Looks like a Broken Remnant left on top that used-to scrub fit to the top...
Pull it out and look in there to see if there are witness marks from a scraper
Why would you Switch to a Clutch Fan if you had Heat Issues?
A solid fan is 100% all the time and a clutch type is maybe 85% at Full grab?
I don't have any heating issues...
I do just want that 15hp back.
So, I'm gonna make it work.
I wasn't even thinking of the Installed Thickness of the Head Gasket but rather the Hole Size.
I have a 360 Head Gasket with a 4.060 Hole (I think)
I could not find a Proper Gasket with my small 3.625 Hole.
This is currently my Biggest loss...