Where do 193 heads crack?

[Justin V]

Looks bad to me

 

[Justin V]

I think that I am over reacting

 

[sweetk30]

pick at it . . . looks like carbon ridge buildup .

when I get home I could take a pic and show you a cracked head . . . off a 366bbc that got real HOT

 

[Bent77]

Usually between the valves, but sometimes there too.
Like sweets said, pick and clean on it