can anyone give me some info, i have a 2001 nissan cabstar 2.7 td.the head gasket went about 6 wks ago started white smoking when warm.i had it repaired head tested and skimmed new gasket.50 miles later it is doing the same, plus the engine is breathing heavy through the oil filler cap,also the fresh oil looks metalic. does the 2.7 terrino engine fit caus im sure this one is past repair,plus 2.7 cabstar engines are pricey.any info much appreciated.chaz