Spoke to a bloke who has a hj-x prem in a club and he said period mods such as 7" hotwires and chrome tips etc but period mods could have been to put the full race L34 eng out of the smashed torana or I remember a hq ss that had a lynx engineering 308 full house as they called it and a blue tonner with a 454 used to get about but not sure how they would react to that ute