Finally got my motor back from the machine shop and immediately ran into a problem. Disclaimer - this is my first build. I determined that I would require oversize +.005 thrust washers on one side of the center main bearing before I took it to the machine shop. Now that I am trying to install the crankshaft I find that if I install std thrust washers front and rear I get .007 clearance (or out of spec should be .004-.006). If I install the +.005 oversize on the rear then I of course get .002 or too little clearance. What should I do? I am using a digital brand new HF indicator and am slightly tapping the crank with a hammer and a block of wood to get it to move back and forth. Bruce