<<< Edit by Matthew — be careful with steel bolts in the aluminum block! Double check the torque values (ask here!) They may be aggressive... if you know, please chime in here. Use a 1/4 inch torque wrench for this work with the block, no bigger! >>> Hey all-- I know it's been written before, but I...

Is your Check Engine light on?
Have you scanned for codes?
Checked fuel and spark?

Are the cams turning when trying to start the car?
Have you jiggled around the AMM connector?