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The lead was not used to lubricate the valves it was used to help the valves seat and seal. The soft bronze seats needed the help. You will not be in any dire emergency to have the seats replaced, but if your head is off, a valve job and some hardened seats would not be a bad idea.
The lead was not used to lubricate the valves it was used to help the valves seat and seal. The soft bronze seats needed the help. You will not be in any dire emergency to have the seats replaced, but if your head is off, a valve job and some hardened seats would not be a bad idea.
