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Analyze this!

Discussion in 'XJ Technical Chat' started by nuckinfutz, Jun 2, 2009.

  1. nuckinfutz

    nuckinfutz New Member

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    Location:
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    What would the folk's here think about these plugs and what's going on in the engine? Idles a bit rough and the transition from 1500 and 3000 could use some help ,but after 3000+ rpm she hauls A@#. I've labeled them with the cylinder # on the sides.
     

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  2. schmauster920

    schmauster920 Member

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    as long as thats an idle reading 1 looks good, 2 could be closed 1\8-1\4, 3 could be closed 1\4 -1\2 and 4 should be loosened less than 1/8...

    Im guessing they are all set the same. The inner cylinders run warmer and require slightly less fuel. If you have pod filters it makes a bigger difference.. My stock pilots are maxed out with pods on my 650 and its a nice light tan.

    Obviously the throttle area you speak of is controlled with the pilots and easily adjustable so thats always nice.

    Just my opinions.. someone else will chime in
     

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