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1970 to 72 truck motors, do they require a lead additive?

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08-01-2009, 09:17 AM	#1
57NAPCO F’B’D guy Join Date: Feb 2004 Location: Texas/Maine Posts: 2,229	1970 to 72 truck motors, do they require a lead additive? I am looking at a stock 1971 (350 motor) truck and I was wondering if the valve seats will hold up to today's fuel or do you have add lead? I am guessing if they have a rebuilt motor that is no longer an issue? Thanks for you help!

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