K20a2/ k20a3 blocks Is there any major dif. among these two. I am talking just the blocks. As in would a K20a2 block be considered a better option in sleeving about the A3? The A3 are so cheap to return by so I just planned to know. This has become https://elliotthvdlw.blogginaway.com/33250710/helping-the-others-realize-the-advantages-of-jdm-subaru-ej20-turbo-engine-impreza-wrx-13b-bridgeport-engine-for-sale