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Battery Type

Electrical

Vehicle Information: Year: 1977; Body Type: Coupe;

I am a new member of PCA and first time Porshe owner. I need to know for my 1977 911S (stock) what battery do you suggest? Cold Cranking Amps should be? I purchased an Interstate Battery from NAPA but it is a small battery (7548?) with only 690 cold cranking Amps. I am thinking it may be too small.

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