Quote Originally Posted by RodneyHZ253 View Post
Welcome Ben it sound like its taken you a while to get to the hz you won't be disappoint it took Holden 8years to develop the hq into the hz so you are on the right track good luck with the rest of your reso .
It didn't take that long Rod. HJ was pretty much locked in late in 1973, HX in 1975 and HZ in 1976. Designs for each would have been well underway a few years earlier. HZ suspension geometry would have been on HQ except for George Roberts wanting an understeering pig.