I have had the same thoughts, I have heard you can do a straight swap with 1.0L to a 1.2L :) I also believe you can take out a 4 speed gearbox out 1.0L & put a 5 speed gear box in :) As for engine's I wish I could get a 1.8T 8v Audi engine & shoe horn it in my 1.0L K10 Micra, but no doubt it's...