GMC gasoline V8 LS based GM small-block Generation III 325 CID (5.3 L) Vortec 5300 LM7 (2000-2003)
GMC gasoline V8 LS based GM small-block Generation III 325 CID (5.3 L) Vortec 5300 LM7 (2000-2003) is an 5328 cc (4.69 UK qt.) internal combustion reciprocating V8 engine. It has bore/stroke ratio of 96 mm × 92 mm (3.78 in × 3.62 in), and uses 9.45:1 compression. This engine was rated 285 hp (212.52 kW) at 5200 rpm and 325 lbf⋅ft (440.64 N⋅m) of torque at 4000 rpm. It was used in Chevrolet and GMC cars.
Parameter | Output |
---|---|
Power Rating | 285 hp (212.52 kW) at 5200 RPM |
Torque Rating | 325 lbf⋅ft at 4000 RPM |
Parameter | Value |
---|---|
Type | Internal Combustion Reciprocating |
Fuel Type | Gasoline |
Cylinder Configuration | V8 |
Engine Displacement | 325.13 in³ |
Bore | 3.78 in |
Stroke | 3.62 in |
Compression Ratio | 9.45:1 |
Firing Order | 1-8-7-2-6-5-4-3 |
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Parameter | Value |
---|---|
Block Material | Cast iron |
Crankshaft Material | Cast nodular iron |
Piston Material | Cast alloy aluminum |
Piston Pin Material | Chromium steel |
Connecting Rod Material | Powdered metal |
Parameter | Value |
---|---|
Spark Plugs | 25171803, 12567759 |
Spark Plug Gap | 0.06 in |
Wires Resistance (nominal) | 1000 ohms per foot |
Parameter | Value |
---|---|
Head Material | Cast aluminum alloy |
Valvetrain Type | OHV |
Valves per Cylinder | 2 |
Camshaft Material | Billet steel one piece |
Parameter | Value |
---|---|
Air Intake Method | Naturally Aspirated |
Parameter | Value |
---|---|
Injection Type | Multi Point |
Parameter | Value |
---|---|
Oil Pump | Gerotor type |
Oil Pump Pressure | 24 Psi at 4000 RPM |
Parameter | Value |
---|---|
Water Pump | Centrifugal vane impeller type pump |
Condition | Value |
---|
expand_moreEngine mechanical general specifications
Camshaft bearing bore 1 and 5 ⌀ | 2.33–2.33 in |
Camshaft bearing bore 2 and 4 ⌀ | 2.32–2.32 in |
Camshaft bearing bore 3 ⌀ | 2.31–2.31 in |
Crankshaft main bearing bore diameter | 2.751–2.752 in |
Crankshaft main bearing bore out-of-round | 0.00024 in |
Cylinder bore diameter | 3.78–3.78 in |
expand_moreCylinder bore taper
Thrust side | 0.00071 in |
expand_moreCylinder head deck height
Measuring from the centerline of crankshaft to the deck face | 9.24–9.24 in |
expand_moreCylinder head deck surface flatness
Measured within a 152.4 mm (6.0 in) area | 0.0043 in |
Measuring the overall length of the block deck | 0.0087 in |
Valve lifter bore diameter | 0.843–0.844 in |
expand_moreCamshaft
Camshaft end play | 0.00098–0.012 in |
Camshaft journal ⌀ | 2.16–2.17 in |
Camshaft journal out-of-round | 0.00098 in |
expand_moreCamshaft lobe lift
Exhaust | 0.27 in |
Intake | 0.27 in |
expand_moreCamshaft runout
Measured at the intermediate journals | 0.002 in |
expand_moreConnecting rod
expand_moreConnecting rod bearing clearance
Production | 0.00091–0.0026 in |
Service | 0.00091–0.003 in |
expand_moreConnecting rod bore diameter
Bearing end | 2.225–2.225 in |
expand_moreConnecting rod bore out-of-round
expand_moreBearing end
Production | 0.00016–0.00031 in |
Service | 0.00016–0.00031 in |
Connecting rod side clearance | 0.0043–0.02 in |
expand_moreCrankshaft
expand_moreConnecting rod journal diameter
Production | 2.099–2.1 in |
Service | 2.099 in |
expand_moreConnecting rod journal out-of-round
Production | 0.0002 in |
Service | 0.00039 in |
expand_moreConnecting rod journal taper
expand_moreMaximum for 1/2 of journal length
Production | 0.0002 in |
Service | 0.00079 in |
Crankshaft end play | 0.0016–0.0079 in |
expand_moreCrankshaft main bearing clearance
Production | 0.00079–0.002 in |
Service | 0.00079–0.0026 in |
expand_moreCrankshaft main journal diameter
Production | 2.559–2.559 in |
Service | 2.559 in |
expand_moreCrankshaft main journal out-of-round
Production | 0.00012 in |
Service | 0.00031 in |
expand_moreCrankshaft main journal taper
Production | 0.00039 in |
Service | 0.00079 in |
Crankshaft rear flange runout | 0.002 in |
expand_moreCrankshaft reluctor ring runout
Measured 1.0 mm (0.04 in) below tooth diameter | 0.028 in |
expand_moreCrankshaft thrust surface
Production | 1.03–1.03 in |
Service | 1.03 in |
Crankshaft thrust surface runout | 0.00098 in |
expand_moreCylinder head
expand_moreCylinder head thickness
Measured from the cylinder head deck to the valve rocker arm cover seal surface | 4.73 in |
expand_moreSurface flatness
expand_moreBlock deck
Measured within a 152.4 mm (6.0 in) area | 0.0031 in |
Measuring the overall length of the cylinder head | 0.0039 in |
Exhaust manifold deck | 0.0051 in |
Intake manifold deck | 0.0031 in |
expand_moreValve guide installed height
Measured from the spring seat surface to the top of the guide | 0.68 in |
expand_moreIntake manifold
expand_moreSurface flatness
Measured at gasket sealing surfaces and measured within a 200 mm (7.87 in) area that includes 2 runner port openings | 0.012 in |
expand_moreOil pan
expand_moreFront cover alignment
expand_moreAt the oil pan
expand_moreRear cover alignment
expand_moreAt the oil pan
expand_moreOil pan alignment
expand_moreTo rear of the engine block at the transmission bell housing mounting surface
expand_morePiston rings
expand_morePiston ring end gap
expand_moreFirst compression ring
expand_moreMeasured in cylinder bore
Production | 0.0091–0.017 in |
Service | 0.0091–0.02 in |
expand_moreSecond compression ring
expand_moreMeasured in cylinder bore
Production | 0.017–0.028 in |
Service | 0.017–0.03 in |
expand_moreOil control ring
expand_moreMeasured in cylinder bore
Production | 0.0071–0.03 in |
Service | 0.0071–0.032 in |
expand_morePiston ring to groove clearance
expand_moreFirst compression ring
Production | 0.0016–0.0033 in |
Service | 0.0016–0.0033 in |
expand_moreSecond compression ring
Production | 0.0016–0.0031 in |
Service | 0.0016–0.0031 in |
expand_moreOil control ring
Production | 0.00047–0.0079 in |
Service | 0.00047–0.0079 in |
expand_morePistons and pins
expand_morePiston
expand_morePiston diameter
Measured over skirt coating | 3.78–3.781 in |
expand_morePiston to bore clearance
Production | −0.0014–+0.00063 in |
Service limit with skirt coating worn off | 0.0028 in |
expand_morePin
Piston pin fit in connecting rod bore | 0.00079–0.0017 in |
interference |
expand_morePiston pin clearance to piston pin bore
Production | 0.00028–0.00079 in |
Service | 0.00028–0.00083 in |
Piston pin diameter | 0.945–0.945 in |
expand_moreValve system
expand_moreValves
Valve face angle | 45° |
Valve face width | 0.049 in |
Valve lash | Net Lash - No Adjustment |
expand_moreValve lift
Intake | 0.46 in |
Exhaust | 0.47 in |
Valve seat angle | 46° |
Valve seat run-out | 0.002 in |
expand_moreValve seat width
Exhaust | 0.07 in |
expand_moreSeat width
Intake | 0.04 in |
expand_moreValve stem diameter
Production | 0.313–0.314 in |
Service | 0.31 in |
expand_moreValve stem-to-guide clearance
expand_moreProduction
Intake | 0.00098–0.0026 in |
Exhaust | 0.00098–0.0026 in |
expand_moreService
Intake | 0.0037 in |
Exhaust | 0.0037 in |
expand_moreRocker arms
Valve rocker arm ratio | 1.70:1 |
expand_moreValve springs
Valve spring free length | 2.08 in |
Valve spring installed height | 1.8 in |
expand_moreValve spring load
Closed | 340 N |
at 45.75 mm | |
Open | 980 N |
at 33.55 mm |
expand_moreElectric engine
expand_moreBattery
expand_moreBase
Cold Cranking Amperage (CCA) | 600 A |
Reserve capacity rating | 115 Minutes |
Replacement Battery Number | 78-6YR |
expand_moreDual (optional)
Cold Cranking Amperage (CCA) | 770 A |
Reserve capacity rating | 115 Minutes |
Replacement Battery Number | 78-7YR |
Starter motor | PG-260G |
expand_moreGenerator
expand_moreBase
Generator model | Delphi AD230 |
Rated Output | 102 A |
Load test output | 71 A |
expand_moreDual (optional)
Generator model | Delphi AD244 |
Rated Output | 130 A |
Load test output | 91 A |
expand_moreBosch Generator
Generator model | Bosch 15755900 |
Rated Output | 130 A |
Load test output | 91 A |
Condition | Value |
---|
expand_moreEngine mechanical general specifications
Air cleaner outlet ducts bracket | 5.16 lbf⋅ft |
Air conditioning belt tensioner screws | 36.88 lbf⋅ft |
Battery wiring harness channel bracket screws | 8.85 lbf⋅ft |
Camshaft retainer screws | 18.44 lbf⋅ft |
Camshaft sensor screws | 18.44 lbf⋅ft |
Camshaft sprocket screws | 25.81 lbf⋅ft |
expand_moreConnecting rod screws
First stage | 14.75 lbf⋅ft |
Final stage | 75° |
Coolant temperature sensor | 14.75 lbf⋅ft |
expand_moreCrankshaft balancer screws
Installation pass | 243.4 lbf⋅ft |
to Ensure the Balancer is Completely Installed | |
First stage | 36.88 lbf⋅ft |
Replace bolts. | |
Final stage | 140° |
expand_moreCrankshaft bearing cap screws
expand_moreInner screws
First stage (in sequence) | 14.75 lbf⋅ft |
Final stage (in sequence) | 80° |
expand_moreOuter screws
First stage (in sequence) | 14.75 lbf⋅ft |
Final stage (in sequence) | 51° |
Crankshaft bearing cap lateral screws | 18.44 lbf⋅ft |
Crankshaft oil deflector nuts | 18.44 lbf⋅ft |
Crankshaft position sensor (CKP) screws | 18.44 lbf⋅ft |
Crossbar screws | 73.76 lbf⋅ft |
expand_moreCylinder head screws
First stage (all M11 bolts in sequence) | 22.13 lbf⋅ft |
Second stage (all M11 screws in sequence) | 90° |
Final stage (all M11 bolts in sequence) | 90° |
Inner M8 screws (in sequence) | 22.13 lbf⋅ft |
Cylinder head coolant plug | 14.75 lbf⋅ft |
Differential carrier lower bracket bolts and nuts | 73.76 lbf⋅ft |
Drive belt idler screws | 36.88 lbf⋅ft |
Drive belt tensioner screws | 36.88 lbf⋅ft |
Engine block coolant drain plugs | 44.25 lbf⋅ft |
Engine block heater | 29.5 lbf⋅ft |
Engine block oil gallery plugs | 44.25 lbf⋅ft |
Engine coolant air bleed tube and cover screws | 8.85 lbf⋅ft |
expand_moreEngine flywheel screws
First stage | 14.75 lbf⋅ft |
Second stage | 36.88 lbf⋅ft |
Final stage | 73.76 lbf⋅ft |
Engine front cover screws | 18.44 lbf⋅ft |
expand_moreEngine ground harness screws
Right rear | 11.8 lbf⋅ft |
To the engine block | 18.44 lbf⋅ft |
Engine mount bracket screws | 36.88 lbf⋅ft |
Engine mount bracket through-screws | 55.32 lbf⋅ft |
Engine mount frame lateral screws | 47.94 lbf⋅ft |
Engine mount bracket screws | 36.88 lbf⋅ft |
Engine rear cover screws | 18.44 lbf⋅ft |
Engine service lift bracket M10 screws | 36.88 lbf⋅ft |
Engine service lift bracket M8 screws | 18.44 lbf⋅ft |
Engine shield screws | 14.75 lbf⋅ft |
Engine valley cover screws | 18.44 lbf⋅ft |
Engine wiring harness bracket nuts | 3.69 lbf⋅ft |
EVAP purge valve screws | 7.38 lbf⋅ft |
expand_moreExhaust manifold screws
First stage | 11.06 lbf⋅ft |
Final stage | 18.44 lbf⋅ft |
Exhaust manifold heat shields | 6.64 lbf⋅ft |
Fuel rail screws | 7.38 lbf⋅ft |
Fuel rail cover screws | 6.64 lbf⋅ft |
Fuel rail crossover tube screws | 2.8 lbf⋅ft |
Fuel rail stop bracket screws | 36.88 lbf⋅ft |
Generator bracket | 36.88 lbf⋅ft |
Generator wiring harness nuts | 6.64 lbf⋅ft |
Heater hose bracket nuts | 6.64 lbf⋅ft |
Hood hinge screws | 18.44 lbf⋅ft |
Ignition coil to bracket screws | 7.38 lbf⋅ft |
Ignition coil bracket to valve rocker arm cover screws | 8.85 lbf⋅ft |
Inner axle housing nuts | 73.76 lbf⋅ft |
expand_moreIntake manifold screws
First stage (in sequence) | 3.69 lbf⋅ft |
Final stage (in sequence) | 7.38 lbf⋅ft |
Intake manifold sight shield screws | 7.38 lbf⋅ft |
Intake manifold sight shield bracket screws | 3.69 lbf⋅ft |
Intake manifold sight shield retainer screws | 3.69 lbf⋅ft |
Intake manifold wiring harness stud screws | 7.38 lbf⋅ft |
Knock sensors | 14.75 lbf⋅ft |
Mass air flow (MAF) sensor clamp | 5.16 lbf⋅ft |
Oil filter | 22.13 lbf⋅ft |
Oil filter fitting | 40.57 lbf⋅ft |
Oil level indicator tube screws | 18.44 lbf⋅ft |
Oil level sensor | 9.59 lbf⋅ft |
Oil pan baffle screws | 8.85 lbf⋅ft |
expand_moreOil pan closeout cover screws
Left side | 6.64 lbf⋅ft |
Right side | 6.64 lbf⋅ft |
Oil pan cover screws | 8.85 lbf⋅ft |
Oil pan drain plug | 18.44 lbf⋅ft |
expand_moreOil pan M8 screws
Oil pan to the engine block and oil pan to the front cover | 18.44 lbf⋅ft |
expand_moreOil pan M6 screws
Oil pan to the rear cover | 8.85 lbf⋅ft |
Oil pan skid plate screws | 14.75 lbf⋅ft |
Oil pressure sensor | 14.75 lbf⋅ft |
Oil pump to the engine block screws | 18.44 lbf⋅ft |
Oil pump cover screws | 8.85 lbf⋅ft |
Oil pump relief valve plug | 8.85 lbf⋅ft |
Oil pump screen nuts | 18.44 lbf⋅ft |
Oil pump screen to the oil pump screws | 8.85 lbf⋅ft |
Positive battery wiring harness bracket screws | 6.64 lbf⋅ft |
Power steering pump rear screws | 36.88 lbf⋅ft |
expand_moreSpark plugs
New cylinder heads | 14.75 lbf⋅ft |
All subsequent installations | 11.06 lbf⋅ft |
Throttle body nuts | 7.38 lbf⋅ft |
Throttle body stud screws | 4.43 lbf⋅ft |
expand_moreTorque converter screws
4L60-E and 4L65-E transmissions | 46.47 lbf⋅ft |
4L80-E and 4L85-E transmissions | 44.25 lbf⋅ft |
Transmission stud screws | 36.88 lbf⋅ft |
Transmission cover screws | 8.85 lbf⋅ft |
Transmission oil level indicator tube nuts | 13.28 lbf⋅ft |
Valve lifter guide screws | 8.85 lbf⋅ft |
Valve rocker arm screws | 22.13 lbf⋅ft |
Valve rocker arm cover screws | 8.85 lbf⋅ft |
Water inlet bracket screws | 11.06 lbf⋅ft |
expand_moreWater pump screws
First stage | 11.06 lbf⋅ft |
Final stage | 22.13 lbf⋅ft |
Water pump cover screws | 11.06 lbf⋅ft |
expand_moreEngine cooling
Air cleaner outlet ducts bracket screws | 5.16 lbf⋅ft |
Coolant air bleed tube stud screws | 8.85 lbf⋅ft |
Coolant heater cord screws | 5.9 lbf⋅ft |
Coolant heater | 36.88 lbf⋅ft |
Engine block coolant drain plug | 44.25 lbf⋅ft |
Engine shield screws | 14.75 lbf⋅ft |
Exhaust manifold pipe nuts | 36.88 lbf⋅ft |
Fan clutch screws | 16.96 lbf⋅ft |
Fan clutch nuts | 41.3 lbf⋅ft |
Fan shroud screws | 6.64 lbf⋅ft |
Radiator screws | 18.44 lbf⋅ft |
Surge tank screws and nuts | 6.64 lbf⋅ft |
Thermostat housing screws | 11.06 lbf⋅ft |
Transmission control module (TCM) cover screws | 6.64 lbf⋅ft |
Transmission control module (TCM) electrical connector screws | 5.9 lbf⋅ft |
expand_moreWater pump screws
First stage | 11.06 lbf⋅ft |
Final stage | 22.13 lbf⋅ft |
expand_moreElectric engine
Auxiliary battery wiring harness bracket screws | 7.38 lbf⋅ft |
Auxiliary battery relay nuts | 6.64 lbf⋅ft |
Auxiliary battery tray nuts | 18.44 lbf⋅ft |
Auxiliary negative battery wiring harness screws | 12.54 lbf⋅ft |
Auxiliary positive battery wiring harness screws | 12.54 lbf⋅ft |
Auxiliary positive battery wiring harness nuts | 5.9 lbf⋅ft |
Auxiliary positive wiring harness to relay nuts | 6.64 lbf⋅ft |
Battery wiring harness bracket screws | 18.44 lbf⋅ft |
Battery wiring harness junction block bracket screws | 6.64 lbf⋅ft |
Battery hold down retainer screws | 18.44 lbf⋅ft |
Battery tray screws | 6.64 lbf⋅ft |
Auxiliary battery ground wiring harness screws | 11.8 lbf⋅ft |
Engine wiring ground harness screws | 11.8 lbf⋅ft |
Forward lamp wiring ground harness screws | 6.64 lbf⋅ft |
Front end diagonal brace screws | 6.64 lbf⋅ft |
Fuel bleed valve and positive crankcase ventilation (PCV) oil separator | 18.44 lbf⋅ft |
Generator bracket | 36.88 lbf⋅ft |
Generator screws | 36.88 lbf⋅ft |
Generator wiring harness nuts | 6.64 lbf⋅ft |
Ground strap nuts | 6.64 lbf⋅ft |
Negative Battery wiring harness screws | 12.54 lbf⋅ft |
Positive battery wiring harness screws | 12.54 lbf⋅ft |
Positive wiring harness at underhood bussed electrical center (UBEC) screws | 6.64 lbf⋅ft |
Starter screws | 36.88 lbf⋅ft |
Starter lead nuts | 6.64 lbf⋅ft |
Starter solenoid nuts | 2.51 lbf⋅ft |
Surge tank screws and nuts | 6.64 lbf⋅ft |
Transmission cover screws | 6.64 lbf⋅ft |
expand_moreEngine controls
Accelerator pedal bracket nuts | 14.75 lbf⋅ft |
Air cleaner outlet ducts bracket | 5.16 lbf⋅ft |
Brake pipe fittings to the ECM | 18.44 lbf⋅ft |
Camshaft position (CMP) sensor screws | 21.39 lbf⋅ft |
Crankshaft position sensor (CKP) screws | 18.44 lbf⋅ft |
Crossover fuel pipe bracket screws | 2.8 lbf⋅ft |
Electro-hydraulic control unit (EHCU) screws | 18.44 lbf⋅ft |
Engine coolant temperature sensor (ECT) | 14.75 lbf⋅ft |
Engine wiring harness bracket nuts | 3.69 lbf⋅ft |
EVAP canister bracket screws | 18.44 lbf⋅ft |
EVAP canister nuts | 7.38 lbf⋅ft |
EVAP canister purge valve screws | 8.11 lbf⋅ft |
EVAP ventilation valve bracket screws | 8.85 lbf⋅ft |
Fuel composition sensor nuts | 12.54 lbf⋅ft |
Fuel composition sensor bracket screws | 7.38 lbf⋅ft |
Fuel lines and EVAP nuts | 8.85 lbf⋅ft |
Fuel filler hose and ventilation tube clamps | 1.84 lbf⋅ft |
Fuel tank ground strap screws | 6.64 lbf⋅ft |
Fuel tank filler hose clamp | 1.84 lbf⋅ft |
Fuel tank filler housing to body screws | 1.7 lbf⋅ft |
Fuel tank filler hose housing to fuel tank screws | 1.7 lbf⋅ft |
Fuel line fittings | 18.44 lbf⋅ft |
Fuel line bracket screws | 8.85 lbf⋅ft |
Fuel rail screws | 7.38 lbf⋅ft |
Fuel return line attaching screws | 3.69 lbf⋅ft |
Fuel tank shield screws | 13.28 lbf⋅ft |
Fuel tank strap screws | 29.5 lbf⋅ft |
Heated oxygen sensor | 30.98 lbf⋅ft |
Ignition coil screws | 5.9 lbf⋅ft |
Knock sensor | 14.75 lbf⋅ft |
Mass air flow (MAF) sensor clamp | 5.16 lbf⋅ft |
Powertrain control module (PCM) electrical connector | 5.9 lbf⋅ft |
expand_moreSpark Plug
Used head | 11.06 lbf⋅ft |
New head | 14.75 lbf⋅ft |
Throttle actuator control (TAC) module nuts | 6.64 lbf⋅ft |
Throttle body nuts | 7.38 lbf⋅ft |
expand_moreExhaust system
Engine shield screws | 14.75 lbf⋅ft |
Exhaust heat shield screws | 6.64 lbf⋅ft |
expand_moreExhaust heat shield nuts
Body panel | 6.64 lbf⋅ft |
expand_moreExhaust manifold screws
First stage | 11.06 lbf⋅ft |
Final stage | 18.44 lbf⋅ft |
Exhaust manifold heat shields | 6.64 lbf⋅ft |
Exhaust manifold pipe bracket | 8.85 lbf⋅ft |
Exhaust manifold pipe nuts | 36.88 lbf⋅ft |
Exhaust muffler clamp | 22.13 lbf⋅ft |
Exhaust muffler hanger nuts | 36.88 lbf⋅ft |
Exhaust muffler nuts | 29.5 lbf⋅ft |
Exhaust pipe clamp | 29.5 lbf⋅ft |
Hood hinge screws | 18.44 lbf⋅ft |
Oil pan skid plate screws | 14.75 lbf⋅ft |
Outlet duct clamp | 4.43 lbf⋅ft |
Oxygen Sensor | 30.98 lbf⋅ft |
Rear shock absorber lower screws | 70.07 lbf⋅ft |
Transmission screws | 73.76 lbf⋅ft |