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  • #31
    Originally posted by homealone View Post
    We're tossing around the idea right now and I am still learning this stuff but I figure I need a late model vortec 5.3 as complete as possible. Wiring, computer, accessories, etc along with a 4l60e transmission.
    I will need more info than late model. Let me know what year and model you want, give me a credit card # and an address, and we can make it happen.
    "If I asked people what they wanted, they would have said faster horses." - Henry Ford

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    • #32
      Originally posted by Baron View Post
      Welcome to the party. Feel free to knee me in the balls, everyone else is.
      It's out of respect.

      LQ9 = 02-06 Escalade, they are considerably more expensive than the LQ4s. If you want really awesome buy an LQ4 and spend the difference on a set of L92/L76/LS3 heads. With a mild cam you can get 450+rwhp naturally aspirated very easily. They flow 325+cfm stock, you won't miss the half point of compression either.

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      • #33
        Wharz 6.2? I need one!

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        • #34
          Originally posted by Baron View Post
          I will need more info than late model. Let me know what year and model you want, give me a credit card # and an address, and we can make it happen.
          I'll be in touch after we run the numbers. thanks

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          • #35
            I was looking earlier for a mock up engine and found this list. I don't claim it to be 100% right, but it should help in finding a correct engine/year to choose from.
            Originally posted by some s10 forum
            GENERATION III - I recommend sticking with the Gen III engines due to the large production#s and the resulting cost effectiveness.
            LS1 - 5.7 (346 CI) - Between 305-350 hp and 335-375 ft·lb
            1997-2004 Chevrolet Corvette C5, excluding Z06
            1998-2002 Chevrolet Camaro Z28, SS
            1998-2002 Pontiac Firebird Formula, Trans Am, Trans Am WS6
            2004 Pontiac GTO
            *97-98 Had Perimeter Bolt Valve Covers
            LS6 - 5.7 (346 CI) - 385(01 Vette only)/405 hp and 385(01 only)/400 ft-lbs.
            2001-2004 Chevrolet Corvette C5 Z06
            2004-2005 Cadillac CTS V-Series
            *Basically the same as an LS1 but with better heads (243 head castings) a more aggressive cam, and LS6 intake manifold make up the power differences.
            TRUCK ENGINES - STILL GENERATION III - 285-295 hp and 325-335 ft·lb
            The truck engines are very much like the LS1/LS6 and are still classified as a Gen III engine. They are mainly iron with the exception of the LM4/L33, and as a result weigh approximately 80+ lbs. more. All the parts from the LS series can bolt on to these engines and is recommended for any swap as the accessories and intake manifold usually fit better from an F-body. The 4.8 and 5.3 can both be punched out to a 5.7 (346 Cubic Inches) simply with a bigger bore (the 5.3) or a bigger bore and the 5.3 crank (in the 4.8's case).
            4.8 - LR4
            5.3 - LM4, LM7, L33, L59
            6.0 - LQ4, LQ9
            LR4 - 270-295 hp and 285-305 ft·lb
            *Iron Block
            2003-present Chevrolet Express 2500-3500/GMC Savana 2500-3500
            1999-2007 Chevrolet Silverado/GMC Sierra
            1999-2006 Chevrolet Tahoe/GMC Yukon
            LM7 - 285-295 hp 325-335 ft·lb
            *Most common 3rd gen LSx engine - Iron Block
            2002-2005 Cadillac Escalade 2WD
            2002-2006 Chevrolet Avalanche
            2003-2007 Chevrolet Express/GMC Savana
            1999-2007 Chevrolet Silverado 1500
            1999-2007 GMC Sierra 1500
            1999-2006 Chevrolet Suburban/GMC Yukon XL
            1999-2006 Chevrolet Tahoe/GMC Yukon
            LM4 - Identical to the LM7 in power/torque
            *Aluminum Block, limited production
            2004 Chevrolet TrailBlazer EXT
            2004 GMC Envoy XL
            2004 Chevrolet SSR
            L33 - 310 hp - High Output version of the LM7
            *Aluminum Block
            2005-2007 Chevrolet Silverado 1500 4WD
            2005-2007 GMC Sierra 1500 4WD
            L59 - Flex Fuel version of the LM7 (power/torque same)
            2002-2007 Chevrolet Silverado 1500
            2002-2006 Chevrolet Tahoe/GMC Yukon
            2002-2006 Chevrolet Suburban/GMC Yukon XL
            2002-2007 GMC Sierra 1500
            LQ4 - 6.0L (364 CI) - 300-325 hp / 360-370 ft·lb
            *Iron Block
            Chevrolet Express/GMC Savana
            Chevrolet Silverado 2500 Pickup, 3500 Pickup, Crew Cab, and Chassis Cab/GMC Sierra 2500 HD Pickup and Crew Cab, C3, Denali, and 3500 Pickup and Chassis Cab, 1500HD Crew Cab
            Chevrolet Suburban/GMC Yukon XL Denali
            Hummer H2 SUT
            GMC Yukon Denali
            LQ9 - 6.0L (364 CI) - 345hp / 380 ft·lb
            *Iron Block
            2002-2006 Cadillac Escalade
            2002-2006 Cadillac Escalade EXT
            2003-2006 Cadillac Escalade ESV
            2003-2007 Chevrolet Silverado SS
            2004-2005 Chevrolet Silverado and GMC Sierra Vortec HO Edition Only 2006-2007 Chevrolet Silverado and GMC Sierra VortecMAX Option
            ------------------------------------------------------------------------------------
            GENERATION IV - Generation IV engines are very similar to Gen III and some parts can be interchanged. The Gen IV was produced with displacement on demand and variable valve timing in mind. Not all have these features, but they are available.
            L76 - 360hp /385 ft-lbs. 6.0L (364 Cubic Inches)
            2008 Pontiac G8
            L98 - 362hp /391 ft-lbs. 6.0L (364 Cubic Inches)
            2007-2008 Chevrolet Lumina SS
            2007-2008 Chevrolet Caprice SS
            L99 - 400hp /395 ft-lbs. 6.0L (364 Cubic Inches)
            *Derived from the LS3 and with Displacement on Demand
            2010 Chevrolet Camaro
            LS2 - 6.0L (364 CI) - 400 hp/400 ft.-lbs.
            2006-2007 Cadillac CTS-V
            2005-2007 Chevrolet Corvette
            2005-2006 Chevrolet SSR
            2006-2008 Chevrolet TrailBlazer SS
            2004-2007 Holden Special Vehicles (all V8 models)
            2005-2006 Pontiac GTO
            2008-2010? Saab 9-7X Aero
            2005-2006 Vauxhall Monaro VXR
            LS3 - 6.2L (376 CI) - 430 hp / 424 ft.-lbs.
            April 2008-present Holden Special Vehicles (all V8 models)
            2008-present Chevrolet Corvette
            2009 Pontiac G8 GXP
            2010 Chevrolet Camaro
            LS4 - 5.3L (325 CI) - 303 hp / 323 ft.-lbs.
            2006-2008 Chevrolet Impala SS
            2006-2007 Chevrolet Monte Carlo SS
            2005-2008 Pontiac Grand Prix GXP
            2008 Buick LaCrosse Super
            *Aluminum FWD Block w/ LS6 Heads
            LS7 - 7.0L (427 CI) - 505 hp / 470 ft.-lbs.
            2006-2008 Chevrolet Corvette Z06
            2008 HSV W427
            LS9 - 6.2L (376 CI) Supercharged - 638 hp / 604 ft.-lbs.
            *Based on the LS3
            2009 Chevrolet Corvette ZR1

            TRUCK ENGINES - GENERATION IV
            LY6 - 6.0 (364 CI) - Same as LQ4, but Gen IV.
            *Variable Valve Timing
            2007-present Chevrolet Silverado HD
            2007-present GMC Sierra HD
            2007-present Chevrolet Suburban 3/4 ton
            2007-present GMC Yukon XL 3/4 ton
            L76 - 6.0 (364 CI) - 367hp / 375 ft.-lbs.
            *Basically the Gen IV replacement for the LQ9
            *Variable Cam Phasing & Active Fuel Management
            2007-present Chevrolet Suburban
            2007-present Chevrolet Avalanche
            2007-present Chevrolet Silverado
            2007-present GMC Sierra
            2007-present GMC Yukon XL
            LFA - 6.0 (364 CI) - 332 hp / 367 ft.-lbs.
            *Active Fuel Management
            *Late-intake valve timing system
            *Higher 10.8:1 compression ratio
            2008-present Chevrolet Tahoe Hybrid
            2008-present GMC Yukon Hybrid
            2009-present Cadillac Escalade Hybrid
            2009-present Chevrolet Silverado Hybrid
            2009-present GMC Sierra Hybrid
            L92 - 6.2L (376 CI) - 380/403 hp and 403/415 ft.-lbs.
            2007+ Cadillac Escalade
            2008+ Chevrolet Tahoe
            2007+ GMC Sierra Denali
            2009+ Silverado 1500
            2008+ Hummer H2
            2007+ GMC Yukon Denali/Denali XL
            ----------------------------------------------------------------------
            Quick summary of the major engines and their compression ratios and GM part #s:
            LS1...346c.i. 5.7liter 10.19:1 25534322
            LS6...346c.i. 5.7liter 10.46:1 12578104/12562190
            LR4...293c.i. 4.8liter 9.47:1
            LM4...325c.i 5.3liter 9.49:1
            LM7...325c.i 5.3liter 9.49:1 12562201
            L59...325c.i. 9.49:1
            LQ4...364c.i. 6.0liter 9.41:1 12575147/12575148
            LQ9...364c.i. 6.0liter 10.08:1 12499467
            .

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