Torque is pretty flat with 175hp at 2000-2600rpm. QUOTE]
this engine is actually very similar to the latest VW diesels (I-4, piezo, vari-vane turbo, etc) except for the aluminum. these would be easier to get but you'd still face same installation issues.
according to the info:
-- it makes 175hp at 3600 rpm (would need a PSRU)
-- won't be available until 2006.
-- inline-4 (would need to mount upside down to get crank aligned w/prop)
-- no mention of plans for US import
challenges:
-- brand new engine...would Toyota sell crate motors?
-- engineering a PSRU and FWF will take years and $$$
-- props & diesels are VERY difficult to match