Help me understand my timing please

Here's a video about finding TDC if you'd like to watch. Yea, i know it's a GM but the principle still applies.

[ame="http://www.youtube.com/watch?v=bhIP5YKCgRE&feature=related"]Find TDC With Heads On - YouTube[/ame]

Also, if you need to buy one, here's a link...
http://www.summitracing.com/search/Part-Type/Piston-Stops/?keyword=piston+stop&kr=piston+stop