[jtroutma]

Here is what I am wondering....

The nice things about those springs is that it applyes even pressure on all sides of the blocks until you flatten them out. It could be that one side is being overtightened and it is slightly displacing the block.

Try this: reseat your block one last time but screw down the block using diagonal pressure. AS in, tighten down the lower left screw at the same time as tightning down the right top screw until you get some resistance. Then tighten down the other diagonal screws until they are snug as well. Then go back to the originals and give them both a 1/4 turn at the same time, then switch to the other diagonals for 1/4 turn. Keep doing that till it is finger tight on all screws and then see what happens.

Make sure that you are tightning the diagonals at the same time, not one then the other.

My 2 cents..... worth a shot if you havent tried it yet. I would still find some replacement springs though.