K20a2/ k20a3 blocks Is there any important dif. in between these two. I'm chatting just the blocks. As in would a K20a2 block certainly be a better choice in sleeving above the A3? The A3 are so cheap to return by so I just wanted to know. We will be https://beauecwoe.therainblog.com/31640427/everything-about-lexus-isf-5-0-v8-2ur-gse-full-engine