In a message dated 9/7/05 12:06:12 PM, johns3539@HOTMAIL.COM writes:

<< Before I go this far, though, does anyone have any ideas on what else to
check or remedy? >>

Was the cooling system working properly before the engine rebuild?  Check for
coolant in the oil (for example, a lot of white foam on the underside of the
oil filler cap) and hydrocarbons in the coolant (dye test).

George