torque specs for 2003 chevy silverado

/ LS7 89 inch lbs. sealed. / LS3/LS7 124 inch lbs. Leaf Spring Mounting Nut Torque Spec. The Chevy 3500Lug nut torque is 140 ft-lbs. Crankshaft Bearing Cap Studs (Outer Studs-Final Pass in Sequence) LS1/LS6 +53 degrees. Automotive Engine Torque Specs Torque Specifications for GM 4.3L-262ci-V6. Oil Pan M8 Bolts (Oil Pan-to-Engine Block and Oil Pan-to-Front Cover) LS1/LS2/LS6/LS7 18 ft. lbs. Feel free to start from the beggining and work your way I have been googling like crazy, with nothing so far. Here you can find information regarding the assembly of the Chevy Silverado 1500 front end. Reference the model year in the table to see what lug nut torque and size is applicable for your car. Valve Rocker Arm Bolts LS1/LS2/LS3/LS6/LS7 22 ft. lbs. Cylinder Head to Engine Block Retaining Bolt (M11-First Pass in sequence) LS3/LS2/LS7/2nd Design LS1/LS6 22 ft. lbs. (15 Nm). 0. All Rights Reserved. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. However, the general rebuilding process is the same. Read More . lbs. Camshaft Sprocket Bolts LS1/LS6 26 ft. lbs. / LS7 89 inch lbs. I'm just trying to confirm the torque spec for the two longer bolts (6mm, 10.9, ~8in long) located at the bell-housing end of the pan; Haynes appears to say 18 ft-lbs, but its not really clear and it conflicts with what was posted earlier. The new specification calls for the second pass value to be increased from 75 to 85 degrees, following this . / LS1/LS3/LS6/LS7 106 inch lbs. / LS2 18 ft. lbs. Features; How it works; FAQ; Projects; Sign in or Sign up. Here is a list of lug nut torque specs and sizes for a Chevy Silverado. Exhaust Manifold Bolts (First Pass) LS1/LS2/LS3/LS6/LS7 11 ft. lbs. I need the torque specs on this guy. gets tightened down to 37 ft-lbs. 1985-1988 151/205-ft/lbs/Nm. Along the way correct procedures and torque specs Jeep CJ-Scrambler 1971-86 Wiring Diagrams Repair Guide. 330K+ miles, 48-52 MPG. Valve Lifter Guide Bolts LS2 89 inch lbs. with the repair procedures we also include the corresponding bolt torque specs for each fastener involved. Passenger Doors 4. It is highly recommended to take the block and disassembled heads (remove the valves, springs, and components) to a machine shop for inspection and to perform any necessary machine work required for a proper rebuild. Cylinder head bolts torque and sequence for a 2015 Chevrolet Silverado with a GEN V L83 engine, please remember this is a new generation V read more. CHASSIS Ignition Coil-to-Bracket Bolts LS1/LS6 106 inch lbs. Not to exceed 130 Crankshaft Balancer Bolt (Step 1 Pass-to Ensure the Balancer is Completely Installed) LS7 111 ft. lbs. Intake Manifold Bolts (First Pass in Sequence start in middle crisscross out) LS1/LS2/LS3/LS6/LS7 44 inch lbs. tightening sequence, see below. If so, here are the torque specs: Tighten the sensor mounting bolt to 18 Nm (13 ft. Over 6,000 Automotive Torque Specs. Camshaft Retainer Bolts Hex Head 18 ft. lbs. Chevrolet offers a stronger 8.1 liter gasoline V8 engine which delivers 340 hp and 455 lb.ft of torque and is available for the . Note: Red Dots Are . Crankshaft Balancer Bolt (Step 4 Final Pass) LS7 +200 degrees. I need to retorque everything on my truck also, havent done it since I put the kit on. Crankshaft Balancer Bolt (Step 1 Pass-to Ensure the Balancer is Completely Installed) LS3 110 ft. lbs. Toyota Tacoma Lug Nut Torque Specs And Sizes (2005- 2019), Ford Mustang / Mustang GT Horsepower And Torque (2005 2022), Toyota Camry Engine Oil Type And Capacity (2007 2022), Acura MDX Engine Oil Type And Capacity (2008 2022), Ford F-150 Engine Oil Type And Capacity (2010 2021), Hyundai Sonata Engine Oil Type And Capacity (2011 2021). Coupons & Discounts; Free VIN Decoder; FixFinder . Crankshaft Balancer Bolt (Step 2 Pass-Install a NEW Bolt After Install Pass & Tighten as Described in the First and Final Passes) LS1/LS2/LS6 37 ft. lbs. IFCAR, Public domain, via Wikimedia Commons. Click the area you are looking for! This information includes pan, as well as filling in new fluid. Timing Chain Guide Bolts LS1/LS6 26 ft. lbs. _____________________________________________________________, Chevy / GMC Truck Rear Suspension Torque Specifications, ________________________________________________________, Rear Axle U-Bolts Oil Pan Closeout Cover Bolt (Right Side) LS1/LS6 106 inch lbs./ LS2/LS7 80 inch lbs. Manage Settings ft. lbs. Spindle Nut Torque Specifications Application Model Year Range Location Part Number Torque (ft.lbs/Nm) Corvette 2003 - 1997 Rear 512153 118/160 Impala 2001 - 2000 Front 513121 151/205 Impala 2003 - 2001 Front 513179 159/215 The consent submitted will only be used for data processing originating from this website. Engine Flywheel Bolts (Final Pass) LS1/LS6 74 ft. lbs. On the upper control arm the frame bolts need to be tightened up to 140 ft-lbs. They are lbs., P300 (42) and JF-9 - 130 ft. Depending on the year and RPO as well. 1989-1991 125/179-ft/lbs/Nm. Axle / Spindle Nut Torque Specification. involved. Chevrolet Sprint Axle Nut Torque. _____ 4wd Chevy / GMC Front End Lubrication Points. Since this is a rather higher torque spec I always add some loctite to ensure it stays tightened. The long and medium sized bolts go in the center of the cylinder head where the oil can access. 70 ft-lbs. 2003-2007 Chevrolet Silverado SS Pickup Trucks. - 9.5" FTS POS - 3" Body Lift- 37" Pro Comp Extreme A/T's on 18" Renegades - Summit Chambered Dumped - LPP Long Tubes- AEM Intake - Black Bear Tune -4.88 gears Front + Back + Detroit TruTrac- Front Cow Plow - FFR Fabrication Rear Bumper - FFR UCA's - And More To Come, 2008 Chevrolet Silverado - 4WD | Sierra, Silverado (VIN C/K) Service Manual | Suspension | Front Suspension | Specifications, 2006 Dodge 2500 QCLB 600CTD/G56/271/AAM9.25/AAM11.5. May 7, 2016. What is the torque sequence for a 2003 chevy silverado 1500 intake manifold. Oil Level Indicator Tube Bolt LS1/LS6 12 ft. lbs. Ron Z. An example of data being processed may be a unique identifier stored in a cookie. Also, locate correct and thorough rebuild instructions for your specific engine. / LS3 3/4 to 1 full turn after gasket touches mount flange. The Colorado/Canyon trucks in the North American market offer both manual and automatic transmissions.GM also offers either a rear-wheel drive (4x2) or four-wheel drive (4x4) drivetrain with standard, extended, and four-door crew-cab body styles. Front Shock Lower Bolt Torque Spec. * Plus additional torque to align cotter pin. ______________________________________________________________________, 4wd Chevy / GMC Front End Lubrication Points. Along Find out how to access AutoZone's Torque Specifications Repair Guide for Kia Sorento 2003-05. Engine Gas I6, 4.2L. If you remove the rear caliper banjo bolt be sure to torque it back up to 30 ft-lbs once done. Engine Service Lift Bracket M10 Bolts LS1/LS6 37 ft. lbs. Chevy Express Torque Specs . Front Shock Upper Nut Torque Spec. First step to 26 inch lbs. about: Twin-Turbo Vs. Single-Turbo: What's The Difference? outwards or skip ahead to your current position in the engine for what you may need. SAE Net Torque @ RPM 260 . Note: Vortec - Drive Gear Retaining Stud. Camshaft Sprocket to Camshaft Retainer Bolt (L98, LS3, L76, L77) Second Pass +50 degrees. Chevrolet / GMC Truck - Continued Astro, Safari AWD 03 - 96 147 200 Avalanche 4WD 03 - 02 155 210 Blazer, Yukon C/K 4WD 94 - 92 165 225 . In addition, prepare for the rebuild by obtaining parts such as a gasket kit, oil pump, bearings, and any replacement or upgraded aftermarket components. If you would like to change your settings or withdraw consent at any time, the link to do so is in our privacy policy accessible from our home page.. certain procedures that should be followed when performing the work as well as the torque specs for the bolts When tightening up the lower control arm fasteners be sure to set the wheel height to a level that it would be at during riding or when on the 59 ft-lbs. Oil Pump-to-Engine Block Bolts LS1/LS2/LS3/LS6/LS7 18 ft. lbs. A JEGS tech specialist can help you with further details if you can provide the 8th digit of the VIN number the vehicle the engine belongs to or the RPO code (example, LM7), as well as the year of the engine. The Chevy Silverado 1500 bolt pattern is listed aS6x139.7mm or 6x5.5 and the thread type is listed as m14x1.5. These step-by-step instructions and video detail a sway bar link replacement on your 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, and 2007 GMC Sierra 1500. Exhaust Manifold Heat Shield Bolts LS1/LS2/LS6 80 inch lbs./ LS3 89 inch lbs. We and our partners use cookies to Store and/or access information on a device. Stabilizer Frame Bracket Bolt Torque Spec. / LS3 80 inch lbs. Along the way correct procedures and torque specs EPA Class No Data. Check the style nut that is on the vehicle when staking the nut. Connecting Rod Bolts - (Final Pass) LS1/LS2/LS6 +85 degrees. Ignition Coil Bracket-to-Valve Rocker Arm Cover Bolts LS1//LS2/LS3/LS6/LS7 106 inch lbs. / LS2/LS3/LS7 89 inch lbs. Crankshaft Bearing Cap To Engine Block Retaining Bolt (10mm -First Pass in Sequence) LS3 15 ft. lbs. Chevy Truck - Front Suspension Bolt Torque (ft. I found out a 33 or 35 MM socket fits on the Pitman nut. Coolant Temperature Gauge Sensor LS1/LS2/LS3/LS6/LS7 15 ft. lbs. Gmc Torque Specs gmc v6 engine wikipedia, how to fix cars amp trucks torque specs 2006 for a gmc, gmc yukon lug nut torque specs and lug nut sizes 2003, torque specifications archives autozone, gmc syclone 284 hp specs amp performance, will someone please provide torque specs chevy and gmc, 2004 gmc sierra 1500 specifications details and data, Throttle Body Bolts LS1/LS6 106 inch lbs. 2003: 140 lbf.ft (190 N.m) M14 x 1.5, 22mm / 7/8 in (socket) 2004: 140 lbf.ft (190 N.m) M14 x 1.5, 22mm / 7/8 in (socket) 2005: Most models come with the 2.8 L (171 cu in) LK5 I4 engine as standard, but a more powerful 3.5 I5 comes with the Z71 package on four-door versions . 148 ft-lbs. The oil pump assembly should be tightened down to the engine block using 18 ft-lbs. The tables after it contain all torque spec values I could find. ft. lbs. Welcome to the JEGS High Performance Tech Articles Page. mechanic. Water Inlet Housing Bolts LS1/LS2/LS6/LS7 11 ft. lbs. The following list identifies which LS engines were installed in GM / Chevy cars, trucks, and SUVs, as well as VIN codes, LS engine horsepower & torque ratings, specs, and additional info: LS1 / 5.7 Liter VIN G, 1997-2000 345 HP / 350 TQ, 2001-2004 350 HP / 365 TQ, Aluminum Block / Heads (Cathedral Port) , 3.898 Bore 3.622 Stroke, -1998-2002 Pontiac Firebird Formula, Trans Am, LS6 / 5.7 Liter VIN S, 2001 385 HP / 385 TQ, 2002-2005 405 HP / 400 TQ, Aluminum Block / Heads (Cathedral Port) , 3.898 Bore 3.622 Stroke, LR4 / 4.8 Liter VIN V, 1999 - 255 HP / 285 TQ, 2000-2007 Between 270285 HP / 285295 TQ, Cast Iron Block, Aluminum Heads (Cathedral Port), 3.78 Bore 3.27 Stroke, -1999-2006 Chevrolet Silverado / GMC Sierra 1500 Pickup Trucks, -2000-2006 Chevrolet Tahoe / GMC Yukon Full-Size SUVs, -2003-2006 Chevrolet Express / GMC Savana Vans, -2007 Classic Chevrolet Silverado / GMC Sierra 1500 Pickup Trucks, LM7 / 5.3 Liter VIN T, 1999 - 270 HP / 315 TQ, 2000-2003 - 285 HP / 325 TQ, 2004-2007 - 295 HP / 335 TQ, Cast-Iron Block/Aluminum Heads (Cathedral Port), 3.78 Bore 3.62 Stroke, 19992007 Chevrolet Silverado / GMC Sierra 1500 Pickup Trucks, 20002006 Chevrolet Suburban / Tahoe & GMC Yukon / Yukon XL 1500 SUVs, 20022006 Chevrolet Avalanche Pickup Trucks, 20032007 Chevrolet Express/GMC Savana Vans, L59 / 5.3 Liter VIN Z, Flex-Fuel, 2002-2003 = 285 HP / 320 TQ, 2004-2007 = 295 HP / 335 TQ, Cast-Iron Block/Aluminum Heads (Cathedral Port), 3.78 Bore 3.62 Stroke, 20022006 Chevrolet Tahoe/GMC Yukon & 20022006 Chevrolet Suburban/GMC Yukon XL 1500 SUVs, 20022007 Chevrolet Silverado 1500 / GMC Sierra 1500 & Chevrolet Avalanche Z71 Pickup Trucks, LM4 / 5.3 Liter VIN P, 2003-2005 - 290 HP / 325 TQ, Aluminum Block / Heads (Cathedral Port), 3.78 Bore 3.62 Stroke, 2003-2004 Chevrolet SSR / GMC Envoy XL Pickup Trucks & SUVs, L33 / 5.3 Liter VIN B, 2005-2007 - 310 HP/335 TQ, Aluminum Block / Heads (Cathedral Port), 3.78 Bore 3.62 Stroke, 20052007 Chevrolet Silverado / GMC Sierra 1500 4WD Extended Cab Pickup Trucks, LQ4 / 6.0 Liter VIN U, 1999-2000 300-325 HP/360-370 TQ, Cast-Iron Block/Heads (Cathedral Port), 4.00 Bore 3.62 Stroke, 1999-2000 Chevrolet Express/GMC Savana Vans, 1999-2000 Chevrolet Suburban/GMC Yukon XL Denali SUVs, 1999-2000 Chevrolet Silverado / GMC Sierra 2500 HD, 3500 Crew Cab & Chassis Cab and 1500HD Crew Cab Pickup Trucks, LQ9 / 6.0 Liter VIN N, 2002-2007 345 HP / 380 TQ, Cast-Iron Block / Aluminum Heads (Cathedral Port), 4.00 Bore 3.62 Stroke, 20022006 Cadillac Escalade AWD & EXT SUVs, 20032007 Chevrolet Silverado SS Pickup Trucks, 20042006 Chevrolet Silverado / GMC Sierra Vortec HO Edition, Performance Edition, 2005-2006 GMC Sierra Denali pickup trucks and Yukon Denali SUVs, 2007 Classic Chevrolet Silverado / GMC Sierra VortecMAX & Performance Edition pickup trucks, LS2 / 6.0 Liter VIN H, 2005 -2009 400 HP / 400 TQ, Aluminum Block/Heads (Cathedral Port), 4 Bore x 3.622 Stroke, L76 / 6.0 Liter VIN Y, Active Fuel Management (AFM) / Displacement On Demand (DOD), 2007-2009 361-367 HP / 375-385 TQ, Aluminum Block/Heads (Rectangle Port), 4 Bore x 3.622 Stroke, 20072009 Chevrolet Silverado / Suburban / Avalanche & GMC Sierra / Yukon XL Pickup Trucks & SUVs, L77 / 6.0 Liter VIN 2, Flex Fuel, Active Fuel Management (AFM) / Displacement On Demand (DOD), 2011-2017 362 HP / 391 TQ, Aluminum Block/Heads (Rectangle Port), 4 Bore x 3.622 Stroke, 2011-2017 Chevrolet Caprice Police Pursuit Vehicles, LY6 / 6.0 Liter VIN K, 2007 -2013 361 HP / 385 TQ, Variable Valve Timing (VVT), Cast Iron Block/ Aluminum Heads (Rectangle Port), 4 Bore x 3.622 Stroke, 20072009 Chevrolet Silverado HD / GMC Sierra HD pickup trucks, 20072013 Chevrolet Suburban 2500 / GMC Yukon XL 2500 SUVs, L96 / 6.0 Liter Flex-Fuel VIN G, 2010-2020 - 361 HP / 385 TQ, Variable Valve Timing (VVT), Cast Iron Block/ Aluminum Heads (Rectangle Port), 4 Bore x 3.622 Stroke, 20102013 Chevrolet Suburban 2500 / GMC Yukon XL 2500 SUVs, 20102019 Chevrolet Silverado HD / GMC Sierra HD Pickup Trucks, 20102020 Chevrolet Express / GMC Savana Vans, LFA / 6.0 Liter Hybrid VIN 5, 20082009 332 HP / 367 TQ, Aluminum Block/Heads (Rectangle Port), 4 Bore x 3.622 Stroke, 20082009 Chevrolet Tahoe Hybrid / GMC Yukon / Cadillac Escalade Hybrid SUVs, 2008-2009 Chevrolet Silverado Hybrid / GMC Sierra Hybrid Pickup Trucks, LZ1 / 6.0 Liter Hybrid / Active Fuel Management (AFM) / Variable Valve Timing (VVT), VIN J, 2010-2013 - 332 HP / 367 TQ, Aluminum Block/Heads (Rectangle Port), 4 Bore x 3.622 Stroke, 20102013 Chevrolet Tahoe Hybrid / GMC Yukon Hybrid / Cadillac Escalade Hybrid SUVs, 20102013 Chevrolet Silverado Hybrid / GMC Sierra Hybrid pickup trucks, LY2 / 4.8 Liter VIN C, 2007-2009 260-295 HP / 295-305 TQ, Cast-Iron Block/ Aluminum Heads (Cathedral Port), 3.78 Bore 3.27 Stroke, 20072009 Chevrolet Silverado / GMC Sierra pickup trucks, 20072009 Chevrolet Tahoe / GMC Yukon SUVs, 20082009 Chevrolet Express/GMC Savana Vans, L20 / 4.8 Liter VIN A, Variable Valve Timing (VVT), 2010 2017 260-302 HP / 295-305 TQ, Cast Iron Block, Aluminum Heads (Cathedral Port), 3.78 Bore 3.27 Stroke, 20102013 Chevrolet Silverado / GMC Sierra pickup trucks, 20102017 Chevrolet Express/GMC Savana Vans, LMF / 5.3 Liter VIN 4, 2010-2014 301 HP / 325 TQ, 3.78 Bore x 3.622 Stroke, Cast Iron Block / Aluminum Heads (Cathedral Port), 2010-2014 Chevrolet Express 1500 AWD / GMC Savana 1/2 ton AWD vans, L94 / 6.2 Liter - VIN F, Active Fuel Management (AFM), Variable Valve Timing (VVT), 2010-2014 - 403 HP / 417 TQ, 4.065 Bore x 3.622" Stroke, Aluminum Block / Aluminum Heads (Rectangle Port), 2010 - 2014 Cadillac Escalade ESV / EXT , GMC Yukon / Yukon XL, LH6 / 5.3 Liter VIN M, Active Fuel Management (AFM), 2005-2009- 300-315 HP / 330-338 TQ, Aluminum Block/Heads (Cathedral Port), 3.78 Bore x 3.622 Stroke, 20052009 Chevrolet Trailblazer / Trailblazer EXT (2005-2006) / GMC Envoy Denali SUVs, 2007-2009 Chevrolet Silverado 1500 / GMC Sierra 1500, LY5 / 5.3 Liter VIN J, 2007-2014 315-320 HP / 335-340 TQ (pickups), 320 HP / 340 TQ (SUVs), Cast Iron Block / Aluminum Heads (Cathedral Port), 3.78 Bore x 3.622 Stroke, 20072013 Chevrolet Silverado 1500 & Avalanche / GMC Sierra 1500 pickup trucks, 20072014 Chevrolet Suburban 1500 & Tahoe / GMC Yukon & Yukon XL 1500, LMG / 5.3 Liter VIN 0, flex fuel, 2010-2014 -Variable Valve Timing (VVT), 2007-2014 - 315-320 HP / 335-340 TQ (pickups), 320 HP / 340 TQ (SUVs), Cast Iron Block / Aluminum Heads (Cathedral Port), 3.78 Bore x 3.622 Stroke, 20072013 Chevrolet Silverado 1500 & Avalanche / GMC Sierra 1500, LC9 / 5.3 Liter VIN 3 or 7, flex fuel, 2010-2014 Variable Valve Timing (VVT), 2007-2014 315 HP / 335 TQ (Pickups), 320 HP / 335 TQ (SUVs), Aluminum Block / Heads (Cathedral Port), 3.78 Bore x 3.622 Stroke, 20072013 Chevrolet Avalanche, Silverado 1500 / GMC Sierra 1500 4WD pickup trucks, 20072014 Chevrolet Suburban 1500 / GMC Yukon XL 1500 4WD SUVs, LH8 / 5.3 Liter VIN L, 2008-2009 300 HP / 320 TQ, Aluminum Block / Heads (Cathedral Port), 3.78 Bore x 3.622 Stroke, 20082009 Hummer H3 Alpha off-road vehicle, 2009 Chevrolet Colorado/GMC Canyon pickup trucks, LH9 / 5.3 Liter VIN P, Flex-Fuel, Variable Valve Timing (VVT), 2010-2012 300 HP / 320 TQ, Aluminum Block / Heads (Cathedral Port), 3.78 Bore x 3.622 Stroke, LS4 / 5.3 Liter VIN C, Active Fuel Management (AFM), 2005-2009 303 HP / 323 TQ, 3.78, Aluminum Block / Heads (Cathedral Port), Bore x 3.622 Stroke, LS7 / 7.0 Liter VIN E, 2006-2015 505 HP / 470 TQ, Aluminum Block / Heads (Raised Rectangle Port), 4.125 Bore x 4 Stroke, L92 / 6.2 Liter VIN 8, Variable Valve Timing (VVT), 2007-2013 403 HP / 415-417 TQ, Aluminum Block/Heads (Rectangle Port), 4.065 Bore x 3.622 Stroke, 2007-2013 GMC Yukon Denali/Denali XL & Sierra Denali, L9H / 6.2 Liter - VIN 2, Variable Valve Timing (VVT), 2009 - 2013 - 403 HP / 417 TQ, Aluminum Block / Heads (Rectangle Port), 4.065" Bore x 3.622" Stroke, 2009 Cadillac Escalade ESV / EXT , Chevrolet Tahoe LTZ, GMC Yukon Denali, 2009 - 2013 GMC Yukon XL 1500 SLT, Sierra 1500 Denali / SLE / SLT, 2010-2013 Chevrolet Silverado 1500 LT / LTZ, LS3 / 6.2 Liter VIN W, 2008-2017 - 430 HP / 424 TQ, Aluminum Block /Heads (Rectangle Port), 4.065 Bore x 3.622 Stroke, 20102015 Chevrolet Camaro SS (manual transmission only), L99 / 6.2 Liter VIN J, Active Fuel Management (AFM), Variable Valve Timing (VVT), 2010-2015 400 HP / 410 TQ, Aluminum Block / Heads (Rectangle Port), 4.065 Bore x 3.622 Stroke, 20102015 Chevrolet Camaro SS (Automatic Transmission only), LS9 / 6.2 Liter, Supercharged VIN T, 2009-2013 638 HP / 604 TQ, Aluminum Block / Heads (Rectangle Port), 4.065 Bore x 3.622 Stroke, LS Performance Engine, LSA / 6.2 Liter, Supercharged VIN P, 2009-2015 556 HP / 551 TQ, Aluminum Block / Heads (Rectangle Port) , 4.065 Bore x 3.622 Stroke, LS Performance Engine, 12480030 - 2003-2004 GM Performance Products non-production block12550592 - 1997-1999 LS112551358 - 1998-1999, 2001-2005 LM7 / LR412551364 - 1998-1999 LQ4, 2001-2005 LQ4/LQ912559090 - 1998 LS112559378 - 2000-2002 LS112559846 - 1998-2000 LS112560626 - 2000 LS112561166 - 2001 LS1/LS612561168 - 2001-2004 LS1/LS612562735 - 2005 L33 / LS212566910 - 2003-2005 LM412567392 - 2002-2005 LM7 / LR412567393 - 2005 LM7 / LR412573581 - 2002-2005 LQ4/LQ912577184 - 2005 LQ4/LQ9, casting # ending in 241 - LS1 , with 2.00 / 1.55 valves, 67cc chambers, cathedral ports, casting # ending in 243,799, and 823 - LS1/LS6 , with 2.00 / 1.55 valves, 65cc chambers, cathedral ports, casting # ending in 706, 862, and 895 LM4/LM7/LR4 , with 1.89 / 1.55 valves, 61cc chambers, cathedral ports, casting # ending in 853, 806, and 933 - LS1 , with 2.00 / 1.55 valves, 67cc chambers, cathedral ports, casting # ending in 317 and 035 LQ4/LQ9 , with 2.00 / 1.55 valves, 71cc chambers, cathedral ports, casting # ending in 373 and 873 LQ4 , with 2.00 / 1.55 valves, 71cc chambers, rectangle ports, casting # ending in 364, 716, and 823 L92/LS3 , with 2.165 / 1.590 valves, 68cc chambers, rectangle ports, casting # ending in 452 LS7 , with 2.20 / 1.610 valves, 70cc chambers, rectangle (raised) ports.