Argh.... 65K miles (4.5 years) on the rebuild and it looks like I've got an internal head gasket failure, again. I heard sloshing in my coolant system on cold start last week and verified this weekend that the engine is slowly pushing coolant to the overflow reservoir.
It's frustrating. I did everything right, I thought. Machined the heads, had the block checked, installed heads with ARP head studs, etc. I used Fel-Pro MLS gaskets. Could this be the issue? This is the same failure mode I had the first time (combustion gasses leaking into the coolant).
Just trying to get some ideas before I decide on what to do going forward. Thanks.