2004 Chevrolet Corvette 2004 ENGINE PERFORMANCE Engine Mechanical (Introduction) - 5.7L - Corvette 2004 ENGINE PERFORMANCE Engine Mechanical (Introduction) - 5.7L - Corvette SPECIFICATIONS FAST! ER TIGHTENING SPECIFICA’ Fastener Tightening Specifica Specification Application Metric English ‘Accessory Drive Belt Idler Pulley Bolt 30 Nam 37 Ib ft Accessory Drive Belt Tensioner Bolt 50.Nm 37 Ib ft ‘Air Conditioning (A/C) Compressor and oT Nm aren Condenser Hose Bolt ‘AIC Drive Belt Idler Pulley Bolt 30Nm 37 Ib ‘AIC Drive Belt Tensioner Bolt 25 Nam T8Ib tt Air Injection Reaction (AIR) Pipe-to-Exhaust Manifold Bolts 20 Nm ISTb ft AIR Right Side Pipe Bracke o-Cynder Head a a Automatic Transmission Fluid Cooler Line Clamp Bolt - at Oil Pan exe LOS Ib ‘Automatic Transmission Fluid Cooler Line 2 4 Clamp Bolt - at Right Transmission Cover 2.2Nm ibe Automatic Transmission Fluid Cooler Pipe 25 Nm T8Ib Camshaft Retainer Bolts 25.Nm is ib ft Camshaft Sensor Bolt 25 Nm Is Ib ft Camshaft Sprocket Bolts 35.Nm 26 1b fe Connecting Rod Bolts - First Pass 20.N.m 1S Ib ft Connecting Rod Bolts - Final Pass 75 degrees Coolant Temperature Gage Sensor 20 Nm Tslbt Crankshaft Balancer Bolt - Installation Pass-to : Ensure the Balancer is Completely Installed 330 Nm 240 Ib ft Crankshaft Balancer Bolt - First Pass - Install a NEW Bolt After the Installation Pass and Tighten as Described in the First and Final So aoe Passes Crankshaft Balancer Bolt - Final Pass 140 degrees Crankshaft Bearing Cap Bolts ~ inner Bolts ~ sONm sia First Pass in Sequence2004 Chevrolet Corvette 2004 ENGINE PERFORMANCE Engine Mechanical (Introduction) - 5.7L - Corvette Crankshaft Bearing Cap Bolts - Inner Bolts - Final Pass in Sequence 80 degrees Crankshaft Bearing Cap Side Bolts 25m 18 Ib ft Crankshaft Bearing Cap Studs - Outer Studs - as Gon First Pass in Sequence Crankshaft Bearing Cap Studs - Outer Studs - ae Final Pass in Sequence ? degrees Crankshaft Oil Deflector Nuts 25 Nm 18 ib ft Crankshaft Position Sensor Bolt 25.N.m 18 Ib ft Crossmember Nut 110N.m 81 Ib ft Cylinder Head Bolts - First Design - First Pass - all M11 Bolts in Sequence soni gz Cylinder Head Bolts - First Design - Second Pass| ae all M11 Bolts in Sequence ae Cylinder Head Bolts - First Design - Final Pass all M11 Bolts in Sequence - Excluding the ne Medium Length Bolts at the Front and Rear of sone Each Cylinder Head Cylinder Head Bolts - First Design - Final Pass M11 Medium Length Bolts at the Front and Rear 50 degrees of Each Cylinder Head Cylinder Head Bolts - Second Design - First Pass 5 all M11 Bolts in Sequence BoNm zal Cylinder Head Bolts - Second Design - Second _ Pass all MII Bolts in Sequence 90 degrees Cylinder Head Bolts - Second Design - Final EE Pass all M11 Bolts in Sequence 8 Cylinder Head Bolts - M8 Inner Bolts in a tn Sequence Cylinder Head Coolant Plug 20 Nm iS 1b ft Cylinder Head Core Hole Plug 20N.m 151d ft Driveline Close-Out Panel Bolt 12Nm 106 Tb in Driveline Support Bolt 50 N.m 37 Ib ft Driveline Support Plug 50.N.m 37 Ib ft Engine Block Coolant Drain Plugs 60 Nm 44 1b ft Engine Block Heater 40 Nm 30 Ib ft Engine Block Oil Gallery Plugs 60. N.m 44 1b ft Engine Coolant Air Bleed Pipe and Cover Bolts — nae and Studs Engine Flywheel Bolts - First Pass 20 Nm Is Ib ft2004 Chevrolet Corvette 2004 ENGINE PERFORMANCE Engine Mechanical (Introduction) - 5.7L - Corvette Engine Flywheel Bolts - 50. N.m 37 Ib ft Engine Flywheel Bolt 100 Nm 74 Ib ft Engine Flywheel Hub Collar Bolt - Automatic ‘ON ean Transmission Engine Front Cover Bolts 25N.m 18 Ib ft Engine Mount Bracket Bolt 50. Nm 37 Ib ft Engine Mount Nut 65 N.m 48 Ib ft Engine Mount-to-Engine Mount Bracket Nut 65 Nm 48 Ib ft Engine Oil Filter 30N.m 22 Ib ft Engine Rear Cover Bolts 25N.m 18 1b ft Engine Service Lift Bracket M8 Bolt 25m 18 Ib ft Engine Service Lift Bracket M10 Bolts 50. Nm 37 Ib ft Engine Valley Cover Baffle Cover Bolts - LS6 5Nm 44 Tb in Engine Valley Cover Bolts 25 N.m 18 Ib ft Engine Wiring Hamess Generator Lead Nut 1B Nam 115 Ib in Engine Wiring Harness Ground Strap Bolt 32Nm 24 Ib ft Exhaust Manifold Bolts - First Pass 15 Nm Lib ft Exhaust Manifold Bolts - Final Pass 25N.m 18 Ib ft Exhaust Manifold Heat Shield Bolts 9N.m 80 Ib in Flywheel Housing Bolt 50 Nm 37 Ib ft Fuel Injection Fuel Rail Bolts 10 N.m 89 Ib in Generator Bracket Bolt 30 Nm 37 Ib ft Ignition Coil Bracket-to-Valve Rocker Arm — pee Cover Bolts Ignition Coil-to-Bracket Bolts 12N.m 106 Tb in Intake Manifold Bolts - First Pass in Sequence 3Nm 44 1b in Intake Manifold Bolts - Final Pass in Sequence 10 Nm 89 Ib in Intermediate Steering Shaft Bolt 48 N.m 35 Ib ft Knock Sensors 20 Nm 15 Ib ft Oil Filter 30N.m 22 Ib ft Oil Filter Fitting 355.Nm 40 Ib ft Oil Level Indicator Tube Bolt 16 Nm 12 Ib ft Oil Level Sensor 13. Nm 115 Ib in Oil Pan Closeout Cover Bolt - Left Side 12N.m 106 Ib in Oil Pan Closeout Cover Bolt - Right Side 12N.m 106 Ib in Oil Pan Cover Bolts Nm 106 Ib in Oil Pan Drain Plug 25Nm 18 Ib ft Oil Pan - Lower - Bolts 12N.m 106 Ib in Oil Pan M8 Bolts - Oil Pan-to-Engine Block and2004 Chevrolet Corvette 2004 ENGINE PERFORMANCE Engine Mechanical (Introduction) - 5.7L - Corvette Oil Pan-to-Front Cover 25m 18 Ib ft Oil Pan M6 Bolts - Oil Pan-to-Rear Cover Nm 106 Ib in Oil Pressure Sensor 20N.m 15 Ib ft Oil Pump Cover Bolts 12N.m 106 Ib in Oil Pump Relief Valve Plug 122Nm 106 Tb in Oil Pump Screen Nuts 25m 18 Ib ft Oil Pump Screen-to-Oil Pump Bolt 12N.m 106 Ib in Oil Pump-to-Engine Block Bolts 25m 181d ft Oil Temperature Sensor 20N.m 15 Ib ft Power Steering Pump Bolt 25.Nm 18 Ib ft Propeller Shaft Hub Collar Bolt 125 N.m 92 Ib ft Spark Plugs - Cylinder Heads - New 20N.m 15 Ib ft Spark Plugs - all Subsequent Installations 15 Nm TL Ib ft Steering Knuckle Nut - First Pass 20N.m 15 Ib ft Steering Knuckle Nut - Second Pass 50 degrees Steering Knuckle Nut - Final Pass 55.Nm 41 Ib ft Throttle Body Bolts 12Nm 106 Ib in Timing Chain Guide Bolts 35m 26 Ib ft Transmission Cover Bolt Nm 106 Ib in Transmission Wiring Hamess Bracket Bolt 50 N.m 37 Ib ft Transmission Wiring Hamess Clip Bolt - near oA 23 bf the Harness Ground Transmission Wiring Harness Clip Bolt - near —— aan the Oil Pan Valve Lifter Guide Bolts 12N.m 106 Tb in Valve Rocker Arm Bolts 30Nm 22 Ib ft Valve Rocker Arm Cover Bolts 2Nm 106 Ib in Water Inlet Housing Bolts 15 N.m IIb ft Water Pump Bolts - First Pass 15Nm TL Tb ft Water Pump Bolts - Final Pass 30N.m 22 Ib ft Water Pump Cover Bolts 15 Nm Lib it ENG! MECHANICAL SPECIFICATIONS (LS1) Engine Mechanical Specifications (LS1) Specification Application Metric English General « Engine Type V82004 Chevrolet Corvette 2004 ENGINE PERFORMANCE Engine Mechanical (Introduction) - 5.7L - Corvette + Displacement 5.1L - 5665 ce 346 CID + RPO LSI + VIN G « Bore 99.0 -99.018 mm | 3.897-3.898 in * Stroke 92.0 mm 3.622 in + Compression Ratio 10.1 :1 « Firing Order 1-8-7-2-6-5-4-3, 1.016 mm 0.04 in « Spark Plug Gap Block « Camshaft Bearing Bore I and 5 Diameter - First Design 59.08-59.13 mm 2.325-2.327 in Camshaft Bearing Bore 2 and 4 Diameter - First Design 58.83-58.88 mm 2.316-2.318 in + Camshaft Bearing Bore 3 Diameter - First Design 58.58-58.63 mm 2.306-2.308 in + Camshaft Bearing Bore | and 5 Diameter - Second Design 59,58-59.63 mm 2.345-2.347 in « Camshaft Bearing Bore 2 and 4 Diameter - Second Design 59.08-59.13 mm 2.325-2.327 in + Camshaft Bearing Bore 3 Diameter - Second Design 58,58-58.63 mm 2.306-2.308 in + Crankshaft Main Bearing Bore Diameter 69.871-69.889 mm 2.75-2.751 in Crankshaft Main Bearing Bore Out-of- Round 0.005 mm 0.0002 in « Cylinder Bore Diameter 99,0-99.018 mm 3.897-3.898 in « Cylinder Bore Taper - Thrust Side 0.018 mm 0.0007 in # Cylinder Head Deck Height - Measuring from the Centerline of Crankshaft to the 23457-23482 9.235-9.245 in Deck Face a « Cylinder Head Deck Surface Flatness - 0.08 mm 0.003 in Measured Within a 152.4 mm (6.0 in) Area)" oe. « Cylinder Head Deck Surface Flatness - . Measuring the Overall Length of the Block| 0.22 mm 0.008 in Deck 21.417-21.4432004 Chevrolet Corvette 2004 ENGINE PERFORMANCE Engine Mechanical (Introduction) - 5.7L - Corvette Valve Lifter Bore Diameter mm 0.843-0.844 in Camshaft « Camshaft End Play 0.025-0.305 mm 0.001-0.012 in ¢ Camshaft Journal Diameter 54.99-55.04 mm 2.164-2.166 in « Camshaft Journal Out-of-Round 0.025 mm 0.001 in ¢ Camshaft Lobe Lift - Exhaust 7.13 mm 0.281 in e Camshaft Lobe Lift - Intake 6.96 mm 0.274 in « Camshaft Runout - Measured at the 0.05 mm 0.002 in Intermediate Journals Connecting Rod « Connecting Rod Bearing Clearance - Production 0.023-0.065 mm 0.0009-0.0025 in + Connecting Rod Bearing Clearance - Service 0.023-0.076 mm 0.0009-0.003 in « Connecting Rod Bore Diameter - Bearing 56.505-56.525 2.224-2.225 in End mm + Connecting Rod Bore Out-of-Round - 0.006 mm 0.00023 in Bearing End - Production + Connecting Rod Bore Out-of-Round - nc onan Bearing End - Service « Connecting Rod Side Clearance 0.11-0.51 mm 0.00433-0.02 in Crankshaft « Connecting Rod Journal Diameter - 53.318-53.338__| 5 9991-7.0999 in Production mm + Connecting Rod Journal Diameter - 53,308 mm 2.0987 in Service * Connecting Rod Journal Out-of-Round = 0.005 mm 0.0002 in Production + Connecting Rod Journal Out-of-Round - 0.01 mm 0.0004 in Service Connecting Rod Journal Taper - Maximum - a for 1/2 of Jounal Length - Production aD Gorin + Connecting Rod Journal Taper - Maximum| 0.9) mm ae for 1/2 of Journal Length - Service @ Crankshaft End Play 0.04-0.2 mm _ | 0.0015-0.0078 in2004 Chevrolet Corvette 2004 ENGINE PERFORMANCE Engine Mechanical (Introduction) - 5.7L - Corvette « Crankshaft Main Bearing Clearance - Production 0.021-0.052 mm 0.0008-0.0021 in Crankshaft Main Bearing Clearance - Service 0.02-0.065 mm 0.0008-0.0025 in Crankshaft Main Journal Diameter - 64.993-65.007 2.558-2.559 in Production mm + Crankshaft Main Journal Diameter - Poe a Service * Crankshaft Main Journal Out-of-Round - 0.003 mm Anaahat Production + Crankshaft Main Journal Out-of-Round - 0.008 mm as Service * Crankshaft Main Journal Taper - acnam — Production Crankshaft Main Journal Taper - Service 0.02 mm 0.00078 in « Crankshaft Rear Flange Runout 0.05 mm 0.002 in + Crankshaft Reluctor Ring Runout - Measured 1.0 mm (0.04 in) Below Tooth 0.7 mm 0,028 in Diameter Crankshaft Thrust Surface - Production 26,14-26.22 mm | 1.029-1,0315 in # Crankshaft Thrust Surface - Service 26.22 mm 1.0315 in + Crankshaft Thrust Surface Runout 0.025 mm 0.001 in Cylinder Head # Cylinder Head Height/Thickness - Measured from the Cylinder Head Deck to | 120.2 mm 4.732 in the Valve Rocker Arm Cover Seal Surface # Surface Flatness - Block Deck - Measured : a 0.08 0.003 Within a 152.4 mm (6.0 in) Area mm mn « Surface Flatness - Block Deck - Measuring ; the Overall Length of the Cylinder Head a Cu « Surface Flatness - Exhaust Manifold Deck | _0.22 mm 0.008 in « Surface Flatness - Intake Manifold Deck 0.22 mm 0,008 in Intake Manifold + Surface Flatness - Measured at Gasket 0.5mm an Sealing Surfaces Lubrication System2004 Chevrolet Corvette 2004 ENGINE PERFORMANCE Engine Mechanical (Introduction) - 5.7L - Corvette * Oil Capacity - with Filter 6.151 Liters 6.5 Quarts « Oil Capacity - without Filter 5.678 Liters 6.0 Quarts 41 kPa at 1,000 | 6 psig at 1,000 engine RPM | engine RPM Oil Pressure - Minimum - Hot 124 kPa at 2,000 engine RPM 165 kPa at 4,000 engine RPM 18 psig at 2,000 engine RPM 24 psig at 4,000 engine RPM Oil Pan ¢ Front Cover Alignment - at Oil Pan 0.0-0.5 mm 0.0-0.02 in Surface Rear Cover Alignment - at Oil Pan Surface | __0.0-0.5 mm 0.0-0.02 in © Oil Pan Alignment - to Rear of Engine ; Block at Transmission Bellhousing 0.0-0.25 mm 0.0-0.01 in Mounting Surface Piston Rings # Piston Ring End Gap - First Compression Ring - Measured in Cylinder Bore - Production 0.23-0.44 mm 0.009-0.017 in + Piston Ring End Gap - First Compression Ring - Measured in Cylinder Bore - 0.23-0.5 mm 0.009-0.0196 in Service « Piston Ring End Gap - Second Compression Ring - Measured in Cylinder | 0.44-0.7 mm 0.017-0.027 in Bore - Production # Piston Ring End Gap - Second Compression Ring - Measured in Cylinder Bore - Service 0.44-0.76 mm 0.0173-0.03 in # Piston Ring End Gap - Oil Control Ring - Measured in Cylinder Bore - Production 0.18-0.75 mm 0.007-0.029 in * Piston Ring End Gap - Oil Control Ring - Measured in Cylinder Bore - Service 0.18-0.81 mm 0.007-0.032 in # Piston Ring to Groove Clearance - First Compression Ring - Production 0.04-0.086 mm 10.00157-0.0033 in Piston Ring to Groove Clearance - First Compression Ring - Service 0.04-0.068 mm (0.00157-0.0033 in # Piston Ring to Groove Clearance - Second Compression Ring - Production 0.05-0.088 mm 0.002-0.0034 in2004 Chevrolet Corvette 2004 ENGINE PERFORMANCE Engine Mechanical (Introduction) - 5.7L - Corvette Piston Ring to Groove Clearance - Second Compression Ring - Service 0.05-0.088 mm 0.002-0.0034 in « Piston Ring to Groove Clearance - Oil -0.008 to +0.176 -0.0003 to Control Ring - Production mm +0,0069 in « Piston Ring to Groove Clearance - Oil -0.008 to +0.176 -0.0003 to mm +0,0069 in Control Ring - Service Pistons and Pins Piston - Piston Diameter- Non Coated Skirt) 98.969-98.987 3.8964-3.8997 in - at Size Point mm « Piston - Piston Diameter- Measured Over | 98.984-99.027 | 3 307.3 go9 in Skirt Coating mm Piston - Piston to Bore Clearance - Non Coated Skirt - Production 0.013-0.049 mm 0.0005-0.0019 in Piston - Piston to Bore Clearance - Non Coated Skirt - Service 0.013-0.074 mm 0.0005-0.0029 in Piston - Piston to Bore Clearance - Coated -0.027 to +0.029 -0.001 to +0.0011 Skirt - Production mm in « Piston - Piston to Bore Clearance - Coating) 9 974 mm 0.0029 in Worn Off - Service Limit ¢ Pin - First Design Press Fit Pin Fit in 0,02-0.043 mm - | 0.00078-0.00169 Connecting Rod Bore Interference | in - Interference « Pin - First Design Press Fit Pin Clearance | 9 91-9.92 mm |0.0004-0.00078 in to Piston Pin Bore - Production Pin - First Design Press Fit Pin Clearance to Piston Pin Bore - Service 0.01-0.022 mm 10.0004-0.00086 in| Pin - First Design Press Fit Pin Diameter 23.997-24.0 mm 0.9447-0.9448 in Pin - Second Design Full Floating Pin Fit 0.007-0.02 mm 0.00027-0.00078 in Connecting Rod Bore - Production in » Pin - Second Design Full Floating Pin Fit | 9 997-0,22 mm | °:00027-0.00086 in Connecting Rod Bore - Service eee in Pin - Second Design Full Floating Pin Clearance to Piston Pin Bore - Production 0.002-0.01 mm 10.00008-0.0004 in Pin - Second Design Full Floating Pin Clearance to Piston Pin Bore - Service 0.002-0.015 mm 10.00008-0.0006 in| « Pin - Second Design Full Floating Pin Diameter 23.952-23.955 mm 0.943-0.943 in Valve System2004 Chevrolet Corvette 2004 ENGINE PERFORMANCE Engine Mechanical (Introduction) - 5.7L - Corvette « Valves - Valve Face Angle 45 degrees Valves - Valve Face Width 1.25 mm 0.05 in Valves - Valve Lash Net Lash - No Adjustment Valves - Valve Lift - Intake 11.79 mm 0.464 in Valves - Valve Lift - Exhaust 12.16 mm 0.479 in « Valves - Valve Seat Angle 46 degrees Valves - Valve Seat Runout 0.05 mm 0.002 in « Valves - Valve Seat Width - Exhaust 1.78 mm. 0.07 in Valves - Valve Seat Width - Intake 1.02 mm 0.04 in Valves - Valve Stem Diameter- Production | 7.955-7.976 mm | _0.313-0.314 in Valves - Valve Stem Diameter- Service 7.96 mm 0.314 in Valves - Valve Stem-to-Guide Clearance - Production - Intake 0.025-0.066 mm | 0.001-0.0026 in Valves - Valve Stem-to-Guide Clearance - Service - Intake 0.093 mm 0.0037 in Valves - Valve Stem-to-Guide Clearance - Production - Exhaust 0,025-0.066 mm | 0.001-0,0026 in Valves - Valve Stem-to-Guide Clearance - Height : s 0.093 mm 0.0037 in Service - Exhaust « Rocker Arms - Valve Rocker Arm Ratio 1.70:1 « Valve Springs - Valve Spring Free Length 52.9 mm 2.08 in « Valve Springs - Valve Spring Installed eos 18in Valve Springs - Valve Spring Load - 340 at 45.75 | 96 th at 1.8 in Closed mm ; ; 980 N at 33.55 : * Valve Springs - Valve Spring Load - Open a 220 Ib at 1.32 in ENGINE MECHANICAL SPECIFICATIONS (LS6) Engine Mechanical Specifications (LS6) Specification Application Metric English General Engine Type Vv 5.7L - 5665 cc 346 CID2004 Chevrolet Corvette 2004 ENGINE PERFORMANCE Engine Mechanical (Introduction) - 5.7L - Corvette « Displacement + RPO LS6 + VIN s « Bore 99,0-99.018 mm | 3.897-3.898 in * Stroke 92.0 mm 3.622 in + Compression Ratio 10.5:1 « Firing Order 1-8-7-2-6-5-4-3 # Spark Plug Gap 1.016 mm 0.04 in Block « Camshaft Bearing Bore I and 5 Diameter - First Design 59.08-59.13 mm | 2.325-2.327 in Camshaft Bearing Bore 2 and 4 Diameter - First Design 58.83-58.88 mm | 2.316-2.318 in + Camshaft Bearing Bore 3 Diameter - First Design 58.58-58.63 mm | 2.306-2.308 in + Camshaft Bearing Bore | and 5 Diameter - Second Design 59.58-59.63 mm | 2.345-2.347 in « Camshaft Bearing Bore 2 and 4 Diameter - Second Design 59.08-59.13 mm | 2.325-2.327 in + Camshaft Bearing Bore 3 Diameter - Second Design 58.58-58.63 mm | 2.306-2.308 in + Crankshaft Main Bearing Bore Diameter 69.871-69.889 mm 2.75-2.751 in Crankshaft Main Bearing Bore Out-of- Round 0.005 mm 0.0002 in « Cylinder Bore Diameter 99.0-99.018 mm | 3.897-3.898 in « Cylinder Bore Taper - Thrust Side 0.018 mm 0.0007 in # Cylinder Head Deck Height - Measuring from the Centerline of Crankshaft to the 234.57-23. ee eae 9.235-9.245 in Deck Face a « Cylinder Head Deck Surface Flatness - 0.08 mm 0.003 in Measured Within a 152.4 mm (6.0 in) Area : « Cylinder Head Deck Surface Flatness - Measuring the Overall Length of the Block] 0.22 mm 0.008 in Deck 2) 417-21 .4432004 Chevrolet Corvette 2004 ENGINE PERFORMANCE Engine Mechanical (Introduction) - 5.7L - Corvette Valve Lifter Bore Diameter mm 0.843-0.844 in Camshaft « Camshaft End Play 0.025-0.305 mm 0.001-0.012 in ¢ Camshaft Journal Diameter 54.99-55.04 mm 2.164-2.166 in « Camshaft Journal Out-of-Round 0.025 mm 0.001 in « Camshaft Lobe Lift - Exhaust 8.19 mm 0.322 in « Camshaft Lobe Lift - Intake 8.24 mm 0.324 in « Camshaft Runout - Measured at the 0.05 mm 0.002 in Intermediate Journals Connecting Rod « Connecting Rod Bearing Clearance - Production 0.023-0.065 mm 0.0009-0.0025 in + Connecting Rod Bearing Clearance - Service 0.023-0.076 mm 0.0009-0,003 in « Connecting Rod Bore Diameter - Bearing 56.505-56,525 2.224-2.225 in End mm * Connecting Rod Bore Out-of-Round - aoe one Bearing End " eee + Connecting Rod Bore Out-of-Round - 0.006 mm 0.00023 in Bearing End - Service : “_ « Connecting Rod Side Clearance 0.11-0.51 mm_| 0.00433-0.02 in Crankshaft + Connecting Rod Journal Diameter - 53.318-53.338 2.0991-2.0999 in Production mm Connecting Rod Journal Diameter - Service| _ 53.308 mm 2.0987 in * Connecting Rod Journal Out-of-Round - 0.005 mm 0.0002 in Production : # Connecting Rod Journal Out-of-Round - alam oon Service # Connecting Rod Journal Taper - Maximum 5 for 1/2 of Journal Length - Production a poz + Connecting Rod Journal Taper - Maximum] 9.99 mm 0.00078 in for 1/2 of Journal Length - Service « Crankshaft End Play 0.04-0.2 mm__ | 0.0015-0.0078 in Crankshaft Main Bearing Clearance - 0.02-0.052 mm 0.0008-0.0021 in2004 Chevrolet Corvette 2004 ENGINE PERFORMANCE Engine Mechanical (Introduction) - 5.7L - Corvette Production * Crankshaft Main Bearing Clearance - 0.02-0.065 mm 0.0008-0.0025 in Service Crankshaft Main Journal Diameter - 64.992-65.008 | 5 5589 559 in Production mm + Crankshaft Main Journal Diameter - cna — Service + Crankshaft Main Journal Out-of-Round= | 9.993 mm OTT Production + Crankshaft Main Journal Out-ofRound- | 9.908 mm aan Service Crankshaft Main Journal Taper - acer naan Production « Crankshaft Main Journal Taper - Service 0.02 mm 0.00078 in « Crankshaft Rear Flange Runout 0.05 mm 0.002 in * Crankshaft Reluctor Ring Runout - Measured 1.0 mm (0.04 in) Below Tooth 0.7mm 0.028 in Diameter « Crankshaft Thrust Surface - Production | 26.14-26.22 mm | 1.029-1.0315 in # Crankshaft Thrust Surface - Service 26.22 mm 1.0315 in « Crankshaft Thrust Surface Runout 0.025 mm 0.001 in Gjlinder Head # Cylinder Head Height/Thickness - ; Measured from the Cylinder Head Deck to | 120.2 mm 4.732 in the Valve Rocker Arm Cover Seal Surface « Surface Flatness - Block Deck - Measured 3 Within a 152.4 mm (6.0 in) Area ea Gm # Surface Flatness - Block Deck - Measuring] 9 ane the Overall Length of the Cylinder Head “mm een « Surface Flatness - Exhaust Manifold Deck | 0.22 mm 0.008 in Surface Flatness - Intake Manifold Deck 0,22 mm 0.008 in Intake Manifold « Surface Flatness - Measured at Gasket Osun AGA Sealing Surfaces Lubrication System # Oil Capacity - with Filter 6.151 Liters 6.5 Quarts2004 Chevrolet Corvette 2004 ENGINE PERFORMANCE Engine Mechanical (Introduction) - 5.7L - Corvette * Oil Capacity - without Filter 5.678 Liters 6.0 Quarts 41 kPa at 1,000 | 6 psig at 1,000 engine RPM engine RPM 124 kPa at 2,000 | 18 psig at 2,000 © Oil Pressure - Minimum - Hot engine RPM 165 kPa at 4,000 engine RPM engine RPM 24 psig at 4,000 engine RPM Oil Pan Front Cover Alignment - at Oil Pan Surface|__0.0-0.5 mm 0.0-0.02 in Rear Cover Alignment - at Oil Pan Surface | _0.0-0.5 mm 0.0-0.02 in # Oil Pan Alignment - to Rear of Engine ; Block at Transmission Bellhousing 0.0-0.25 mm 0.0-0.01 in Mounting Surface Piston Rings # Piston Ring End Gap - First Compression ; Ring - Measured in Cylinder Bore - 0.23-0.44 mm | 0.009-0.017 in Production + Piston Ring End Gap - First Compression | 9 3.9 5 0.009-0.0196 Ring - Measured in Cylinder Bore ee mm n * Piston Ring End Gap - Second Compression Ring - Measured in Cylinder | 0.44-0.7 mm 0.017-0.027 in Bore - Production * Piston Ring End Gap - Second Compression Ring - Measured in Cylinder | 0.44-0.76 mm | 0.0173-0.03 in Bore + Piston Ring End Gap - Oil Control Ring - | 9 18-0,75 Raaoen Measured in Cylinder Bore - Production mm ai + Piston Ring End Gap - Oil Control Ring- | 9 1g.81mm | 0.007-0.032 in Measured in Cylinder Bore - Service « Piston Ring to Groove Clearance - First Compression Ring - Production 0.04-0.086 mm '0.00157-0.0033 in| « Piston Ring to Groove Clearance - First Compression Ring - Service 0.04-0.068 mm '0,.00157-0,0033 in| Piston Ring to Groove Clearance - Second Compression Ring - Production 0,05-0,088 mm 0,002-0,0034 in * Piston Ring to Groove Clearance - Second Compression Ring - Service 0.05-0.088 mm 0,002-0.0034 in Piston Ring to Groove Clearance - Oil -0.008 to +0.0176 -0.0003 to2004 Chevrolet Corvette 2004 ENGINE PERFORMANCE Engine Mechanical (Introduction) - 5.7L - Corvette Control Ring - Production mm +0,0069 in Piston Ring to Groove Clearance - Oil -0.008 to +0.0176 0.0003 to Control Ring - Service mm +0.0069 in Pistons and Pins Piston - Piston Diameter - Non Coated Skirt - at Size Point 98.969-98.987 mm 3.8964-3.8997 in « Piston - Piston Diameter - Measured Over Skirt Coating 98.984-99.027 mm 3.897-3.899 in Piston - Piston to Bore Clearance - Non Coated Skirt - Production 0.013-0.049 mm 0.0005-0.0019 in Piston - Piston to Bore Clearance - Non Coated Skirt - Service 0.013-0.074 mm 0.0005-0.0029 in ¢ Piston - Piston to Bore Clearance - Coated Skirt - Production -0.027 to +0.029 mm -0.001 to +0.0011 in « Piston - Piston to Bore Clearance - Coating Worn Off - Service Limit 0.074 mm 0.0029 in « Pin - First Design Press Fit Pin Fit in 0.02-0.043 mm - 0.00078-0.00169 Connecting Rod Bore Interference | in - Interference + Pin - First Design Press Fit Pin Clearance | 9 91-0.02 mm |0.0004-0.00078 in| to Piston Pin Bore - Production OS © Pin - First Design Press Fit Pin Clearance | 9 919.922 mm |0.0004-0.00086 in to Piston Pin Bore - Service « Pin - First Design Press Fit Pin Diameter 23.997-24.0 mm 0.9447-0.9448 in « Pin - Second Design Full Floating Pin Fit in Connecting Rod Bore - Production 0.007-0.02 mm 0.00027-0.00078 in # Pin - Second Design Full Floating Pin Fit in Connecting Rod Bore - Service 0.007-0.022 mm 0.00027-0.00086 in « Pin - Second Design Full Floating Pin Clearance to Piston Pin Bore - Production 0.002-0.01 mm '0.00008-0.0004 in * Pin - Second Design Full Floating Pin Clearance to Piston Pin Bore - Service 0.002-0.015 mm '0.00008-0,0006 in| Pin - Second Design Full Floating Pin 23.952-23.955 0.943-0.943 in Diameter mm Valve System # Valves - Valve Face Angle 45 degrees * Valves - Valve Face Width 1.25 mm 0.05 in2004 Chevrolet Corvette 2004 ENGINE PERFORMANCE Engine Mechanical (Introduction) - 5.7L - Corvette Valves - Valve Lash Net Lash - No Adjustment Valves - Valve Lift - Intake 14.02 mm 0.552 in Valves - Valve Lift - Exhaust 13.92 mm 0.548 in « Valves - Valve Seat Angle 46 degrees Valves - Valve Seat Runout 0.05 mm 0.002 in « Valves - Valve Seat Width - Exhaust 1.78 mm 0.07 in Valves - Valve Seat Width - Intake 1.02 mm 0.04 in « Valves - Valve Stem Diameter - Production] 7.955-7.976 mm | _0.313-0.314 in ¢ Valves - Valve Stem Diameter - Service 7.96 mm 0.314 in Valves - Valve Stem-to-Guide Clearance - Production - Intake 0.025-0.066 mm | 0,001-0.0026 in Valves - Valve Stem-to-Guide Clearance - Service - Intake 0.093 mm 0.0037 in Valves - Valve Stem-to-Guide Clearance - Production - Exhaust 0.025-0.066 mm | 0,001-0,0026 in Valves - Valve Stem-to-Guide Clearance - : si 0.093 mm 0.0037 in Service - Exhaust « Valve Rocker Arm - Valve Rocker Arm 1.70:1 Ratio 2 « Valve Springs - Valve Spring Free Length 53.4 mm 2.1in « Valve Springs - Valve Spring Installed Assen ae Height Valve Springs - Valve Spring Load - Closed 400 N at 45.75 mm 0 Ib at 1.8 in 7 . 1310 N at 31.75 . « Valve Springs - Valve Spring Load- Open Nn 294 Ib at 1.25 in SEALERS, ADHESIVES, AND LUBRICANTS, Sealers, Adhesives, and Lubricants GM Part Number United Application Type of Material | States_| Canada Coolant Sensor Threads Sealant 12346004 | 10953480 Cylinder Head Core Hole Plugs Threadlock 12345382 | 10953489 Cylinder Head Expansion Plugs Threadlock 10953489 Engine Block Front Oil Gallerv Plue Threadlock 109534892004 Chevrolet Corvette 2004 ENGINE PERFORMANCE Engine Mechanical (Introduction) - 5.7L - Corvette Engine Block Plug Sealing Washers Sealant 12346004 10953480 Engine Flywheel Bolt Threads. Threadlock 12345382 10953489 Engine Oil 5W-30 Synthetic | iosqsgas | 10953468 Engine Oil Supplement Fluorescent Dye_| 12345795 | 10953470 Exhaust Manifold Bolt Threads Threadlock 12345493 10953488 Fuel Rail Bolt Threads Threadlock | 12345382 | 10953489 ry Threadlock | 12345382 | 10953489 Intake Manifold Bolt Threads Threadlock 12345382 10953489 Oi Pan Surface at Front and Rear Sealant 10378190 : ‘overs Oil Pressure Sensor Threads Sealant 12346004 10953480 Thread Repair Component Cleaner Cleaner 12346139 10953463 Thread Repair Component Cleaner Cleaner 12377981_| 10953463 Thread Repair Cutting Oil Lubricant 1052864 992881 THREAD REPAIR SPECIFICATIONS Engine Block - Front View2004 Chevrolet Corvette 2004 ENGINE PERFORMANCE Engine Mechanical (Introduction) - 5.7L - Corvette Engine Block - Front View Fig. 1: Engine Block Bolt Holes Component View - Front View Courtesy of GENERAL MOTORS CORP. Drill] Tap Depth- | Depth - ‘Thread [Counterbore Maximum| Maximum Hole| Size | Insert | Dritt | Toot | Tap | Driver| mm (in) | mm (in) 7 | 4 7 | J 16 | MISE | 4238s. | 4258s-| 1 42385-207 |42385-|42385-| ses) | coeds) 25 | “a10_| 206 208 | 209 MI0x | 453, y : | 19.5 7 | MI® | 4239s-|42385-) 142385-212 | 42385-|42385-) Goan | (767) 215 | 211 213. | 214 M10x| jo2¢6 | 453 Taleo 25.0 8 | MIQ% 4238s. |42385-| J 42385-212 | 42385-| 42385- [32.5 (1.28) @ ogy 215 | 211 213. | 214 5 yt | 4 yt | 4 9 | MSX | anaes. | 42385. 142385.207 | 42385-] 42385-] ges) | aaa) 25 | “a10 | 206 208 | 209 mox!|J. |! yt] J to | MIOX 4ases-| 42385-] 1 42385-212 | 42385-[42385-] Thru | Thru 215 | 2U1 213. | 214 yt | yt | 4 al Hs 42385- | 42385- | J 42385-207 | 42385- | 42385- fora) ocen 3 | 125 |"a10 | “206 208 | 209 M8x | yee | 494, a 18.0 4 | MSX |42385-|42385-] 142385-207 |42385-]42385-) Thu | 1599) 210 | 206 208 | 209 mpage g y y 25 175 15 | MSS | 42385-) 42385-) 5 2385-207 |42385-]42385-| ses) | (o.cga) 23 | 510 | 206 208 | 209 5 yt | 4 7 | 4 16 | MSS | 42585-| 42385-] 5 42385-207 | 42385-]42385-| Thu | (9 S09) 25 | "310 | 206 208 | 209 17-] M8x | so 2e6 ta5d J layigs.| 225 | 175 by | MSE | 42385-| 42385-| 5 42385-207 |] 42385-|42385-| gees) | (aces) 210 | 206 208 | 209 E Engine Block - Rear View2004 Chevrolet Corvette 2004 ENGINE PERFORMANCE Engine Mechanical (Introduction) - 5.7L - Corvette 2: Engine Block Bolt Holes Courtesy of GENERAL MOTORS CORP. Engine Block - Rear View mponent View - Rear View Drill] Tap Depth - | Depth - Thread Counterbore Maximum|Maximum Hole| Size | Insert | Drill | Tool | Tap |Driver| mm (in) | mm (in) i J J J 1 | MIC) gases. | 423es-| 1 42385-212 | 42385- | 42385- [27.0 (1.06)| G4 215 | 21 213 | 214 (0.846) M8x | 4,3 } } 22.5 175 aa | MISS | 42385- | 42585-| 142385-207 | 42385-] 42385-| se.) | (ggg) 5 | “a10 | 206 208 | 209 | | k M10x| yy3) } } } 215 5-6 | MIS * | 42585- | 42585-| 142385-212 | 42385-] 42385- 27.0 (1.06)| 66 g46) 215 | 211 213 | 214 ( M8x | ayes | ao i Jef 25 175 7-13| M8X | a2ags-| 42385-| 1 42385-207 | 42385-|42385-| g's | oiegg : 210 | 206 208 | 209 | (0-885) | (0.688) 14- | M10 x 21.5 i J |3423es-212] J J 27.01.06) 21: 16 | 15 | 49395-| 49385- 42385- | 42385- (0.846)2004 Chevrolet Corvette 2004 ENGINE PERFORMANCE Engine Mechanical (Introduction) - 5.7L - Corvette 215 211 213 214 17- | M8 a a a 22.5 17.5 18 1 3S 42385- | 42385- | J 42385-207 | 42385- | 42385- (0.885) (0.688) ~ 210 206 208 209 Engine Block - Left Side View Fig. 3: Engine Block Bolt Holes Component View - Left Side View Courtesy of GENERAL MOTORS CORP. Engine Block - Left Side View Drill Tap Depth- | Depth - Thread Counterbore Maximum|Maximum Hole| Size | Insert | Drill | Tool _ | Tap | Driver | mm (in) | mm (in) 542385 1 MEX) wa | wa} oA | NA] NA | N/A | N/A M8 x 28.5 23.0 2 125 210 206 207 208 209 (1.122) (0.905) MB x 215 | (16.0 3 | MS* | 210 | 206 | 207 | 208 | 209 | oar | a.eas2004 Chevrolet Corvette 2004 ENGINE PERFORMANCE Engine Mechanical (Introduction) - 5.7L - Corvette M10x 3 29.0 23.0 4 125 215 211 212 213 214 (141) (0.905) MI0x 7 27.0 21.5 5 15 215 211 212 213 214 (1.062) (0.846) 6 |MISX| wa | A] NA | NA NA | NA NA MIIx 20 ; 40 | 1150 7 First 108 105 N/A 106 107 (4.88) (4.32) Design MIlx 2.0 7 Senn 108 105 N/A 106 107 |69.0 (2.72)|60.0 (2.36) Design MIlx 8 |MIIX! tos | tos | NA | 106 | 107. |69.0(2.72)|60.0 2.36) tap. 124.0 mm (4.88 in) drill depth + Bolt holes 7, second design, and 8 have a 30 mm (1.18 in) counterbore included in the 69.0 mm (2.72 in) drill depth. Use sleeve J 42385-315 with the drill and Bolt holes 7, first design, have a 85 mm (3.34 in) counterbore included in the Engine Block - Right Side View2004 Chevrolet Corvette 2004 ENGINE PERFORMANCE Engine Mechanical (Introduction) - 5.7L - Corvette Engine Block - Right Side View fig. 4: Engine Block Bolt Holes Component View - Right Side View Courtesy of GENERAL MOTORS CORP. Drill Tap Depth- | Depth - Thread Counterbore| Maximum |Maximum Hole| Size | Insert | Drill | Toot | Tap | Driver | mm (in) | mm (in) J 42385 M28x 22.5 17.5 2 2 2 L|NB5*| 210 | 206 | 207 | 208 | 209 | Gass) | orceay M8 x 19.0 2 125 210 206 207 208 209 = |26.5 (1.04) (0.784) 3 Mw 10s | 105 N/A 106 | 107 |69.0 (2.72)|60.0 (2.36) M10x 290 | 230 4 125 215 211 212 213 214 (141) (0.905) MI0x 27.0 21.5 5 13 215 211 212 213 214 (1.062) (0.846) 6 |MISX! wa | NA] NA | NA] NA |N/A NIA2004 Chevrolet Corvette 2004 ENGINE PERFORMANCE Engine Mechanical (Introduction) - 5.7L - Corvette MII x ; 1240 | 115.0 7 | 108 | 105 N/A 106 | 107 | Giga) | (452) Design M11 x 2.0 7 | second} 108 | 105 N/A 106 | 107 |69.0 (2.72)|60.0 (2.36) Design + Bolt holes 7, second design, and 3 have a 30 mm (1.18 in) counterbore included in the 69.0 mm (2.72 in) drill depth. Use sleeve J 42385-315 with the drill and tap. 124.0 mm (4.88 in) drill depth. Bolt holes 7, first design, have a 85 mm (3.34 in) counterbore included in the Engine Block - Bottom View Engi ine Block - Bottom View Fig. 5: Engine Block Bolt Holes Component View - Bottom View Courtesy of GENERAL MOTORS CORP. Drill Depth - Tap Depth -2004 Chevrolet Corvette 2004 ENGINE PERFORMANCE Engine Mechanical (Introduction) - 5.7L - Corvette Thread |Counterbore Maximum|Maximum Hole| Size | Insert | Drill Tool Tap_|Driver| mm (in) | mm (in) MI0x J J J J 1 |MJOx | 4o3gs-| 42385-| = | 42385-] 42388- [31.0 (1.22)| 25.5 (1.0) 20 | “toa | tor 102_| 103 miox!t. 1! Jd 2 20 42385- | 42385- - 42385- | 42385- |53.5 (2.10)|44.0 (1.73) 104 101 102 103 Nie es : : : oe 175 3 | MSS |4z3es- | 42385-| 142385.207 | 42585-] 42385-] 's95) | o.aas “- 210 206 208 209 ~ . MI0x J J J J 4 20 42385- | 42385- - 42385- | 42385- |31.0 (1.22) 25.5 (1.0) 2.0 | “toa | tor 102_| 103 aera (aa J | d 5 20 42385- | 42385- - 42385- | 42385- |53.5 (2.10)|44.0 (1.73) 104 101 102 103 MI6x 6 tas | : : To : : 7 [NA | - - - - - - - M8x J J J J 22.5 17.5 8 | MSF |4238s-|4238s-| 142385-207 | 42385-|42385-/ Ge) | cous) 25 | p10 | 206 208 | 209 miox)t.1! J; J 9 20 42385- | 42385- - 42385- | 42385- |31.0 (1.22) 25.5 (1.0) 104 101 102 103 10- | M10 x | 444, : : : Msg {42385-|4238s-] = | 42385-] 42385- |53.5 (2.10)|44.0 (1.73) 104 101 102 103 J J J J MIOx my 3 3 12 20 42385- | 42385- - 42385- | 42385- |31.0 (1.22) 25.5 (1.0) * 104 101 102 103 J | d J | d Wi a * | 49385- | 42385- - 42385- | 42385- |42.5 (1.67)|37.0 (1.45) 215 101 213 214 M8x J J J J 22.5 17.5 is | MS® |4z3as-|42385-| 1 42385-207 | 42385-] 42385-] ses) | o cga) 25 | a10 | 206 208 | 209 E y MI6x 16 15 - - - - - - - y | 7 | a 5 7 MIO x | 42385- | 42385- - 47385- | 42385- 53.5 (2.10)}44.0 (1.73)2004 Chevrolet Corvette 2004 ENGINE PERFORMANCE Engine Mechanical (Introduction) - 5.7L - Corvette 2.0 104 101 102 103 MI0x J J J J 18 20 42385- | 42385- - 42385- | 42385- |31.0 (1.22) 25.5 (1.0) 20 | “toa | tor 102_|_ 103 M8x | y4) i i y 25 175 19 125 42385- | 42385- | J 42385-207 | 42385- | 42385- (0.885) © 688) . 210 206 208 209 . MI0x J J J J 20 |MIO* |aasgs-|42385-] =| 4238s- | 42385-]53.5 (2.10)|44.0 (1.73) 104_| 101 102_|_ 103 miox!t.1 i td 21 20 42385- | 42385- - 42385- | 42385- |31.0 (1.22) 25.5 (1.0) * 104 101 102 103 Nie bes : : : oe 175 22 125 42385- | 42385- | J 42385-207 | 42385- | 42385- (0.885) (0.688) “- 210 206 208 209 ~ . MI0x J J J J 23 |MI0* | qaags.|4038s-] = | 42385-] 42388-|31.0 (1.22)| 25.5 (1.0) 20 | “toa | tor 102_| 103 miox!t.1! J | d 24 20 42385- | 42385- - 42385- | 42385- |53.5 (2.10)|44.0 (1.73) 104 101 102 103 25- | MBX | soags. | 4zdes-| 142305-207 | 43es-| anaes. 225 ve 26 | 1.25 |42385-) 4238: 3R8S- | 42985-| (0.885) | (0.688) MI0x J J J J 27 20 42385- | 42385- - 42385- | 42385- |31.0 (1.22) 25.5 (1.0) 2.0 | “toa | tor 102_| 103 28- | M10x| 43 i cea 09 20 42385- | 42385- - 42385- | 42385- |53.5 (2.10)|44.0 (1.73) 104 101 102 103 MI0x J J J J 30 |MIOX | 4a3as-]4238s-| = | 42385- | 42385- 31.0 (1.22)] 25.5 (1.0) 104 | 101 102 | 103 J | J | J 31 se 42385- | 42385- | J 42385-207 | 42385- | 42385- foray @ can 210 206 208 209 M28 x 32 | 25 | 7 : : : : : : J J J J 33 Ma 42385- | 42385- | J 42385-207 | 42385- | 42385- fous) @ fae ~ 210 206 208 2092004 Chevrolet Corvette 2004 ENGINE PERFORMANCE Engine Mechanical (Introduction) - 5.7L - Corvette MI0x J J J J 34 20 42385- | 42385- - 42385- | 42385- |53.5 (2.10)|44.0 (1.73) 104 101 102 103 M10x J J J J 35 20 42385- | 42385- - 42385- | 42385- /31.0 (1.22)] 25.5 (1.0) 104 101 102 103 M8 x a J J J ane |) 36 1.25 42385- | 42385- | J 42385-207 | 42385- | 42385- (0.885) 0 688) ~ 210 206 208 209 counterbore included in the 53.5 mm (2.10 in) drill depth * Bolt holes 2, 5, 10, 11, 18, 21, 24, 28, 29, and 34 have a 20.5 mm (0.807 in) # Bolt holes 1, 4, 9, 12, 17, 20, 23, 27, 30, and 35 have a 1.5 mm (0.059 in) counterbore included in the 31.0 mm (1.22 in) drill depth. Use sleeve J 42385- 316 with the drill and tap. * Bolt holes 13 and 14 have a 11.5 mm (0.452 in) counterbore included in the 42.5 mm (1.67 in) drill depth. Use sleeve J 42385-311 with the drill and tap. Engine Block - Top View Fig. 6: Engine Block Bolt Holes Component View - Top View Courtesy of GENERAL MOTORS CORP.2004 Chevrolet Corvette 2004 ENGINE PERFORMANCE Engine Mechanical (Introduction) - 5.7L - Corvette Engine Block - Top View Drill Tap Depth - | Depth - Thread |Counterbore| Maximum|Maximum Hole| Size | Insert | Drill Tool Tap_|Driver| mm (in) | mm (in) J J J J 1-4 Mes 42385- | 42385- | J 42385-207 | 42385- | 42385- |26.5 (1.04) aE 210 206 208 209 MI6x Sas | 7 : : ~ : : 7 | 7 | a 6-7 Mes 42385- | 42385- | J 42385-207 | 42385- | 42385- |26.5 (1.04) aE 210 206 208 209 Ml0x| 44 } } 22.5 170 8 | MIS% 4238s. |42385-| J 42385-212 | 42385-|42385-] ses) | (o.¢60) 216 | 211 213 | 214 b M8x J J J J 19.0 9-10 1.25 42385- | 42385- | J 42385-207 | 42385- | 42385- |26.5 (1.04)! (0.784) a 210 206 208 209 11 MI0x ee ee J 42385-212 OE: ne 22.5 17.0 15 216 211 213 214 (0.885) (0.669) 12-| Msx | 44, j j 19.0 Ta | y5g: |42385-|42385-| 4 42385-207 | 42385. | 42385- 26.5 (1.04)) (6 32 25 | “310 | 206 208 | 209 Cylinder Head - Top View Fig. 7: Cylinder Head Bolt Holes Component View - Top View Courtesy of GENERAL MOTORS CORP.2004 Chevrolet Corvette 2004 ENGINE PERFORMANCE Engine Mechanical (Introduction) - 5.7L - Corvette Cylinder Head - Top View Drill Tap Depth - | Depth - Thread |Counterbore| Maximum|Maximum Hole} Size | Insert | Drill Tool Tap_|Driver| mm (in) | mm (in) J J J J 1-5 Mes 42385- | 42385- | J 42385-207 | 42385- | 42385- |26.5 (1.04) nee 210 206 208 209 ( M6 } j j J. | 20.05 | 16.05 6-9 | NOX |42385-|42385-| 142385-202 | 42385-] 42385-) G89) | ean, 205 | 201 203 | 204 Ee 10- | M&x J J J J 19.0 D 125 42385- | 42385- | J 42385-207 | 42385- | 42385- |26.5 (1.04)! (0.784) 210 | 206 208 | 209 Cylinder Head - End View : oJ & ' 2 4 3 Fig. 8: Cylinder Head Bolt Holes Component View - End View Courtesy of GENERAL MOTORS CORP. Cylinder Head - End View Drill Tap Depth- | Depth- Thread ICounterbore| /Maximum|Maximum2004 Chevrolet Corvette 2004 ENGINE PERFORMANCE Engine Mechanical (Introduction) -§.7L- Corvette Hole| Size | Insert | Drill Tool Tap_|Driver| mm (in) | mm (in) J J J J 1 Me * | 49385- | 42385-] J 42385-212 | 42385- | 42385- |28.0 (1.10)| OTe 3 | ais | 211 213 | 214 ( 2 ~ | NIA 5 : 5 5 : = t | Td 3 Me * | 49385- | 42385-] J 42385-212 | 42385- | 42385-|28.0 (1.10)) nae 215 | 211 213 | 214 ( 7 [Nal zi : ean : Fi 7 | T ) 5-6 Me * | 49385-| 42385- J 42385-212 | 42385- | 42385- |28.0 (1.10) nae 215 211 213 214 ( Cylinder Head - Exhaust Manifold Deck View Fig. 9: Cylinder Head Bolt Holes Component View - Exhaust Manifold Deck View Courtesy of GENERAL MOTORS CORP. Cylinder Head - Exhaust Manifold Deck View Drill Tap Depth- | Depth - Thread \Counterbore| Maximum|Maximum Hole| Size | Insert | Drill Tool Tap_|Driver| mm (in) | mm (in) J J J J 2 1-2 Me * | 42385- | 42385-| J 42385-212 | 42385- | 42385- |28.0 (1.10)) one 215 | 211 213. | 214 E ys | yd 3 ee 42385- | 42385- | J 42385-207 | 42385- | 42385- no nee) 210 | 206 208 | 209 | (0-826) | ¢ MI4x