For quite a few years now I have been tempted by the idea of ditching my 3S-GTE turbo 4-cylinder and swapping in one of Toyota's newer v6 motors, namely the 3.5L 2GR-FE. But my 3S was still running great, and I had too much time, money, and effort invested in it over the years to drop it without a good reason. That is, until a little over a year ago when the head gasket failed on the way home from the track, as described here: Tres Duro 2016 - My Lucky Streak is Broken. That motor had also been burning a fair amount of oil, and since I had to tear it apart anyway to fix the head gasket I was tempted to rebuild the whole thing to fix the oil burning. I almost went down that road of rebuilding it. Again. Fortunately I remembered that I had been telling myself for years that I would go v6 before doing that, so here we go.