I have a problem last week I bought a b18c block which I thought was in good condition. I then went out and bought all the internals to make this block handle some good power forged rods, forged pistons you name it I bought it. Only to find out that the block that I bought was no good there were pits in the second cylinder now I am stuck trying to find a block. I have at my access a few B18A's. I was wondering how hard is it to do the ls vtec, will my gsr rods fit the ls crank or should I just use back my GSR crank and put my forged internals in the ls block. I am confused and I think I am going to loose it.