Wisdom from the masses (at least some : )

O-la gurus.

If memory serves, i had one in a camaro when i was a kid. Destrokes 400 small block = 377ci small block
anybody had any practical experience w these?
Wanna build a rod w a big gear and am o/d... Dont care about top end, just wanna be quick to 90 or so...
So ima thinking quick wind up, maybe even an alum flywheel in a 2100 # car???
Wadaya think?