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Thread: Replacing the Corvettes battery ?

  1. #1
    killain's Avatar
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    Default Replacing the Corvettes battery ?

    I have a Optima Red Top in my 2003 50th Anniversary coupe, and it's given me 6 long years, but I have a headache over reading al the different opinions and sage advice on what AGM battery to use this time around. You name the brand, and I've read the pro's & Con's on each brand and all the horror stories about this one and the "One that blew up in my face and . . ."

    I'm going to get some advil, Thank you !

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    Default

    Quote Originally Posted by killain View Post
    I have a Optima Red Top in my 2003 50th Anniversary coupe, and it's given me 6 long years, but I have a headache over reading al the different opinions and sage advice on what AGM battery to use this time around. You name the brand, and I've read the pro's & Con's on each brand and all the horror stories about this one and the "One that blew up in my face and . . ."

    I'm going to get some advil, Thank you !
    Go to your local Chevy dealer and get the Delco Professional Battery for your '03. It really is the best one available. The proper CCA and RC. Ask C4C5specialist... the man knows!!
    The only thing that you accomplish when you make something idiotproof, is breed a better grade of idiot,
    Z06/Z16 #1689

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    Member Huskerman's Avatar
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    Ya what Big Jim said......700 CCA and 120 RC.......

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    Red Vette's Avatar
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    After listening to Paul (C4C5specialist) at CF seminar in 2011 at MAMW, I believe that the Professional Delco is the correct battery for the C5s. Paul told how problems occur in the C5 due to the incorrect battery; voltage and CCA/RC are very important. If you purchase the battery from a dealer, make sure you get the correct one as their parts listing will show various batteries for the C5, but only one is the correct battery. You want ACDelco Professional 78-6YR Part No 19001632 with 700 CCA and 120 RC. My original battery lasted 8 years and was still checking out to be OK when I replaced it. Paul told me at MAMW Fun Fest in 2009 when he looked at it that it was the original battery. Not saying that Optimas or others aren't as good or better, I just stick with OEM when possible.
    Barrett

  5. #5
    killain's Avatar
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    Default New Battery ?

    Quote Originally Posted by Red Vette View Post
    After listening to Paul (C4C5specialist) at CF seminar in 2011 at MAMW, I believe that the Professional Delco is the correct battery for the C5s. Paul told how problems occur in the C5 due to the incorrect battery; voltage and CCA/RC are very important. If you purchase the battery from a dealer, make sure you get the correct one as their parts listing will show various batteries for the C5, but only one is the correct battery. You want ACDelco Professional 78-6YR Part No 19001632 with 700 CCA and 120 RC. My original battery lasted 8 years and was still checking out to be OK when I replaced it. Paul told me at MAMW Fun Fest in 2009 when he looked at it that it was the original battery. Not saying that Optimas or others aren't as good or better, I just stick with OEM when possible.
    Barrett
    Good advice, what the AC Delco Proffessional sell for,is it a AGM battery & does it come in a 75 series so it'll fit OK. Another Optima sells for close to $200.00 ?

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    Member Huskerman's Avatar
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    Around 85 to 100 bucks online but they don't give the CCA or the RC numbers... I bought one at the chevy stealership for $120 and it was not the right one. 700 cca was right but only 95 RC.....back it goes.......

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    Red Vette's Avatar
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    I believe the 75 battery series was replaced by the 78 series. My original battery was the 75 series; you really need the 78 series now. If in doubt, take measurements of your present battery and check it with the one I listed. I believe that I paid around $100 to $120 before my senior citizen discount. Since you have a 2003, the battery I recommended should fit in the compartment. GM did not change the battery compartment in the C5. Also, it is important for you to torque the terminals correctly. The torque should be 89 inch pounds and the hold down nut should be 12 foot pounds. Many people do not know how crucial the battery terminal torque is; another tidbit from Paul that he shares with everyone. BTW, keep your receipt as the battery is warranted by GM.
    Barrett

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    Default Video given bt C4C5 !

    Quote Originally Posted by Red Vette View Post
    I believe the 75 battery series was replaced by the 78 series. My original battery was the 75 series; you really need the 78 series now. If in doubt, take measurements of your present battery and check it with the one I listed. I believe that I paid around $100 to $120 before my senior citizen discount. Since you have a 2003, the battery I recommended should fit in the compartment. GM did not change the battery compartment in the C5. Also, it is important for you to torque the terminals correctly. The torque should be 89 inch pounds and the hold down nut should be 12 foot pounds. Many people do not know how crucial the battery terminal torque is; another tidbit from Paul that he shares with everyone. BTW, keep your receipt as the battery is warranted by GM.
    Barrett
    I watched both of the Video's and I believe what he says about 80% of the column lock problem being a low or bad battery. Just from owning a Optima Red Top, I have listened to so many people who bad mouth the battery as junk cause it was drained and when they took it to get it charged, the battery won't take a charge ?. . . Like do you take a minute and go the Optima website a watch any one of the How-To videos???? If the voltage in an Optima drops below 11 Volts it won't take a standard charge ! but that doesn't mean it's bad, it just means it needs a different procedure to charge it up. But it does point out about how many people, buy a battery and put in their Corvette and forget about it. I know the C5 has a very low "parasite" charge. But they clearly say they left the car in the garage for a month and now "It won't start !" ah Yeah ? I keep mine in the front garage and if I'm not going to use it for a week to 10 days, I open the hood and put the float charger on it. What's it take, two minutes ?

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    killain's Avatar
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    Default Still looking for a AMG battery ?

    Looking for a good battery is one thing, but trying to find a top of the line AGM battery is hitting a rough spell. Exide and Optima make them, but I haven't found much to pick from.

  10. #10
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    Default New owner wondering if I did the right thing???

    I hope I didn't buy the wrong battery, but this is the one I just put in my C5.
    I clipped this from the web site. Will this one work, or should I start looking for another one?




    Duracell® AGM Automotive Battery - Group Size 78DTAGM


    • 12 Volt Universal Dual Terminal Battery
    • 36 months Free Replacement, 96 months Pro-Rata Warranty
    • Free Installation in Sam’s Club Tire and Battery Center (Available on Most vehicles)



      Model: Group Size 78DTAGM

    Item #: 347743


    • 12 Volt Universal Dual Terminal Battery
    • 36 months Free Replacement, 96 months Pro-Rata Warranty
    • Free Installation in Sam’s Club Tire and Battery Center (Available on Most vehicles)
      Duracell® AGM Automotive Battery - Group Size 78DTAGM

    20 amp hour rate:55
    BCI Group Size:34/78
    CA at 32 degrees F:955
    CCA at 0 degrees F:775
    Reserve Capacity:120
    Volts:12
    --Mark


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    Looks like it has all the right specs.
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    Best battery for high-performance use is the Odyssey. Pricey...yes? But a great value in the end. Longer service life and much higher "pulse cranking amps" which is what really starts your engine. The top of the line Sears Die-Hard is a private labeled Odyssey and sells for a bit less, but the Sears version doesn't some in as many sizes and ratings as do the Odysseys.

    I reviewed them a while ago. See:Corvette Action Center | Tech | The Solution to my Corvette Battery Problems: The Odyssey Battery

    I just put a new Odyssey in my C6 and, after I test it for awhile, I'm going to update that above review to cover that application.

    Optima Red Top. Overrated. It doesn't live-up to it's marketing. Too many QC problems. Was much better when Optima was an independent maker but quality has slipped since it was taken over by Johnson Controls.

    ACD Professional batteries are also a good choice, probably better than the Optima but fall short of the Odysseys.

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    Quote Originally Posted by BigJimZ16 View Post
    Go to your local Chevy dealer and get the Delco Professional Battery for your '03. It really is the best one available. The proper CCA and RC. Ask C4C5specialist... the man knows!!


    I agree, last year after much research, that is the one i put in my 00 coupe,plus it has the best warranty in the business 48 month replacement. Ken

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    Default Delco Battery

    Quote Originally Posted by Red Vette View Post
    After listening to Paul (C4C5specialist) at CF seminar in 2011 at MAMW, I believe that the Professional Delco is the correct battery for the C5s. Paul told how problems occur in the C5 due to the incorrect battery; voltage and CCA/RC are very important. If you purchase the battery from a dealer, make sure you get the correct one as their parts listing will show various batteries for the C5, but only one is the correct battery. You want ACDelco Professional 78-6YR Part No 19001632 with 700 CCA and 120 RC. My original battery lasted 8 years and was still checking out to be OK when I replaced it. Paul told me at MAMW Fun Fest in 2009 when he looked at it that it was the original battery. Not saying that Optimas or others aren't as good or better, I just stick with OEM when possible.
    Barrett
    Would you have a delco part number for the above battery? I would like to purchase the battery online.
    Thank you.

  15. #15
    Member Huskerman's Avatar
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    As far as I can tell that is the Delco part number. On my correct battery it says....78 - 6YR 19001632 I see no other part numbers on it.....

    In my dinky town there were 10 at one place and 5 at the other. I guess they are popular. I paid 85 dollars plus tax.....The Chevy place listed for 120 and would sell for 95.....I bought at the other shop.....

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