k20a2/ k20a3 blocks Is there any big dif. among both of these. I am conversing just the blocks. As in would a K20a2 block be a better option in sleeving about the A3? The A3 are so affordable to come by so I just desired to know. This is among the main reasons why quite a few JDM fans even now try to look for a 2JZGTE engine for sale. With dual