Yea I can see how it would leak down. My Valve Cover gasket is just fine though. Its not even seaping above the Tstat housing. I will be changing that gasket though when I do the timing belt.
2004 Sonic Blue SVT, 1,185 of 1,978, K&N Filter, Steeda Tri-Ax, Steeda Front Strut bar,Eibach Sway Bars, Fog-Light Mod, Yellow Fogs
1990 Mustang LX 5.0L, Project/race car Vortech'd, DSS Forged 331ci Stroker, 10psi