A REVIEW OF JDM MAZDA RX-7 FD 13B-REW ENGINE FOR SALE

k20a2/ k20a3 blocks Is there any big dif. concerning these two. I am chatting just the blocks. As in would a K20a2 block be considered a better choice in sleeving about the A3? The A3 are so low-priced to come back by so I just wished to know.I found the comparison by model and selling price quite handy and was ready to Track down the car I needed