seriously why would you consider anything other than the VG?? itll be by far the cheapest, and most likely to get you the results you desire, and Im pretty sure itll be less prone to break down seeing as that engine is supposed to go into your car, cross the 20b off for sure, unless you can do custom fab yourself, seeing as it cost $15,000+++ to install and make the cosmo motor run in an FC, which was already a mazda and a rotary, so stop living in a fantasy world and just get the vg30dett, and spend the rest of the money in the bank for repairs