Sean, My max wedge engine doesn't have hardened seats and I use CD-2 super concentrated lead substitute. It's intended for off road vehicles. Because it's concentrated, you add a small amount each time you fill up the tank. A bottle lasts a long time....Brian Sean B wrote: > > I apologize, because I know this has come up before, but do I need > hardened exhaust seats installed in my heads for a daily driver engine > that will never see the track? > > Sean '64 Belvedere Davenport, Iowa "The difference between ordinary and extraordinary is that little extra." ---- Please address private mail -- mail of interest to only one person -- directly to that person. I.e., send parts/car transactions and negotiations as well as other personal messages only to the intended recipient, not to the Clubhouse public address. This practice will protect your privacy, reduce the total volume of mail and fine tune the content signal to Mopar topic. Thanks! '62 to '65 Mopar Clubhouse Discussion Guidelines: http://www.1962to1965mopar.ornocar.org/mletiq.html.