We hava aTangyes, Hot tube ignition, timing is changed by moving flame along the tube to advance or retard firing. David Watts (03) 87616332 http://thumb18.webshots.net/t/57/657/4/50/62/2090450620098406298MebCzj_th.jpg damewatt at bigpond.com Brian Watts (03) 97266147 briwatt at optusnet.com.au http://community.webshots.com/user/briwat