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Thread: 98 411 swap now tranny acting up!

  1. #21
    Lifetime Member
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    Aug 2010
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    A WBO is a necessary and invaluable piece of equipment if you intend on tuning the truck yourself, and tuning it well. In the interim, you can check for rich / lean condition the way a lot of us did for decades – pull the spark plugs and have a look !


    Regards,
    Taz

  2. #22
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    Join Date
    Mar 2009
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    AH the lost art of reading a spark plug. Good thing I'm a two stroke guy. I changed the MAF settings, the truck did a cold start a lot better now. The l31 tune doesn't have the HZ range that the x van tune does so I smoothed the chart out. I must say that my dads d max is a little easier to tune then a gasser IMO! Like I said thanks for all your help!
    98 silverado 4wd excb 5.7l, zz4 cam,roller rockers, shorty headers, 0411 swap, Flash Scan V1 commercial

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