Snwbrdr1 10+ year member]

Whats your set-up? and whats your battery cranking amps?

 

[geowick07 10+ year member]

Personally, I would do the Big 3. Seems to me you would benefit more from this than a power-wire upgrade.

geo

 

[Confused.Me 10+ year member]

im running a single Omega 15 off two strapped ed.nine1's, 140 amp alt, gettin batt for back this week, dk which tho, thinkin just a kientic 1400....?