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tubman · 11-30-2020, 05:10 PM

I really don't think that there is an 8 volt battery (golf cart batteries excepted) that has more CCA than a 6 volt Optima. What you really need are good connections, good grounds, and the proper size battery cables.

11-30-2020, 05:10 PM	#4
tubman Senior Member Join Date: Dec 2013 Location: Minnesota, Florida Keys Posts: 10,316	Re: 8 volt battery in a 6 volt car? I really don't think that there is an 8 volt battery (golf cart batteries excepted) that has more CCA than a 6 volt Optima. What you really need are good connections, good grounds, and the proper size battery cables.