My car doesn't overheat it doesn't smoke the oil is
fine the coolant looks fine but that they say I need
a head gasket
I don't have an answer
Head gaskets can blow in between cylinders also, they don't always blow into a coolant passage. That maybe what they are talking about.
get 2nd opinion
I'm thinking the precat converter
Ask the guy who told you that you need a new head gasket for his reasons.
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