Sometimes you can "feel" an exhaust gas leak by running your fingers around the donut seal area or gasket area. You can feel the warm air blowing out. Make sure engine is cold and be careful of fan and belts if you try this.
----- Original Message ----- From: "Dave Studly" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Friday, March 21, 2003 9:47 AM Subject: RE: [Chevelle-List] SBC lifter question > Brad, I believe an exhaust leak should get 'more noticeable' with load on > the engine. A lifter tick will tend to remain a little more constant in the > noise it puts out, although possibly affected by oil pressure. If it's an > automatic, try placing it in gear and applying the gas a little while > holding the brakes. > > I can't answer your spark plug question directly, sorry. However, if it was > an intake lifter that was failing, I'm not sure how much of a difference > you'd see on the plug, especially in a higher mileage engine that is more > likely to be affected by oil in the chamber than a difference of mixture. > > -Dave > > > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] Behalf Of [EMAIL PROTECTED] > Sent: Friday, March 21, 2003 9:30 AM > To: [EMAIL PROTECTED] > Subject: [Chevelle-List] SBC lifter question > > > I've heard that a collapsed lifter and an exhaust leak can sound alike, > so will a collapsed lifter cause a difference in spark plug appearance? > I have a high-mileage SBC 350 that's making that fft-fft-fft noise but the > plugs all look pretty much the same, so is the culprit more likely an > exhaust leak? Thanks! > > Brad > > > ----------------------------------------------------- > 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] ----------------------------------------------------- To Unsubscribe please visit www.chevelles.net/list.html To start a new topic, send mail to: [EMAIL PROTECTED]
