Generation 3 - 3.0L (4V) "Duratec" Specifications

From Taurus Car Club Maintenance and Modification Wiki

Engine — 3.0L (4V)

GENERAL SPECIFICATIONS Displacement · 3.0L (4V) (182 CID) Number of Cylinders · 6 Bore and Stroke · 89.0 x 79.5 (3.5 x 3.13 inch) Firing Order · 1-4-2-5-3-6 Oil Pressure (Minimum at 1,500 rpm with engine warmed up after 10 minutes of idling.) · 76 kPa (11 psi) Spark Plug · AWSF-32F (F43E-12405-EA) Gap=1.30-1.40 (.052-.056 inch)

CYLINDER HEAD AND VALVE TRAINa Combustion Chamber Volume · 52cc (3.17 CI)

Valve Seats · Width-Intake · 1.1-1.4 mm (0.043-0.055 inch)

· Width-Exhaust · 1.4-1.7 mm (0.055-0.066 inch)

· Angle · 44.75 degrees

· Runout (T.I.R.) Max · 0.04 mm (0.001 inch)

Valve Arrangements (Front-to-Rear)b · LH Intake · S-P-S-P-S-P

· LH Exhaust · E-E-E-E-E-E

· RH Intake · P-S-P-S-P-S

· RH Exhaust · E-E-E-E-E-E

Valve Stem to Guide Clearance · Intake · 0.020-0.069 mm (0.0007-0.027 inch)

· Exhaust · 0.045-0.094 mm (0.0017-0.037 inch)

Valve Head Diameter · Intake · 35 mm (1.38 inch)

· Exhaust · 30 mm (1.18 inch)

· Gauge Diameters · 31 and 24.5 mm (1.22 and 0.96 inch)

Valve Face Runout Limit · 0.05 mm (0.001 inch)

Valve Face Angle · 45.5 degrees

Valve Stem Diameter (Std) · Intake · 5.975-5.995 mm (0.2350-0.2358 inch)

· Exhaust · 5.950-5.970 mm (0.2343-0.2350 inch)

Valve Springs Compression Pressure (N @ Spec. Length) · Intake · 680 N @ 30.19 mm (153 lbs @ 1.18 inch)

· Exhaust · 680 N @ 30.19 mm (153 lbs @ 1.18 inch)

Free Length (Approximate) · Intake · 46.8 mm (1.84 inch)

· Exhaust · 46.8 mm (1.84 inch)

Installed Pressure (N @ Spec. Length) · Intake · 228 N @ 39.99 mm (51 lbs @ 1.57 inch)

· Exhaust · 228 N @ 39.99 mm (51 lbs @ 1.57 inch)

Service Limit · 10% Pressure Loss @ 30.09

Out of Square Limit · 1%

Rocker Arm Ratio · 1.8:1

Hydraulic Valve Tappet · Diameter (Std) · 16-15.988 mm (0.6290-0.6294 inch)

· Clearance to Bore · 0.018-0.069 mm (0.0007-0.0027 inch)

· Service Limit · 0.016 mm (0.0006 inch)

· Hydraulic Leakdown Ratec · 5-25 seconds

· Collapsed Valve Tappet Gap—Desired · 0.50-1.11 mm (0.019-0.043 inch)

CAMSHAFT Lobe Lift · Intake (Primary) · 4.79 mm (0.188 inch)

· Intake (Secondary) · 4.79 mm (0.188 inch)

· Exhaust · 4.79 mm (0.188 inch)

· Allowable Lobe Lift Loss · 0 mm (0.0 inch)

Theoretical Valve Lift @ Zero Lash · Intake (Primary) · 9.80 mm (0.388 inch)

· Intake (Secondary) · 9.80 mm (0.388 inch)

· Exhaust · 9.80 mm (0.388 inch)

End Play · Standard · 0.025-0.165 mm (0.001-0.0064 inch)

· Service Limit · 0.190 mm (0.00748 inch)

Journal to Bearing Clearance · Standard · 0.025-0.076 mm (0.001-0.0029 inch)

· Service Limit · 0.121 mm (0.0047 inch)

Journal Diameter (All) · 26.962-26.936 mm (1.061-1.060 inch)

Bearing Inside Diameter (All) · 27.012-26.987 mm (1.063-1.062 inch)

CYLINDER BLOCK Head Gasket Surface · a

Head Gasket Thickness · 1.0 mm (.40 inch)

Head Gasket Surface Finish · 1.5 mm RA Maximum (Microns)

Main Bearing Bore Diameter · 67.998-68.022 mm (2.677-2.6780 inch)

Cylinder Bore · Diameter · d

· Surface Finish (RMS) · 0.2-0.6 microns

· Out-of-Round Limit · 0.015 mm (.0005 inch)

· Out-of-Round Service Limit · 0.020 mm (.0007 inch)

· Taper Service Limit · 0.020 mm (0.008 inch)

CRANKSHAFT Main Bearing Journal Diameter · 62.968-62.992 mm (2.467-2.479 inch)

Connecting Rod Journal Diameter · 49.970-49.990 mm (1.967-1.968 inch)

Crankshaft Free End Play · 0.110-0.232 mm (.004-.009 inch)

Crankshaft Runout to Rear Face of Cylinder Block · 0.050 mm Max (0.001 inch)

Connecting Rod Bearings · Clearance to Crankshaft · 0.028-0.066 mm 0.001-0.0025 inch)

· Bearing Wall Thickness (Std)e · 1.503 mm (.059 inch)

Main Bearings · Clearance to Crankshaft—Desired · 0.025-0.045 mm (0.0009-0.0001 inch)

· Clearance to Crankshaft—Allowable · 0.025-0.050 mm (0.0009-0.0019 inch)

· Bearing Wall Thickness—Grade 1 · 2.497 mm (0.0983 inch)

· Bearing Wall Thickness—Grade 2e · 2.501 mm (0.0985 inch)

· Bearing Wall Thickness—Grade 3 · 2.505 mm (0.0986 inch)

CONNECTING ROD Piston Pin Bore Diameter · 21.017-21.031 mm (0.827-0.828 inch)

Crankshaft Bearing Bore Diameter · 53.015-53.035 mm (2.0872-2.0879 inch)

Length (Center to Center) · 138.06-138.14 mm (5.435-5.38 inch)

Alignment (Bore to Bore Max Difference)f · Twist · 0.050 mm per 25 (0.0019 per 0.984 inch)

· Band · 0.038 mm per 25 (0.0014 per 0.984 inch)

Side Clearance (Assembled to Crank) · Standard · 0.100-0.30 mm (0.0039-0.0118 inch)

· Service Limit · 0.35 mm Max (0.0137 inch)

PISTONS Diameter g · Coated Grade 1 · 88.990-89.010 mm (3.5035-3.5043 inch)

· Coated Grade 2 · 88.998-89.022 mm (3.5039-3.5048 inch)

· Coated Grade 3 · 89.010-89.030 mm (3.5043-3.5051 inch)

· Uncoated Grade 1 · 88.970-88.980 mm (3.50275-3.50314 inch)

· Uncoated Grade 2 · 88.978-88.992 mm (3.50306-3.50362 inch)

· Uncoated Grade 3 · 89.010-89.030 mm (3.50432-3.50511 inch)

Piston to Bore Clearance · 0.012 to 0.022 mm (0.0005-0.0009 inch)

Pin Bore Diameter · 21.008-21.012 mm (0.8270-0.8272 inch)

Ring Groove Width · Compression (Top) · 1.230-1.245 mm (0.0484-0.0490 inch)

· Compression (Bottom) · 1.530-1.545 mm (0.0602-0.0608 inch)

· Oil Ring · 3.030-3.055 mm (0.1192-0.0120 inch)

Piston Pin · Length · 60.51-60.08 mm (2.382-2.365 inch)

· Diameter · 21.011-21.013 mm (0.0013 inch)

Pin to Piston Clearance · -0.005 to +0.001 mm (0.0001-0.00003 inch)a

Pin to Rod Clearance · Standard · 0.004-0.020 mm (0.0001-0.0007 inch)

· Service Limit · 0.035 mm (0.0013 inch)

Side Clearance · Compression (Top) · 0.040-0.075 mm (0.0015-0.0029 inch)

· Compression (Bottom) · 0.040-0.085 mm (0.0015-0.0033 inch)

· Oil Ring · Snug Fit

· Service Limit · 0.10 mm (0.0039 inch)

Piston Ring Gaph · Compression (Top)—Gauge Diameter · 0.100-0.250 mm (0.0039-0.0098 inch)

· Compression (Bottom)—Gauge Diameter · 0.27-0.42 mm (0.0106-0.0165 inch)

· Oil Ring (Steel Rail)—Gauge Diameter · 0.15-0.65 mm (0.0059-0.0255 inch)

· Compression (Top)—Service Limit · 0.50 mm Max (0.0196 inch)

· Compression (Bottom)—Service Limit · 0.65 mm Max (0.0255 inch)

· Oil Ring (Steel Rail)— Service Limit · 0.90 mm Max (0.0354 inch)

LUBRICATION SYSTEM Oil Capacity i · 5.5 Liter 5.8 Quarts

DRIVE BELT TENSION Note: Drive belts have differing tension specifications depending on whether they are newly installedj or used. Drive Belt Type · 6 Rib Front End Accessory Drive · Automatic Tensioners

a Head Gasket Surface Flatness—Cylinder Block:.025/25 mm x 25 mm.050/150 mm x 150 mm Head Gasket Surface Flatness—Cylinder Head:.025/25 mm x 25 mm .050/150 mm x 150 mm b P = Primary, S = Secondary, E = Exhaust c Time required for plunger to leak down 1.6 mm of travel with 222N force and leak down fluid in tappet. d Cylinder Bore Diameter Grade 1: 89.000-89.010 mm (3.50393-3.504323 inch) Grade 2: 89.010-89.020 mm (3.504323-3.504717 inch) Grade 3: 89.020-82.030 mm (3.504717-3.50511 inch) e 0.250 mm Undersize —Add 0.125 mm to standard or grade 2 thickness. f Pin bore and crank bearing bore must be parallel and in same vertical plane within the specified total difference when measured at the ends of a 203 mm bar, 101.5 mm on each side of rod centerline. g Measured at 50 mm (1.9685 inch) from outer perimeter top of piston to the pin axis. h Specification 82.4 mm (3.2441 inch) diameter gauge. i With filter change. j Newly installed refers to the condition of the "new" drive belt before the engine has made no more than one rotation and before the drive belt has had a chance to stretch or seat into the pulley grooves.