Can I put a 710cca battery on my 95 GMC 4X4 K1500 ,it has a 660cca
Yes. No problems at all.
Just as long as it fits the battery carrier and can be properly secured. I had a 1000 in my old Tahoe, it was a gel cell, sold it with that battery still in there after I had been working it for 3 years.
As long as it physically fits the vehicle more CCA is always a good thing.
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