I'm trying to decide what cubic inches to run. I've got a sbc dart aluminum block that is 4.155 bore, but it is standard deck height. I plan on running 2 stages, 1 plate and 1 fogger. I'd like to run a 421 or 434, but am worried about pistons with less than 1.100" of compression height holding up under 2 good size stages. Any input on how reliable these combo's would or would not be?