On my quad I run a Cool Head with a 20cc dome and take apart a stock head gasket using only one thin piece (which is the same as a CR gasket). 190 pounds of compression with a fresh top end. No race gas. If you are running a stock head you should be just about the same.
"Everything's a good idea when you're drinkin'"
"Without rules, we'd all be livin' in trees, flingin' our crap at each other" - a very wise man
2003 Lonestar 250R
2001 Lonestar 250R
1986 TRX250R restored to new
1986 TRX250R still in pieces
2007 TRX450R
2004 TRX450R
1999 CR250
1999 CR500
1996 CR250
and many more
GNCC Vet class
#102 (WTF)