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**BigBird05** · 09-16-2021, 08:47 AM

How old are those heads? They don't look like they have the hardened valve seats in them. The valve job won't last long with todays gas if the seats aren't hardened.

09-16-2021, 08:47 AM	#4
BigBird05 Senior Member Join Date: Aug 2019 Location: Cheraw Posts: 1,305	Re: Question about Valve Seat Machining How old are those heads? They don't look like they have the hardened valve seats in them. The valve job won't last long with todays gas if the seats aren't hardened.