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Originally Posted by Zoomie
If you want to hear about GM batteries, go to a Corvette forum and find a thread on C5 batteries! I cannot believe that after over 100 years of making 12 volt wet cell batteries, the General has , apparently, forgotten how to do it! 
To be fair, though, my wife's Trailblazer is over 4 years old and still on the original battery. Maybe I'd better change that sucker!! 
In any case, I think anyone with a battery problem might as well save themselves some grief (alone on a trail with a dead battery???  ) and get an Optima. No, I don't make them, sell them or own stock..wish I did!
I went through two GM batteries on my 01 Vette before I gave up and bought an Optima. A little expensive, but I know it won't leak, damage a computer or leave me stranded.  |
Only problems Vettes had with leaking batteries was the side post batteries. In 2002 they switchd to AGM batteries that can't leak, and in 2004 they went to a top post. I would not worry about a top post battery leaking.
(I will say that whoever designed the computer below a side post battery should be sent back to school.)
As for GM batteries, well, GM does not make batteries. In addition, as I have stated before, batteries are a problem for all manufacturers, battery failure is extremely high at any vehicle manufacturer, especially if the vehicle is in a very warm location.
Optimas are great, might be the best, but they can also fail, but their failure rate is a hell of a lot lower than a normal wet battery. (I had one fail!)
To be honest, the last battery I replaced was my Jeep. My vette batteries never gave out, my H3 battery is still going strong. But in all honesty, if I do have a battery fail, I will install a red top, unless I install a winch or other high amp device.