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Thread: 5.3/Magnacharger @10lbs-Fuel System

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  1. 11-12-2009 05:16 AM #1
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    SUPERBURBAN
    SUPERBURBAN is offline Junior Member
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    5.3/Magnacharger @10lbs-Fuel System

    I'm finally addressing my fuel upgrades and would love some suggestions. I've been told #42 Injectors and both a Walbro or a BoostaPump. The motor is running LEEEAAAN, very lean. The tuner just improvised for the fuel starvation, and at the time I did not know any better. I wanted to confirm that I indeed need the Walbro, knowing damn well I need the injectors. Also, will the 42's be enough or do I go higher? Are there any setbacks to going with a larger than necessary injector? Any help is greatly appreciated, I'm tired of wasting money. After installation by either G Force here in Houston or Nelson if I have time to make it to San Antonio I'd do a dyno tune.

    Thanks
    Last edited by SUPERBURBAN; 11-12-2009 at 05:21 AM. Reason: sig change
    2008 K1500 Suburban 5.3L: 6" Rancho Lift, XD Rims, 315/70/R18 BFG A/T...awaiting engine mods

    2003 K1500 Suburban 5.3L: Magnacharger RADIX @ 10lbs, FAST 50lb Injectors, Dynatech Longtubes w/ Hi Flo Cats, Custom Pipes w/ Flowmaster 44's, Eaton Rear @ 3.73, Century Racing 4L80E Trans w/ Circle D 2800 Stall, Custom Driveshafts, 33" Hankook ATM PRO, G-Force Dyno Tune....
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