Section 82 (Engine - 3.0L ECOBOOST): Specifications

WARNING: This page is about a different car, the 2024 Lincoln Aviator. However, it is still accessible from the selected car via links, so may be relevant.

Engine

Item	Specification
Displacement	2.956L (4V) (164 CID)
No. of cylinders	6
Bore/stroke	85.4/86 mm (3.362/3.386 in)
Firing order	1-4-2-5-3-6
Spark plug	12405
Spark plug gap	0.028-0.031 in (0.7-0.8 mm)
Compression ratio	9.5:1
Engine weight	409 Lb (189 Kg)

Engine Oil

Viscosity	Specification
SAE 5W-30		Material : Engine Oil - SAE 5W-30 - Synthetic Blend (WSS-M2C961-A1)
Alternate oil: SAE 0W-30		Material : Engine Oil - SAE 0W-30 (WSS-M2C963-A1)
Europe Only: SAE 0W-30		Material : (WSS-M2C950-A)

Engine Oil Capacity

Item	Specification
Service fill including oil filter	5.68 L

Oil Pressure

Item	Specification
Oil pressure @ 1, 500 rpm with engine oil temperature between 50-80 deg.C	110-170 kPa

Cylinder Head and Valve Train

Item	Specification
Cylinder head gasket surface flatness	Flat within 0.150 mm (0.005 in) overall 0.050 mm (0.001 in) per 150 mm (5.905 in) x 150 mm (5.905 in) 0.025 mm (0.0009 in) per 25 mm (0.98 in) x 25 mm (0.98 in)
Valve guide bore inner diameter	5.473-5.503 mm
Valve stem diameter - intake	5.41-5.45 mm
Valve stem diameter - exhaust	5.39-5.43 mm
Valve stem-to-guide clearance - intake	0.023-0.093 mm
Valve stem-to-guide clearance - exhaust	0.043-0.113 mm
Valve head diameter - intake	32.38-32.62 mm
Valve head diameter - exhaust	28.18-28.42 mm
Valve face runout	0-0.05 mm
Valve face angle	45.5 -- 46.0 degrees
Valve seat runout	0-0.02 mm
Valve seat angle	44.5 -- 45.5 degrees
Valve spring free length (approx.)	53.45 mm
Valve spring compression pressure (N @ spec. length)	633 -- 693 N @ 27.0 mm
Valve spring installed height -- Exhaust	36 mm
Valve spring installed height -- Intake	37 mm
Valve spring installed height pressure (N @ spec. length) -- Exhaust	379 -- 415 N @ 36 mm
Valve spring installed height pressure (N @ spec. length) -- Intake	350 -- 386 N @ 37 mm
Valve spring installed pressure -- service limit -- Exhaust	5 % force loss @ 36 mm
Valve spring installed pressure -- service limit -- Intake	5 % force loss @ 37 mm

Hydraulic Lash Adjuster

Item	Specification
Diameter -- intake	11.989-12 mm
Diameter -- exhaust	11.989-12 mm
Clearance-to-bore	0.01-0.051 mm
Collapsed lash adjuster gap	0.35-0.85 mm

Camshaft

Item	Specification
Theoretical valve lift (intake) @ 0 lash	10 mm
Theoretical valve lift (exhaust) @ 0 lash	9 mm
Lobe lift - intake	5.25 mm
Lobe lift - exhaust	4.75 mm
Camshaft journal bore inside diameter -- 1st journal	0.027-0.072 mm
Camshaft journal bore inside diameter -- intermediate journals	0.027-0.072 mm
Camshaft bearing outside diameter -- 1st journal	34.96-34.98 mm
Camshaft bearing outside diameter -- intermediate journals	28.607-28.633 mm
End play	0.025-0.15 mm

Cylinder Block

Item	Specification
Cylinder bore diameter	85.4-85.42 mm
Cylinder bore roundness	0.01 mm
Cylinder bore taper	0.013 mm
Block main bore roundness	0.007 mm
Main bearing bore inside diameter	72.402-72.422 mm
Head gasket surface flatness	Flat within 0.150 mm (0.005 in) overall 0.050 mm (0.001 in) per 150 mm (5.905 in) x 150 mm (5.905 in) 0.025 mm (0.0009 in) per 25 mm (0.98 in) x 25 mm (0.98 in)

Crankshaft

Item	Specification
Main bearing journal diameter	67.483-67.503 mm
Main bearing journal-to-main bearing clearance	0.05-0.062 mm
Connecting rod journal diameter	55.973-55.993 mm
Crankshaft end play	0.051-0.291 mm

Piston and Connecting Rod

Item	Specification
Piston diameter - single grade	85.346-85.36 mm
Piston-to-cylinder bore clearance	0.04-0.072 mm
Piston ring end gap - compression (top, gauge diameter)	0.23-0.33 mm
Piston ring end gap - compression (bottom, gauge diameter)	0.4-0.6 mm
Piston ring end gap -- oil ring (steel rail, gauge diameter)	0.2-0.5 mm
Piston ring groove width - compression (top)	1.23-1.25 mm
Piston ring groove width -- compression (bottom)	1.02-1.04 mm
Piston ring groove width - oil ring	2.03-2.05 mm
Piston ring width - upper compression ring	1.17-1.19 mm
Piston ring width - lower compression ring	0.97-0.99 mm
Piston ring-to-groove clearance (upper and lower compression rings)	0.04-0.08 mm
Piston pin bore diameter	22.004-22.009 mm
Piston pin diameter	21.997-22 mm
Piston pin length	51.25-51.55 mm
Piston pin-to-piston fit	0.004-0.012 mm
Piston-to-connecting rod clearance	3 mm
Connecting rod-to-pin clearance - standard	0.017-0.03 mm
Connecting rod pin bore diameter	22.017-22.017 mm
Connecting rod length (center-to-center)	143.96-144.04 mm
Connecting rod maximum allowed bend	0.02 mm
Connecting rod maximum allowed twist	0.04 mm
Connecting rod bearing bore diameter	59.428-59.442 mm
Connecting rod bearing-to-crankshaft clearance	0.042-0.088 mm
Connecting rod side clearance (assembled to crank) - standard	0.125-0.375 mm
Connecting rod side clearance (assembled to crank) - service limit	0.125-0.375 mm

Lubricants, Fluids, Sealers and Adhesives

Item	Specification
Primer, front cover, oil pan	Material :
Silicone grease	Material : (ESA-M1C200-A) (ESE-M1C171-A)
Global:
Sealant, oil pan to cylinder block	Material : silicone sealant (WSE-M4G323-A6)
Sealant, vacuum pump to cylinder block
Sealant, front cover to cylinder block
Sealant, crankshaft rear seal
Sealant, cylinder head
Sealant, valve cover RH/RH
Europe:
Sealant, oil pan to cylinder block	Material : (WSS-M4G323-A10)
Sealant, vacuum pump to cylinder block
Sealant, front cover to cylinder block
Sealant, crankshaft rear seal
Sealant, cylinder head
Sealant, valve cover RH/RH

Materials

Item	Specification
Cleaning ends of turbocharger oil and coolant tubes	Material : Brake Cleaner