This is intresting!!!
I have been wondering the same thing and watched really close this thread with lots of good info :
https://lateral-g.net/forums/showthread.php4?t=5109
But the question is , how in earth i can fab correct mouting points on old frame when orginal vette part can be used ?? its really easy to miss mount em and get wierd front end geometry and wheel location. I understand at some kind of jig must be made but how how how how
Something like this i liked to try
