I finally got around to removing the intake today with the intention of re-sealing the rear china wall with Ultra Black RTV (as suggested on this site.)
The first surprise was seening crud in the thermo housing, on the thermo, and gelled antifreeze under the thermo on the floor of the water passage inside the manifold.
It got worse when the (RPM Air Gap) manifold came off. The driver's side rear water passage was nearly plugged with technicolor goo. (Yuck)
I plan to fix this situation by refilling with tap water and GUNK rad flush ... and then refilling with 50/50 premix. It just had to be a chemical reaction with tap water, right?
Block was dipped, the rad is brand new ... everything is (was) brand new, with only hours -- not years -- of run time. Yes, the engine has sat idle for a couple of years now. I discovered that the t'stat housing was actually corroded to the point of perforation, but then again it's made from genuine Taiwanisium.
Any recommendations for a GOOD new one?
I have reordered a FelPro Performance Intake Gasket Set (#1210) also at the advice of the membership here. The gaskets pictured in my journal are Felpro MS90240-2 which would have been stock on this engine.
Now on to the subject of this thread:
Some of you may recall that I have experienced the scrubbed cam lobe on the initial startup on the original cam. We're now on cam #2, and I MAY be paranoid
... but I don't like the look of the lobes considering this NEW cam has just break-in and occasional "show and tell" sessions on it.
More pics and story in my latest journal entries. (#73, 74, 75)