Quote Originally Posted by Steve Holmes View Post
I think the reason Dale has asked about the Duggan and other cylinder heads is that the rules for the new New Zealand Historic Muscle Cars class allow for certain 'period' engine modifications and equipment, so he is trying to find out what aftermarket heads were used on the XU1 during the '70s in NZ. Is this right Dale?
Yes, correct Steve, i know lots of XUI Toranas were raced in NZ but would like to know from any forum member what Engine components/modifications where avalable before Dec 1977.

Dale Mathers