Default Re: battery cable thickness

I'm using a flaming river Big Switch, and use 4/0 welding cable, 16v system. Not an issue at all, but I also run dedicated grounds, not through the chassis.
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Mark Goulette
Owner and driver, Livin' the Dream Racing Dragster
Speed kills but it's better than going slow!
www.livinthedreamracing.com
Authorized Amsoil Dealer