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Thread: new pistons

  1. 05-27-2009 09:24 PM #1
    FullsizeRST
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    new pistons

    a buddy of mine is putting in a new 5.3 after his other one leaned out too much and torched the pistons.

    (dealer ship is putting a new motor in, not used)

    his question is should he keep the stock pistons in it or get different ones? Who sells the pistons for the 5.3?

    He is worried that if he has some custom made they will be better paper weights than anything.

    Some of his mods are, magnacharger, larger J tube, 90mm throtle body, 8lbs of boost, full tigged exsaust, and he is putting in a mild cam. That is all i remember ...

    thanks
    Last edited by GMCwantsLS1; 05-28-2009 at 02:39 AM.
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  2. 05-27-2009 09:26 PM #2
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    Sleaper
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    There aren't any forged pistons made for the stock bore of the 5.3 yet. Wiseco is going to make them but they won't be out for another 2 months. You could have some custom made but by the time you get them, the ones from Wiseco will be available. I'm going through the same thing right now. It sucks.

    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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  3. 05-27-2009 09:31 PM #3
    FullsizeRST
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    thanks man ill let em know
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  4. 05-27-2009 09:34 PM #4
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    He can bore it to the same specs as the 5.7 and get forged internals for that or swap to a 6.0 and get forged. Basically, the 4.8/5.3 is the red headed step child!

    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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  5. 05-27-2009 09:38 PM #5
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    GMCvho
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    just fyi its New, not Knew!
    2004 Gmc VHO (LQ9), AEM cai, perma cool e-fans, aero turbine 3535,obx lt's,undedrive pulley w/overdrive alt pulley, lingenfelter 160 t-stat, zippy tune, taylor 10.4mm wires, tb bypass, Transgo HD-2 c, corvette servos, sonnax accumulator piston's,2600 stall,30,000 trans cooler lowered 1.5"/2", boss 313 22's on 285/45's, rollpan,shaved tailgate w/ss spoiler, painted interior, 2 solo l7 12's,custom fiberglass box,Pioneer F-900 Navi,SSS gauges,billet shiter and pedals,hid's (low's and fogs).
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  6. 05-27-2009 10:27 PM #6
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    GasGuzzler
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    Say a prayer for the poor soul forced to get screwed into putting an engine in for warranty time in a non-warranty situation. Everyone wins except for the guy that does the work.
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  7. 05-27-2009 10:29 PM #7
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    nothing like discounted warranty work...yay
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  8. 05-27-2009 10:38 PM #8
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    Yay for the guy getting 68% of customer pay $$$ to help a customer and the ego of the management and the rep of the dealer....YAY!!!
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  9. 05-27-2009 10:46 PM #9
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    Don't think they make canoe 5.3L pistons anymore
    30' Ford Model A Tudor Sedan - Custom chassis - Big bore LS2 - twin B76's - Glide - 9" w/ 3.07 gears - 30" DR tire - 2k lbs cruiser
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  10. 05-28-2009 07:35 AM #10
    FullsizeRST
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    thanks for the EDIT ..but i think everyone got my point new knew.....

    i guess i have to spellcheck so everyone can understand what im saying

    but thanks for clearing that up for me ..

    sorry im not perfect in spelling
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