LEMON Manuals: Even more car manuals for everyone
Home >> Chrysler >> 2009 >> 300 LX >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> 2.7L Engine (Service Information) >> Specifications >> 2.7L Engine

2.7L Engine

GENERAL SPECIFICATIONS

DESCRIPTION  SPECIFICATION 
Type 60° DOHC V-6 24-Valve
Compression Ratio 9.67:1
Lead Cylinder #1 Right Bank
Firing Order 1-2-3-4-5-6
- Metric  Standard 
Displacement 2.7 Liters 167 Cubic Inches
Bore AND Stroke 86.0 x 78.5 mm 3.386 in. x 3.091 in.
CYLINDER BLOCK

Description  Specification 
Metric  Standard 
Cylinder Bore Diameter 86.0 mm ±0.0076 3.3859 in. ±0.0003
Out of Round (Max.) 0.076 mm 0.003 in.
Taper (Max.) 0.051 mm 0.002 in.
PISTONS

Description  Specification 
Metric  Standard 
Material Aluminum Alloy
Piston Diameter 85.983 mm ±0.019 3.3851 in. ±0.0017
Clearance at Size Location - 0.0096 to +0.0436 mm - 0.0003 to +0.0016 in.
Piston Weight 316-326 grams 11.1466-11.4994 oz.
Piston Ring Groove Diameter-No. 1 77.8-78 mm 3.063-3.070 in.
Piston Ring Groove Diameter-No. 2 75.9-76.1 mm 2.988-2.996 in.
Piston Ring Groove Diameter-No. 3 76.5-76.7 mm 3.011-3.019 in.
PISTON PINS

Description  Specification 
Metric  Standard 
Type Full Floating
Pin Diameter 21.997-22.000 mm 0.8661-0.8662 in.
Clearance in Piston 0.005-0.013 mm 0.0002-0.0005 in.
Clearance in Rod 0.007-0.018 mm 0.0003-0.0008 in.
PISTON RINGS

Description  Specification 
Metric  Standard 
Ring Gap-Top Compression Ring 0.20-0.36 mm 0.008-0.014 in.
Ring Gap-2nd Compression Ring 0.37-0.63 mm 0.0146-0.0249 in.
Ring Gap-Oil Control (Steel Rails) 0.25-0.76 mm 0.010-0.030 in.
PISTON RING SIDE CLEARANCE

Description  Specification 
Metric  Standard 
Compression Ring-Top 0.035-0.083 mm 0.0013-0.0032 in.
Compression Ring-Second 0.040-0.080 mm 0.0016-0.0031 in.
Oil Ring (Steel Rails) 0.058-0.204 mm 0.0022-0.0080 in.
PISTON RING WIDTH

Description  Specification 
Metric  Standard 
Compression Rings-Top and Second 1.47-1.49 mm 0.0579-0.0587 in.
Oil Ring (Steel Rails 0.445-0.470 mm 0.0176-0.0186 in.
CONNECTING RODS

Description  Specification 
Metric  Standard 
Side Clearance 0.13-0.38 mm 0.0052-0.015 in.
Side Clearance (Max.) 0.4318 mm 0.017 in.
Piston Pin Bore Diameter 22.007-22.015 mm 0.8665-0.8668 in.
Bearing Bore Out of Round (Max.) 0.004 mm 0.0002 in.
Total Weight (Less Bearing) 529.9 ±7 grams 18.6917 ±0.247 oz.
CRANKSHAFT MAIN BEARING JOURNALS

Description  Specification 
Metric  Standard 
Diameter 63.49-63.51 mm 2.4997-2.5004 in.
Bearing Clearance 0.032-0.056 mm 0.0012-0.0022 in.
Bearing Clearance (Max) (Wear Limit) 0.070 mm 0.0028 in.
Out of Round (Max) 0.008 mm 0.0003 in.
Diametrical Taper (Max) 0.010 mm 0.0004 in.
End Play 0.048-0.260 mm 0.002-0.010 in.
End Play (Max) 0.37 mm 0.015 in.
CONNECTING ROD JOURNALS

Description  Specification 
Metric  Standard 
Diameter 53.51-53.49 mm 2.1067-2.106 in.
Bearing Clearance 0.030-0.065 mm 0.0012-0.0026 in.
Bearing Clearance (Wear Limit) 0.075 mm 0.0030 in.
Out of Round (Max) 0.008 mm 0.0003 in.
Diametrical Taper (Max) 0.010 mm 0.0004 in.
CAMSHAFT

Description  Specification 
- Metric  Standard 
Bore Diameter 24.050-24.071 mm 0.9469-0.09476 in.
Bearing Journal Diameter 24.000-23.981 mm 0.9449-0.9441 in.
Bearing Clearance 0.05-0.09 mm 0.0020-0.0035 in.
Bearing Clearance (Max.) 0.10 mm 0.004 in.
End Play 0.13-0.28 mm 0.0051-0.0110 in.
VALVE TIMING-INTAKE VALVES

Description  Specification 
Opens (ATDC) 2°
Closes (ABDC) 44°
Duration 222°
VALVE TIMING-EXHAUST VALVES

Description  Specification 
Opens (BBDC) 36°
Closes (ATDC) 4°
Duration 220°
Valve Overlap 2°
CYLINDER HEAD

Description  Specification 
metric  Standard 
Gasket Thickness (Compressed) 1.50 mm ±0.05 0.0591 in. ±0.002 in.
Valve Seat Angle 45°-45.5°
Valve Seat Runout (Max.) 0.05 mm 0.002 in.
Intake Valve Seat Width 1.00-1.5 mm 0.0394-0.0591 in.
Exhaust Valve Seat Width 1.25-1.75 mm 0.0492-0.0689 in.
Guide Bore Diameter (Std.) 5.975-6.00 mm 0.2353-0.2363 in.
Valve Guide Height*-Intake AND Exhaust 13.25-13.75 mm 0.5217-0.5414 in.
*Measured from cylinder head surface to top of guide
VALVES

Description  Specification 
Metric  Standard 
Face Angle 44.5°-45.5°
Head Diameter-Intake 33.67-33.93 1.3256-1.3358 in.
Head Diameter-Exhaust 27.67-27.93 mm 1.0894-1.1000 in.
Length-Intake (Overall) 107.89-108.39 mm 4.2476-4.2673 in.
Length-Exhaust (Overall) 105.88-106.38 mm 4.1685-4.1882 in.
Stem Diameter-Intake 5.934-5.952 mm 0.2337-0.2344 in.
Stem Diameter-Exhaust 5.906-5.924 mm 0.2326-0.2333 in.
Stem-to-Guide Clearance-Intake (New) 0.023-0.066 mm 0.0009-0.0026 in.
Stem-to-Guide Clearance-Exhaust (New) 0.051-0.094 mm 0.002-0.0037 in.
Stem-to-Guide Clearance-Intake (Max., Rocking Method) 0.29 mm 0.0114 in.
Stem-to-Guide Clearance-Exhaust (Max., Rocking Method) 0.370 mm 0.0146 in.
Valve Lift-Intake (Zero Lash) 9.0 mm 0.3543 in.
Valve Lift-Exhaust (Zero Lash) 8.0 mm 0.3150 in.
Valve Stem Tip Height-Intake 47.125 ±0.711 mm 1.8550 ±0.028 in.
Valve Stem Tip Height-Exhaust 47.187 ±0.65 mm 1.858 ±0.026 in.
VALVE SPRING

Description  Specification 
- Metric  Standard 
Free Length-Intake AND Exhaust (Approx.) 45.63 mm 1.7965 in.
Spring Force-Intake AND Exhaust (Valve Closed) 249-284 N @ 38.0 mm 56.0-64.0 lbs. @ 1.4961 in.
Spring Force-Intake (Valve Open) 658-721 N @ 29.0 mm 147.9-162.1 lbs. @ 1.1417 in.
Spring Force-Exhaust (Valve Open) 614-671 N @ 30.0 mm 138.0-150.8 lbs. @ 1.1811 in.
Number of Coils-Intake AND Exhaust 7.35
Wire Diameter-Intake AND Exhaust 3.861 mm 0.1520 in.
Installed Height-Intake AND Exhaust (Spring seat to bottom of retainer) 38.0 mm 1.4961 in.
OIL PUMP

Description  Specification 
- Metric  Standard 
Clearance Over Rotors (Max.) 0.077 mm 0.003 in.
Cover-Out-of-Flat (Max.) 0.025 mm 0.001 in.
Inner AND Outer Rotor Thickness 9.955-9.980 mm 0.3919-0.3929 in.
Outer Rotor Clearance (Max.) 0.39 mm 0.015 in.
Outer Rotor Diameter (Min.) 89.175 mm 3.5109 in.
Tip Clearance Between Rotors (Max.) 0.20 mm 0.008 in.
OIL PRESSURE

Description  Specification 
Metric  Standard 
(NOTE: At Normal Operating Temperatures)
Pressure @ Curb Idle Speed* 34.7 kPa Min. 5 psi Min.
Pressure @ 3000 RPM 300-724 kPa 45-105 psi
*CAUTION: If oil pressure is zero at idle, DO NOT run engine at 3000 RPM.
scientia non olet · About LEMON Manuals