Have Cavalier 2.2 1997, transmission manual. Can be used a new battery with cranking amps 900 and cold cranking amps 720 if there was a battery with cold cranking amps 520? Would be it any problem or advantage with this exchange?
Batteries should be selected first by "Group Size", then cold cranking amps. Odds are the wrong group size will not physically fit, or the terminals will be the wrong type, or on the wrong side.
Looked up your car on Advanced Auto Parts site, group size is 75. They offer a 600 and 700 CCA battery. They list the OEM battery CCA at 525.
So, yes you should be able to use a 520 CCA battery with no problem.
i think you have either misread or mis-stated, either way, the bigger battery will be fine. two things to be check:
i always buy the biggest heaviest duty battery that will fit. more cca sometimes comes in handy when boosting others or when you might have left the lights on in the winter. ...thehick
Exactly. Forget the group size except as a last resort. Measure what will fit and put in the largest. Besides, the OP wanted to do just that, not put a stinking little 520 CCA or smaller in there like it had. It's not coincidence that the higher CCA batteries also have a longer warranty. Every year the battery loses a bit of reserve and the bigger base you start with means you go longer. Some cars won't take a larger physically sized battery and then you just do what you can.
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