Colin - Last time you checked in with us you mentioned your motor was gitting a bit "loose" and needed freshened. Have you added any goodies to it this winter for the coming season?
As for the header thing, buy a good tig welder. The rest will take care of itself, by my judging of your work ethic. My first set of homebuilt headers were a mess, as I used a mig welder.
cobrashock
