So my battery recently crapped out(over winter was in the proccess of it before winter) on the Trans Am looking to get a new one this week. However i'm really confused i see they vary alot in size what's the bare minimum i should go?
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What size for new battery
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It depends on how much ya want to spend. I have an Optima battery in the Camaro. It is a Red Top Optima. The 1st year I had it I took it out in the winter and put it in the basement on a trickle charger. In the spring it wouldn't even turn the engine over. Took it back for a new one. Did the same thing the next winter and had the same problem again?
This winter I did not take it out or charge it at all and no problems. The car started right up?Last edited by ezcruisn71; March 3rd, 2010, 09:46 AM.
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What size engine do ya have? Back when I was in College they said that the CCA (Cold cranking amps) Should be about twice the size of the engine. So 350 CID = 700CCA. That works for a standard engine. If you increase the compression on the engine that formula doesn't always work. You can also go to this web site they have several different batteries for you car. http://shop.advanceautoparts.com/webapp/wcs/stores/servlet/category_Batteries_13559______
Back in the days when I went to College they didn't have many cars with high torque starters on them. Since the 90's quite a few cars have high torque starters that require less amperage to turn them over. I even put a high torque (gear reduction) starter on my old Camaro. So that that formula does not always work that I gave you.Last edited by ezcruisn71; March 3rd, 2010, 10:06 AM.
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I have a gold duralast battery with both side and top cable connections that I bought from Auto Zone for less then $100 with my bad battery as a core. It has more then enough cold cranking amps and so on to start my camaro drive the piss out of it and run my 1800 Watt stereo system. Not bad for $100 battery...
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the group size would be 75 series, so any 75 series (size) will work as long as the cca's meet oe spec, autozone will be able to tell you that since i dont know off the top of my head for lt1's.sigpic
The LS1 or Go Home Crew
ASE master certified
1998 Camarbo z28-going back to stock
11.3@121 old heads & cam setup
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When I bought my car years ago(with the v6) it came with an everstart max, 1250 CCA battery, the thing is way to damn big, hardly fits in the tray and last summer rubbed a hole in the little AC line that runs to the condenser. Always starts it though, never put it on a tender or charger over winter, and out of all the cars it gets stored with (2 vettes, a 50s pickup, and my jeep) its the only one that starts right up without any hassle in the spring.
I would say between 700 and 800 CCA. Most importantly just make sure its the right size..1999 Camaro - 6 liters of fury.....
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Had bad luck with my Optima Red Top. I'm on my second one in 2 years. I won't buy another one, not for the price.
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I wonder what's happened to Optima's? I read more and more how so many people are having problems with them yet guys who bought them some years back have had no issues at all. Mines's been absolutely rock solid for 5 years, this is the first winter it's been on a battery tender too.sigpicTurbo Charged LS1/T56
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