CRANK WOBBLE!! Updated, found problem
if the crank is bent , the pulley is way out there . you won't see it wobble with your eye on the damper , its dial indicator time on the damper and rotate the motor by hand . blowers like to crack crank noses off it starts with a bent nose . and are you sure you damper is not taking a sh....t . la's are known for damper to fail to stay in good shape .