k20a2/ k20a3 blocks Is there any major dif. concerning both of these. I am chatting just the blocks. As in would a K20a2 block certainly be a more sensible choice in sleeving more than the A3? The A3 are so low-cost to come by so I just desired to know.Did any ever get imported below, or are these all engine imports only? Supra turbo is a great dea… Read More