I am a Houston Texas area restoration shop.In the last 30 years I've had this problem twice before.At that time I owned the cars and sold them at a loss and got OUT.This time is with MY CUSTOMERS CAR.Long story short.Complete re-build..030 bored.VERY mild 1 step up cam (RV type).Dish top pistons.68-289 short block w 66 heads.64cc. There is NO WAY to keep the engine temp down. The longer it runs the hotter it gets.20 min. is it.Guage burried.Engine water temp is actually 190-195.Thats too hot.Head gaskets are on correctly.New 4 core radiator.Factory 6 blade solid fan.Less than an inch from the rad.With or with out t-stat.ALL THE SAME.Pressure test is fine,no leakage.Is there a wrong head gasket????Wrong intake gasket???Water is flowing through rad. great.I'm stumped.WE HAVE TO FIND IT...Please help me.E-MAIL OR CALL SCOTT 936-756-2535 [email protected] PLEEEEEEEEASE SEND HELP!!!!