Uh-oh! Thread's going sideways! Lol!
I would think that the 80 would handle a 6.0 in front of 3.73's better than the 60.
What's the downside of them? Alternate suggestions? I'd love a T-56!
The 6.0 is getting a cam/spring upgrade & like the ole man told me years ago, if you're gonna build an...