I’ve tried to get Tim to post on here for the last two years. Tim like me calls a spade a spade so as a businessman he’s probably better off not posting. (A few members would drive him away) I wish I knew more so I could explain better but it’s an Indy block with and I may be mistaken 600-13X Indy heads or something like that. I bought Genes old 1982 Dodge charger Pro Street years ago and even back then he had a plywood pattern on his shop wall for 4 link chassis adjustments. He races this car weekly