In a message dated 3/30/2008 2:31:27 P.M. Eastern Standard Time, [EMAIL PROTECTED] writes:
stick to OEM NGK stuff and change it once a year for piece of mind... Sonny Tu <[EMAIL PROTECTED]> wrote: Up until August of last year, the car was frequently street driven. I think the last time I changed the plugs & wires was a year before that. The car is now used only for DE's & driven (hard) once a month. Thus far, it's been to the track twice this year for 2-day track weekends. Typically, I run through a tank of gas (100 octane) a day. Car is making a good 220rwhp at 12psi of boost. I don't ever see any knock & the fuel mixture is a little on the rich side but not terribly so (A/F = 12-14 depending on where in the MAP). I haven't noticed any misfires or stumbling but don't want to wait until that happens to change the spark plugs &/or ignition wires. What's the conventional wisdom on when to change them for my application (only DE's)? Regards, Sonny With boost, I've had no difficulty running NGK extended reach plugs, those FM sells (ZFR7F11 or something like that...) **************Create a Home Theater Like the Pros. Watch the video on AOL Home. (http://home.aol.com/diy/home-improvement-eric-stromer?video=15&ncid=aolhom00030000000001)
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