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Thread: Forged 5.3 Pistons?

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  1. 05-20-2009 09:26 PM #1
    Madd Maxx
    Madd Maxx is offline Senior Member
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    You won't have poor fuel distribution in a port-injected engine, similar to what was experienced in the old carburetor days. It is probably related to a cooling issue, which could make #7 more prone to detonation.
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  2. 05-20-2009 09:30 PM #2
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    Sleaper
    Sleaper is offline El Cochecama
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    I knew it typically ran hotter than the others and just figured it was a fueling issue.

    2004 Silverado Crew Cab, forged iron 5.7, STS w/MP turbo, 10+ psi, FMIC, Tial 50mm BOV, Vic Jr, Snow performance meth, MTI Stealth cam .220/.220 .581/.581 115lsa, Comp chromoly pushrods, Yank TT3000 stall, LS1 Efans, 160 tstat, Trucool 40k trans cooler, 60# injectors, Walbro fuel pump, Patriot springs, Built 4l65E w/billet input & output shafts, Eaton posi, SD tuned...all installed by Klein North Automotive
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