Re: Valve Seats?
And seat problems from unleaded seem to be mostly a myth. This was a major panic in about 1975, and though no one seemed to have real issues the panic survived.
The tests that showed damage involved industrial engines producing full power for long periods of time...
In the real world, how often can you hold your car at wide open throttle for more than, say, 15 or 20 seconds without becoming dead or arrested? I think your car would have to be embarrassingly slow.
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