Any reason not to go with a larger battery?

[andyd]

all I know is that the 24F in my Camry had ~575 CCA and it lasted 6 yrs which I consider good. The replacements are 750 CCA from WM. The cars have a small displacement engine and start easily. They don't need big ,battery when going for the last .001 MPG. I went with the higher rated battery in case of lights left on scenarios along with a good set of cables

 

[oil pan 4]

I say run the same size battery as your other vehicles if you can, that may require you to go smaller or larger.

 

[berniedd]

Don't listen to that guy, John Walker.

Problems With Using Too Large of an Auto Battery

Car manufacturers evaluate the amperage necessary for starting and operating the vehicle in different situations to determine the alternator needs. The whole charging system is based upon the evaluation of the vehicle's needs. The battery is just one aspect of the system. Using the wrong battery...

itstillruns.com

As many posts above have said, he's talking thru his hat and amply demonstrated he knows not what he's talking about. Except for bodywork, I work and fix my vehicles myself, have done so for the last 55 years. I estimate that half of his written article is untrue.