1981 corvette

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Feb 10, 2020 | 07:56 AM

tjb141@aol.com

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1st Gear

Joined: Feb 2020

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1981 corvette

Hi everyone. I have a 1981 vette and need to replace the battery. What brand do you recommend? What’s the CCA recommended for this vette? My battery had a 770 CCA. Thanks everyone!

Feb 10, 2020 | 08:48 AM

Douglas Mariani

GM Cert Corvette Tech

Joined: Apr 2008

Posts: 2,559

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From: Anaheim Hills California

Welcome to the forum

Optima - Red Top Battery, Group Size 78, 800 CCA (Part No. 78)
or
Delphi BU9078DT MaxStart AGM Premium Automotive Battery, Group Size 78DT (Dual Terminal) 775 CCA
or
ACDelco 78AGM Professional AGM Automotive BCI Group 78 Battery 740 CCA

Last edited by Douglas Mariani; Feb 10, 2020 at 08:50 AM.

Feb 10, 2020 | 12:46 PM

interpon

Le Mans Master

Joined: Jun 2019

Posts: 7,649

Likes: 2,466

From: Indiana

Whatever costco tells me fits or is optional and get the larger one if optional, at least my 79 they had info on

Feb 11, 2020 | 07:40 AM

derekderek

Race Director

Joined: Jul 2015

Posts: 13,082

Likes: 3,399

From: SW Florida.

I use lawn mower batteries to start the 454's in my hatteras. 25 bux at walmart. So CCA is not that big an issue until you get to 11:1.

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