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Spark plug issue? >>

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Old 10-29-2005, 12:03 PM
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Default Spark plug issue? >>
<center><img src="http://pictureposter.audiworld.com/45715/rscn0255.jpg"></center><p>The car is at full boost again....and w/o any required work! I shut it down at the ferocity of a Yugo. Next time key is turned she's hammering!! Go figure.
Getting misfires again....brrrppp. Actually threw 3 randomn mis codes and cell blinked a few times...acknowledging the liquid fuel crossing my emissions system.
Pulled this Bosch plug. In ~ 3 months and looks horrible. Actually was perhaps 5ftlb too loose. Worn and dry! Issues with Bosch plugs?
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Old 10-29-2005, 12:13 PM
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Is there a Denso Iridium that meets your needs?
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Old 10-29-2005, 12:44 PM
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I'm going to cross reference some temp ranges
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Old 10-29-2005, 01:00 PM
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Denso IK27 carries the same heat range as my F2CS Bosch
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Old 10-29-2005, 01:24 PM
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Default That's a pretty cool plug.....
IK22's (1 step colder) are the standard for a normally modded 225...

Maybe that's the problem? Plugs too cold?
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Old 10-29-2005, 02:36 PM
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Default I don't think he is a normally modded 225 ;)
this is the dude that had trouble finding a boost gauge that would read high enough
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Old 10-29-2005, 02:38 PM
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Default I know that but....>
Who knows if Hans Knows all??
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Old 10-29-2005, 02:46 PM
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Default Run either the Denso or the NGK
Denso Iridium IK20 (stock) NGK BKR7E which is one range colder than stock.

For every additional 50HP over stock, a general rule is:
--1 heat range colder
--gap shrinks by .004
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Old 10-29-2005, 03:53 PM
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Default too much 104 race gas, eh? burning those plugs up...the color looks
pretty good, i think that your engine with race gas just burns them up.
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Old 10-29-2005, 05:07 PM
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The erroded center says....misfires!!!
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