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A few of the pin bushings seem tight. Not sure if the edges of the bushings may have been dinged a bit in shipping, or if the entire bushing was machined tight? I'll have to examine them closer to see.

The reason I bothered to measure all this, was when I built my 500" stroked 400 block, with a balanced kit, the machine shop told me it was out of balance and needed weight added to the crank.

I am not going to say that all kits are not right but if you are going to spend the money to build a motor be 100% that the parts are right if you torque the rod bolts or mains or heads do you just torque and stop no i check them three or four times will a machine shop can fine little things and i think your rods needs honing i bet if you won"t ever thing to run smooth with NO TROUBLE but i could wrong . GOOD LUCK