> Heck, P-47 Thunderbolts had the Turbo >wAAAY in the back of the plane (behind the wing) and lots of piping, and >they made power. not all turbo layouts are efficiently designed, true, >but many are. a major issue with turbos in cars is lag. aircraft applications tend to towards constant engine speeds, so long intake and exhaust runners aren't such a big deal. richard ------------------------------