JAsher45
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- Redfield, Iowa
Hey guys, i was wondering if anyone knew the casting numbers for the newer cast cylinder heads for the 6.5/ 6.2 that had the inproved cooling under the precups. I am just doing some research before i pull my heads off.. .. i am getting combustion gases in the cooling system. but no coolant in the cylinders or crankcase.. could be a head gasket.. 20 some years probally are shot but sime new heads would be great too with a little hand work on the ports and valves.. let me know if any one has the casting numbers... i believe they were late 90's