Posted by Kaegi on Saturday, January 20, 2007 at 13:39:15 :
In Reply to: Re: Lead additives - Jeff Chester, thanks you!! posted by 68427vette on Saturday, January 20, 2007 at 12:23:03 :
Dodge started to run hardened valve seats around 1933 or 34 from what I have read. I haven't come across any difinitive answer to that question but I think I am pretty close.
Follow Ups: