Reply to "Fuel type"

maraudermikeMember

quote:
Originally posted by david 3449:
Mike , if the heads are off and off to rebuild there is a option. Up grade the valves and harden seats installed. Then lead free is a moot point.
I was lucky the care taker before me did that.
I worry about the stock valves any way with the multi groves on the stem. Driven on the street and never over rev, they may be good.
How is your engine on octane requirements? Mid grade or premium to avoid knock?

David, that was my original plans however the casting date on these heads is June of 1969, go figure. These seats are not replaceable, can only clean them up and use additive. Appreciate the thought.

6/15/166:03 PM

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