What could cause this? 360 problems ####update####

Found the problem. Timing chain was installed straight up matching both 0s as per directions. Installed properly i had to match the 0 on the top gear to the rectangle on the crank gear. Must be a factory defect.
No that is not the problem. The correct answer is you need to get your tail in gear and degree the thing, and NOT depend on either the balancer mark or the timing marks