Dodge v6 181 dohc tail pipe steam #6 cl missing,not a headgasket problem. insialled rt cyl head, still a problem/ dont know about intake pendim, or crack in block.engine ouerheated due to coolant loss/\r\ndo they have a good block sealent on the market

A good one is the one with sodium and its silver in color, If you decide to use a block sealant and the instruction say add in radiator with thermostat out dont do it that way. To effectively use a block sealer no matter what brand you use, you have to do it the right way, the one on the instruction is for safety standard,and by law has to be written in safety concept, Here is the right way to do it. You add it when engine is cold add it behind the thermostat, install thermostat,close up the system add coolant water in radiator top it off. start the vehicle and top off radiator bring to 1200-1500 RPM until thermostat opens cap the radiator, run until upper radiator has pressure and all the while maintaining radiator level.this way seals the seapage