You're done. Turn the car over and let is sit at 3000rpms just long enough for everything to get hot. Shut it down and go over each bolt again to retighten them. Since burns of this degree take a while to heal, be careful. Some adjustment of the carb may be necessary, and your overall timing should be set to approximately 25 degrees. To the delight of Old Lady Higgins next door, now you're ready to lay down some major rubber in front of her house. Watch out for cops!