572 big block pushes out 620 hp with 650 lbs of torque . 9.61 compression ratio and redlines at 6000rpm
What is the biggest big block these days? A 572 maybe? They have huge engine compartments, so you can fit pretty much ANY big block in there.
I've heard of boring and stroking to 572, but probably not much more without a tall deck.
YES
572 cu.in. big block.
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Yes there is room for it to fit.
Yes but limited space for headers.
Not without seriously extensive (and expensive) modification
yes it can
yes you can, you will just need the big block motor mounts to do it.
Yep! It will bolt right in. The Chevelle was designed to handle the big block from day one. Externally, the 572 is virtually the same as a 396, it just has a slightly taller deck height because it is based on the 427 truck block. It will be a little taller and wider than a 396, but it will still bolt right in.