My install was 14 hours for both sc and Devil's Own Injection at $95/hour.
Was that good or bad? I really don't know.
All I know is I couldn't do it myself and wouldn't want to even attempt it.
Track car: 2011 GT 5.0
RIP - VF blown w/meth inj. - ucc sways - TC Kline S/A - staggered