I understand what CCA (cold cranking amps) are.
Now, given I want to go smaller to reduce weight with a good battery. What is the lowest CCA that would allow me to turn my car on in the winter with very little fuss.
I have seen it where I am down to -8 F before, but that is more rare than the winter typical just below freezing.
I also plan to have a pre-luber to get oil circulating before I crank. If that even matters. And possibly having the battery in the trunk.
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