I can't think of any reason not to use it. I don't believe that CCA figure though. That's probably that silly CA figure. Many 8D batteries are rated around 1100 cold-cranking-amps (CCA). The most expensive that I know of are rated 1450 CCA. 8D is about the twice the size of a BCI type 78 but almost 3" taller. 8D will have near 3 times the reserve capacity (RC) and amp-hours (AH) of one type 78.
With flooded lead-acid batteries the actual weight will tell you the story.
8D rated 1100 CCA weighs 117 lbs. wet.
8D rated 1450 CCA weighs 134 lbs. wet.
78 rated 750 CCA weighs 36 lbs. wet.
78 rated 950 CCA weighs 44 lbs. wet.