Long shot but I thought I'd throw it out: A buddy of mine's durango cracked a valve spring. We're facing the tedious task of replacing sixteen seals and springs, and it looks like there's a tool that was available "once upon a time" that helped avoid the need to pull the heads:
https://www.summitracing.com/int/par...76-1/overview/
Does anybody in the community have one, or know where I should be looking to purchase or rent such a contraption?
Thanks!