Nick,read this..http://www.chevelles.com/forums/showthread.php?t=88278&highlight=1970+header+install
FWIW,you might not want to cut up that Gardner system to install the headers...IMHO and experience you might be better off either shelving it or selling it...selling it will certainly pay for a either a Flowmaster,Summit,Pypes or Jegs kit and have money left over
FWIW,you might not want to cut up that Gardner system to install the headers...IMHO and experience you might be better off either shelving it or selling it...selling it will certainly pay for a either a Flowmaster,Summit,Pypes or Jegs kit and have money left over