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Re: spark plug question



In a message dated 99-03-10 10:43:19 EST, William.Elliott@mail.mei.com writes:

<< Replaced the plugs with another set of W7DTC's: miss goes away.
 Now it's 7000 miles later and my miss/surging has returned.  Again the
 plugs look great.
 Is 7000-8000 miles the life expectancy of these plugs? Gee, I though my old
 small block Chevy's were bad!  Do NGK's last longer?  Anything else I
 should consider? >>

Bill, have you tried running a colder spark plug? I usually run a five series
plug in the ur-q's with good luck. That seven series seems too hot for a turbo
motor. 

Regards,
Chris Semple
'83 ur-q w/blown motor, so what do I know....