72 360 first start question

glad that i'm understanding you correctly just wnated to make sure. the dampener will only go on one way and when I installed it and then checked for true TDC it was way off. I'd say about 90 - 100 degrees. I'll check and give you a more accurate number when i get home. The way I've always found TDC is to find the highest #1 piston point on the compression stroke and mark it on the dampner then reverse the engine until it come back to the top and mark it and then true TDC is halfway between those points.