Originally Posted by CaptTom
One more point, the GC batteries are taller, so you get more battery on the same footprint; if there's room.
Some GCs aren't appreciably taller. Lifeline's 31s ate 9.27" tall, and their base GCs are 9.92" tall.
But then again, they also have GCs that are 13.02" and 15.73" tall, too.
Originally Posted by Arcticspud
Space is limited on the port side. The genset is there along with an 8D for starting. I was considering a small water ballast bag that wake boarding boats use to remedy the list.
You might not really need an 8D for starting? If it's dedicated for starting only, a Group 31 with decent MCAs/CCAs could perhaps replace, leaving space for at least a couple GCs (either moved from the original house bank, or added)?