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Optima Battery - What part number?

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Old Mar 23, 2005 | 06:12 PM
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Default Optima Battery - What part number?

The Optima website says I should use 34/78 or 75/35. The two Costco's that I've been to have exactly one Red Top each. Neither of which are the ones I need.

What part number are you using? Does it even matter, as long as it has side terminals and 750+ CCA?

Thanks in advance.
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Old Mar 23, 2005 | 08:21 PM
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I have the 75/35 for my car, I can go see if it fits in the car.... but theres no wiring harness in the vette to test anything else
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Old Mar 23, 2005 | 09:05 PM
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The third Costco that I went to had the 75/35 (acutally, 5 of them) so I bought it.
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Old Mar 23, 2005 | 09:45 PM
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I've got the same question. i want the biggest possible battery that will fit into the battery comparment of my 81 vette. Any advice would be appreciated

STW!

Platato
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Old Mar 23, 2005 | 11:44 PM
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Also check into the Exide Orbital battery. It's the exact same technology as the Optima.

They are sold at Sams Clubs.
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