I've had good luck with Auto Zone Duralast batteries in other vehicles, but don't even know if one is available for the Z.
PS...I've also heard that the Optima batteries are not what they used to be. Just my $.02 (never had one so...).
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mults
40th Anniversary 'Z', 312.06HP/260.58TQ (Dynosty EcuTek Tune)
Build Date/Number: 1/27/2010 #706
Berk HFC + CBE, R2C CAI, Clear Bra, Cleveland Z Club
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