Thread: 2005, 3.8 engine

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  1. #1 2005, 3.8 engine 
    SE Level Member sweetgtx98's Avatar
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    just curious if i can put a 05 3.8 from a buick lacross or chevy 3.8 in my 98 gtx, im going turbo and want a good block, and is the 05 considered the l26 block? just for ordering options, series 2 or 3??
    12.75 @ 108mph 1/4
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  2. #2 Re: 2005, 3.8 engine 
    GXP Level Member Tuner-Extraordinaire's Avatar
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    forget l26.

    weak rods.
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  3. #3 Re: 2005, 3.8 engine 
    GrandPrix Junkie NegativeOne13's Avatar
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    '05 is either L26 N/A higher compression, or L32 S/C lower compression.

    And smile it's Blacktooth Grin!
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  4. #4 Re: 2005, 3.8 engine 
    GTP Level Member BlackGT97's Avatar
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    Quote Originally Posted by Nixon View Post
    forget l26.

    weak rods.
    can he tear down the block and replace the rods and or whole piston/rods if needed?
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  5. #5 Re: 2005, 3.8 engine 
    SE Level Member sweetgtx98's Avatar
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    i have the option for a l36, 98 buick 3.8 42,000 miles,or go with the 05? oor should i just stay l67/l32?, remember im going to use a z3 turbo kit with it..
    12.75 @ 108mph 1/4
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  6. #6 Re: 2005, 3.8 engine 
    LaBarge Supercharged sseilmnop's Avatar
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    All (supercharged and NA) 3.8 blocks in 05 us powdered metal rods. This is considered an upgrade. They are not weak.
    Adapters, Phenolic Intercoolers, Supercharger Parts & TVS2300
    http://stores.ebay.com/QualitySuperchargers
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  7. #7 Re: 2005, 3.8 engine 
    GrandPrix Junkie machinegunsquid's Avatar
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    Stick with either an L67, or L32 (supercharged) if you arent going to mess with the bottom end (smart people dont)

    They have lower compression which = better for turbo build!

    Also, the L26 have weaker pistons, and much weaker wrist-pins.

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  8. #8 Re: 2005, 3.8 engine 
    SE Level Member sweetgtx98's Avatar
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    what cars do the l32 come in? and what years ? looking for engines rite now, i dont want a a sc housing sitting on top of motor, so can i use a l26 intake setup? on the l67 or l32??
    12.75 @ 108mph 1/4
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  9. #9 Re: 2005, 3.8 engine 
    GXP Level Member boostedcompg's Avatar
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    The l32 came in gtps 04+ only. And yes you use the l26 intake mani for the turbo to ditch the sc housing. Good news being you can sell the sc for a decent chunk of change
    04 comp G, front/rear towerbraces, pacesetters, ported sc, LIM, 3.3 pulley, 1.9 mod rockers, Ls1 springs and retainers, custom dyno tune, 180 tstat, shortned dog bones, full poly mounts, zzp shift kit, custom fwi, 28inch cherry bomb, flowmaster 40's. 290whp 380wtq before the button. coldfusion n2o, 60 shot. I haz corvette brakezand gxp cluster! smgpfc028
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  10. #10 Re: 2005, 3.8 engine 
    LaBarge Supercharged sseilmnop's Avatar
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    Quote Originally Posted by machinegunsquid View Post
    Also, the L26 have weaker pistons, and much weaker wrist-pins.
    What's wrong with the pistons and wrist pins? I never heard of any problems?
    Last edited by sseilmnop; 11-29-2011 at 12:12 AM.
    Adapters, Phenolic Intercoolers, Supercharger Parts & TVS2300
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