Generation 4 - 3.0L (2V) "Vulcan" Specifications

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1 4th Generation Vulcan Specifications

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4th Generation Vulcan Specifications

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Engine

Displacement: 2986 cc (182 cid), 3.0L
Number of cylinders: 6
Bore: 89.0 mm (3.50 in)
Stroke: 80.00 mm (3.15 in)
Firing order: 1-4-2-5-3-6
Oil pressure: (Hot 2,500 rpm) 276-414 kPa (40-60 psi)
Oil capacity: 4.25 L (4.5 qts) with filter change

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Cylinder Head and Valve Train

Combustion chamber volume: 47.1-50.1 cm (2.874 in)
Valve guide bore diameter: 7.042-7.017 mm (0.2772-0.2763 in)
Valve stem diameter — intake (standard): 6.971-6.991 mm (0.2744-0.2752 in)
Valve stem diameter — exhaust (standard): 6.959-6.979 mm (0.2740-0.2748 in)
Valve stem diameter — oversize (intake): 7.351-7.371 mm (0.289-0.290 in)
Valve stem diameter — oversize (exhaust): 7.339-7.359 mm (0.289-0.290 in)
Valve stem diameter — oversize (intake): 7.731-7.751 mm (0.304-0.305 in)
Valve stem diameter — oversize (exhaust): 7.719-7.739 mm (0.304-0.305 in)
Valve stem-to-guide clearance — intake: 0.026-0.071 mm (0.001-0.0028 in)
Valve stem-to-guide clearance — exhaust: 0.038-0.083 mm (0.0015-0.0033 in)
Valve head diameter — intake: 40.0 mm (1.57 in)
Valve head diameter — exhaust: 33.0 mm (1.30 in)
Valve face runout: 0.05 mm (0.002 in)
Valve face angle: 45 degrees
Valve seat width — intake: 1.5-2.0 mm (0.06-0.08 in)
Valve seat width — exhaust: 2.0-2.5 mm (0.08-0.10 in)
Valve seat runout (TIR): 0.078-0.098 mm (0.003-0.004 in)
Valve seat angle: 45 degrees
Valve spring free length (approx.): 46.4 mm (1.85 in)
Valve spring compression pressure: — valve open to maximum lift 857.0 - 967.0 N (193 - 217 lb) 29.74 mm (1.17 in)
Valve spring compression pressure: — valve closed 285 - 323 N (64 -72 lb) 40.52 mm (1.60 in)
Valve spring installed height: 41.98-44.17 mm (1.650-1.736 in)
Valve spring installed height: — service limit 10% force loss @ specified height Rocker arm ratio 1:61

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Hydraulic Lash Adjuster

Diameter: 22.206 mm (0.874 in)
Clearance-to-bore: 0.018-0.069 mm (0.0007-0.0027 in)
Service limit: 0.127 mm (0.005 in)
Hydraulic leakdown rate: 20-200 seconds to leakdown 3.18 mm (0.125 in) with 225 N (50 lbs) load and tappet filled with leak-down fluid
Collapsed lash adjuster gap: 2.23-4.77 mm (0.088-0.189 in)

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Camshaft

Theoretical valve lift: @ 0 lash — intake 10.26 mm (0.404 in)
Theoretical valve lift: @ 0 lash — exhaust 10.77 mm (0.424 in)
Lobe lift — intake: 6.38 mm (0.25 in)
Lobe lift — exhaust: 6.72 mm (0.26 in)
Allowable lobe lift loss: 0.127 mm (0.005 in)
Journal diameter: 50.987-51.013 mm (2.0074 - 2.0084 in)
Camshaft journal bore inside diameter — No. 1 and No. 4: 54.668-54.713 mm (2.1531-2.1541 in)
Camshaft journal bore inside diameter — No. 2 and No. 3: 54.188-54.213 mm (2.1334-2.1344 in)
Camshaft journal-to-bearing clearance: 0.025-0.076 mm (0.001-0.003 in)
Runout: 0.05 mm (0.002 in) Runout of No. 2 or No. 3 relative to No. 1 and No. 4
End play: 0.003 mm (0.007 in)

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Cylinder Block

Cylinder bore diameter: 89.00 mm (3.504 in)
Cylinder bore maximum taper: 0.050 mm (0.002 in)
Cylinder bore maximum out-of-round: 0.025 mm (0.001 in)
Cylinder bore maximum out-of-round — service limit: 0.050 mm (0.002 in)
Main bearing bore inside diameter: 68.905 mm (2.713 in) 68.885 mm (2.712 in)
Head gasket surface flatness: 0.08 mm (0.003 in) 152.0 mm (6.00 in)

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Crankshaft

Main bearing journal diameter: 63.983-64.003 mm (2.5190-2.5198 in)
Main bearing journal maximum taper: 0.06 mm (0.0006 in) Total 0.013 mm (0.0003 in) per 25 mm (1 in)
Main bearing journal maximum out-of-round: 0.0003 in
Connecting rod journal diameter: 53.983-54.003 mm (2.1253-2.1261 in)
Connecting rod journal maximum taper: 0.008 mm per 25 mm (0.0003 in per in)
Connecting rod journal maximum out-of-round: 0.006 mm (0.0003 in) max. 0.015 mm (0.0006 in) total
Crankshaft maximum end play: 0.10-0.20 mm (0.004-0.008 in)
Thrust bearing journal length: 25.775-25.825 mm (1.0148-1.067 in)

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Piston and Connecting Rod

Piston diameter — coded red: 88.962-88.978 mm (3.5024-3.5031 in)
Piston diameter — coded blue: 88.988-89.004 mm (3.5035-3.5041 in)
Piston diameter — coded yellow: 89.014-89.030 mm (3.5045-3.5051 in)
Piston-to-cylinder bore clearance: 0.030-0.056 mm (0.0012-0.0022 in)
Piston-to-cylinder bore clearance — service limit: 0.081 mm (0.031 in) max.
Piston ring end gap — compression (top and bottom, in gauge): 0.25-0.50 mm (0.01-0.02 in)
Piston ring end gap — oil ring (steel rail, in gauge): 0.25-1.25 mm (0.010-0.049 in)
Piston ring groove width — compression (top and bottom): 1.530-1.555 mm (0.0602-0.0612 in)
Piston ring groove width — oil: 4.030-4.055 mm (0.1587-0.1596 in)
Piston ring width — compression (top and bottom): 1.460-1.490 mm (0.0575-0.0587 in)
Piston ring width — oil ring Side seal—snug fit
Piston ring width — service limit Side clearance: 0.015 mm (0.0006 in) max.
Piston pin bore diameter Service piston grade required
Piston pin bore diameter — red: 89.009-89.035 mm (3.5043-3.5053 in)
Piston pin bore diameter — blue: 89.035-89.060 mm (3.5053-3.5063 in)
Piston pin bore diameter — yellow: 89.060-89.086 mm (3.5063-3.5073 in)
Piston pin diameter: 23.162-23.175 mm (0.9119-0.9124 in)
Piston pin length: 57.12-57.88 mm (2.248-2.278 in)
Connecting rod pin bore diameter: 23.105-23.145 mm (0.9096-0.9112 in)
Connecting rod length (center-to-center): 140.46-140.54 mm (5.530-5.533 in)
Connecting rod maximum allowed bend: 0.04 per 25 mm (0.0016 per in)
Connecting rod maximum allowed twist: 0.075 per 25 mm (0.003 per in)
Connecting rod bearing bore diameter: 57.15-57.17 mm (2.250-2.251 in)
Connecting rod bearing-to-crankshaft clearance — desired: 0.025-0.035 mm (0.001-0.0014 in)
Connecting rod bearing-to-crankshaft clearance — allowable: 0.020-0.066 mm (0.00086-0.0027 in)
Connecting rod side clearance (assembled to crank) — standard: 0.15-0.35 mm (0.006-0.014 in)
Connecting rod side clearance (assembled to crank) — service limit: 0.36 mm (0.014 in) max.