I can see why the routed the hose the other way, the fitting looks tucked in on the photos on his website. also do you have to getc rid of your passenger wheel splash shield to properly support the hose?
a while back i was looking for something regarding my rx8 and i stumbled upon this reddit post:
Immobilizer bypass! (2005 and older) : r/RX8 (reddit.com)
maybe you can reach out to versatune to see if this is possible with the MS6
I agree, finding a low mile/heathy motor for a platform that is a decade old is rare, i doubt the jdm motors for sale today are still coming across the pond with 50-60k miles.
Well I was more so thinking about the valves hitting the piston, which would account for the low compression #'s (assuming cylinders 2-4 pistons kissed the valves) a little borescope camera could confirm if they made contact.