Thread: Running lean

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  1. #1 Running lean 
    SE Level Member camarofan1974's Avatar
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    i have a 98 gtp mods:3.4, pcm, cai, downpipe,cat resonator and u-bend delete, 3in exhaust into chambered mufflers, ported exhaust manifolds,ported tb lim and s/c, msd coil packs wires, 104 plugs , t-stat, a/c delete, and poly motor mounts. ive checked for vaccume leaks- none ,maf-fine...could i be just flowin too much air and would injectors help? if so what size?
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  2. #2 Re: Running lean in one bank? 
    The Blue One blueguy's Avatar
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    No...you don't need injectors, you need a tune. When you ported your throttle body it skewed your MAF readings bad.
    Sold WBody's: '03 Blue GTP/'98 Green GTP/'98 Silver GT/'05 GXP
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  3. #3 Re: Running lean in one bank? 
    Turbo is the way to go. BillBoost37's Avatar
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    P0171 ... please search on that code with my name.
    I drink..so consider that when reading my posts.

    2010 Audi A6 Dual IC's
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  4. #4 Re: Running lean in one bank? 
    youtu.be/xhrBDcQq2DM FoSHO99's Avatar
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    Quote Originally Posted by BillBoost37 View Post
    P0171 ... please search on that code with my name.
    Let me google that for you
    2001 GTP PT61 Turbo, E85, Stock Motor
    2011 Chevy Cruze MT6 1.4L Turbo
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  5. #5 Re: Running lean 
    Turbo is the way to go. BillBoost37's Avatar
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    Ok..pm me how you did that...that was cool.
    I drink..so consider that when reading my posts.

    2010 Audi A6 Dual IC's
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  6. #6 Re: Running lean 
    GTP Level Member 01gpgt01's Avatar
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    vac leak, keep looking. No way in hell a ported TBs gonna skew that much.
    2001 GT. A few here and there mods http://www.streetfire.net/video/2001...ynp_208097.htm

    2009 Hummer H3 Solar flare premium
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  7. #7 Re: Running lean in one bank? 
    SE Level Member camarofan1974's Avatar
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    Quote Originally Posted by bluegtp91 View Post
    No...you don't need injectors, you need a tune. When you ported your throttle body it skewed your MAF readings bad.
    i know someone with a tuner, but im afraid of screwin up the tune from 3800perf...computers arrent my strong suit
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