FASCINATION ABOUT RB26DETT MOTOR FOR SALE

Do you know where by I can see images of an overall economy k20 crank vs a general performance k20 crank so I can determine what it ends up getting?k20a2/ k20a3 blocks Is there any key dif. involving both of these. I'm talking just the blocks. As in would a K20a2 block certainly be a better choice in sleeving over the A3? The A3 are so low cost to