I've been building a k20a2/k24a2 for my 08 FA5, and my goal is 300+ whp while retaining all the luxuries of the car.
My head is a k20a2, I'll be getting the 4Piston 156v2 port and polish, with ferrea 6000 valves, supertech valvetrain, and dc4 cams.
My bottom end is a k24a2 donor, stock crank. Running Brian Crower Lightweight Sportman rods. Ceramic coated Wiseco 12.5:1 pistons. Ported RRC oil pump from Hytech, as well as his oil pan baffle.
Induction will be a custom intake tube, feeding into modified Lexus RC-F throttle body(84mm at the plate), a Hayward Performance centerfeed intake manifold. I'll have to do a tube support/hood latch to actually fit this beast.
Exhaust is a custom Hytech header, gave him all my engine specs and he designed it. From there it's going out a 3" Full Race exhaust... oh yeah, both are ceramic coated.
We'll see what I get when I get there! Slow going, military pay ain't that great when you're low on the totem pole.