No. Your balancer has a key way and can only go on one way. The only part that might get messed up is if you have an adjustable timing pointer. Take a cell phone picture of it before you remove it, the timing cover and pointer. Then, when you put it back together, you can line everything up. Other than that, you should be fine. However, you are concerned, you can rotate the engine by hand so that the distributor is pointing to the #1 cylinder. Again, take pictures. They help
