Man, that's an eye opener! We have a 55 Buick on which the heads have never been off. It doesn't get driven a lot but we've been faithfully adding lead sustitute all thru the years. Have never heard this before.
Thanks, Larry 68 Elky (now with hardened seats) ----- Original Message ----- From: 396guy <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Friday, August 30, 2002 3:14 PM Subject: RE: [Chevelle-List] leaded or unleaded fuel > I ran my (now sold) 74 Vette with unleaded for a year, I'm running my 67 > Elky on unleaded and I ran my 396 on unleaded for 14 years. I too have > heard that due to the heat/cool cycle you probably won't have any problems > with valve seats. However, when you rebuild the engine you should have > hardened exhaust seats installed. I rebuilt my 396 last winter and had this > done. > > As Dan said, check to see if someone has put a catalytic converter on the > exhaust. If that's the case, you HAVE to run unleaded or it'll burn it out > in no time. > > Dale McIntosh > ACES #1709/TC #92 Gold > 67 SS/67 Elky > http://www.dalesplace.com > http://www.team67.com > http://www.midwestchevelles.com > > > Henri, > > In my 65 I run unleaded fuel, and the motor has never been > > rebuilt. The lead > > was only added to lubricate the valve seats, because they were > > not hardened > > back then. I would tend to think that after 37 years of heat cycling the > > engine, the seats would pretty much be hardened. Most of the people I know > > with stock, ie., never rebuilt, engines in their old cars don't > > bother with > > the lead additive. How are the Netherlands this time of year? > > Dan McIntosh > > 65 Malibu > > > > > ----------------------------------------------------- > To Unsubscribe please visit www.chevelles.net/list.html > To start a new topic, send mail to: [EMAIL PROTECTED] ----------------------------------------------------- To Unsubscribe please visit www.chevelles.net/list.html To start a new topic, send mail to: [EMAIL PROTECTED]
