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RE: Finally fixed it!
>>>>> "glen" == glen <firstname.lastname@example.org> writes:
glen> Well, I pulled out the NGK plugs this weekend and put in
glen> brand new Bosch F5DPOR plugs and my 200q can finally hit
glen> full boost without bucking and stuttering. Thanks to
glen> AudiDudi for pointing me in that direction.=20
glen> John Mallick '91 200q
glen> Cool. I get a sort-of 'roughness' or even almost a misfire
glen> when I run = over 15-17 PSI in the ur-q. It is not
glen> detonation or lean-out. Could = these F5PDOR plug$ be the
glen> solution to running ever higher levels of = boost?
They're not "magic" plugs by any means. I assume that the electrodes
are platinum (substantial pieces, not whiskers), and the gap is to the
side of the center electrode. Gap is about 0.028". The old NGK's I
took out had been worn to about 0.048"; that was probably the cause of