Honda J engine

The J-series is Honda's fourth production V6 engine family introduced in 1996, after the C-series, which consisted of three dissimilar versions. The J-series engine was designed in the United States by Honda engineers. It is built at Honda's Anna, Ohio, and Lincoln, Alabama, engine plants.

Honda J engine
Overview
ManufacturerHonda Motor Manufacturing
Production1996–
Layout
ConfigurationNaturally aspirated 60° V6
Displacement
  • 2.5 L; 152.3 cu in (2,495 cc)
  • 3.0 L; 182.9 cu in (2,997 cc)
  • 3.2 L; 195.9 cu in (3,210 cc)
  • 3.5 L; 211.8 cu in (3,471 cc)
  • 3.7 L; 223.6 cu in (3,664 cc)
Cylinder bore
  • 86 mm (3.39 in)
  • 89 mm (3.5 in)
  • 90 mm (3.54 in)
Piston stroke
  • 71.6 mm (2.82 in)
  • 86 mm (3.39 in)
  • 93 mm (3.66 in)
  • 96 mm (3.78 in)
Block materialDie-cast aluminum
Head materialAluminum
ValvetrainSOHC 4-valve with VTEC
Compression ratio10.0:1, 10.5:1, 11.0:1, 11.2:1, 11.5:1
RPM range
Redline6,900
Combustion
Fuel system
ManagementVCM
Fuel typeGasoline
Cooling systemWater-cooled
Output
Power output200–310 hp (149–231 kW)
Torque output177–275 lb⋅ft (240–373 N⋅m)
Dimensions
Dry weight250–360 lb (110–160 kg)
Emissions
Emissions control technologyCatalytic converter (some versions)
Chronology
PredecessorHonda C engine

It is a 60° V6 – Honda's existing C-series were 90° engines. The J-series was designed for transverse mounting. It has a shorter bore spacing (98 mm (3.86 in)), shorter connecting rods and a special smaller crankshaft than the C-series to reduce its size. All J-series engines are gasoline-powered SOHC 4-valve designs with VTEC variable valve timing.

One unique feature of some J-family engine models is Honda's Variable Cylinder Management (VCM) system. The system uses VCM to turn off one bank of cylinders under light loads, turning the V6 into a straight-3. Some versions were able to turn off one bank of cylinders or one cylinder on opposing banks, allowing for three-cylinder use under light loads and four-cylinder use under medium loads.

J25A

The J25A was used only in the Japanese domestic Inspire/Saber models. The J25A displaced 2.5 L; 152.3 cu in (2,495 cc). Its bore and stroke was 86 mm × 71.6 mm (3.39 in × 2.82 in). The J25A used a 10.5:1 compression ratio and was a SOHC VTEC design. Output was 200 hp (149 kW) at 6200 rpm and 24.5 kg⋅m (240 N⋅m; 177 lb⋅ft) of torque at 4600 rpm. It had a variable intake manifold to optimize torque output across varying engine speeds and engine response.[1]

J25A

J30A

The J30A displaces 2,997 cc (3.0 L; 182.9 cu in) and is a SOHC VTEC design. Its bore and stroke is 86 mm × 86 mm (3.39 in × 3.39 in). Output for the lightweight (Actual complete running engine including flywheel, less starter is 152 kg)250 lb (110 kg) J30A1 was 210 hp (157 kW) at 5500 rpm and 200 lb⋅ft (271 N⋅m) of torque at 4800 rpm. The J30A4 pushed output to 242 hp (180 kW) and 212 lb⋅ft (287 N⋅m) using a three-way VTEC system, a higher (10.0:1) compression ratio and a novel exhaust manifold cast as one piece with the cylinder head. It weighs nearly 20 lb (9.1 kg) less and is an inch shorter than J30A1. This version was on the Ward's 10 Best Engines list for 2003 and 2004. The IMA hybrid version was on the list for 2005. In 2006 Honda created the J30A5 to mark the 30th anniversary of the Accord. It boosted output to 244 hp (182 kW) (SAE Net 08/04) and 211 lb⋅ft (286 N⋅m) (SAE Net 08/04) of torque. According to Honda, horsepower gains were achieved with improvements to the airflow of the intake and exhaust system.

J30A1

J30A3

J30A4

J30A5

J30Y1

JNA1

J32

The J32A displaces 3,210 cc (3.2 L; 195.9 cu in) and is a SOHC VTEC design. Its bore and stroke is 89 mm × 86 mm (3.50 in × 3.39 in). Output was 225 hp (168 kW) at 5600 rpm and 217 lb⋅ft (294 N⋅m) at 4700 rpm for the J32A1, with the J32A2 raising output to 260 hp (194 kW) at 6200 rpm and 232 lb⋅ft (315 N⋅m) at 3500-5500 rpm. A more aggressive camshaft, more free flowing intake/exhaust, and a 2-stage intake manifold produced a 33.55 hp (25.02 kW) increase over the J32A1. The J32A3's output in the 2004/2005 TL is 270 hp (201 kW). SAE changed the way they tested engine hp for the 2006-2008 TL is 258 hp (192 kW). The J32A3 includes a one-piece exhaust manifold cast with the cylinder head, first introduced on the J30A4.

J32A1

J32A2

J32A3
  • MY 2004-2008 Acura TL[8]
  • 3.2-liter SOHC V-6 aluminum alloy engine
  • (MY 2004-2005) 270 hp (201 kW) at 6200 rpm and 238 lb⋅ft (323 N⋅m) of torque at 5000 rpm
  • (MY 2006-2008) 258 hp (192 kW) at 6200 rpm and 233 lb⋅ft (316 N⋅m) of torque at 5000 rpm
  • Variable Valve Timing and Lift Electronic Control (VTEC)
  • Dual-stage induction system
  • Cold-air intake system
  • Computer-controlled Programmed Fuel Injection (PGM-FI)
  • Direct ignition system
  • Unique exhaust manifolds that are cast directly into the head
  • High flow close-coupled catalytic converters
  • VTEC engagement: 4,700 rpm

J35

J35A

The J35A is a SOHC VTEC design. Its weight is 360 lb (163 kg) running.

J35A1
  • 1998-2001 Honda Odyssey[9]
  • Displacement: 3.5 L; 211.8 cu in (3,471 cc)
  • Bore and stroke: 89 mm × 93 mm (3.50 in × 3.66 in)
  • Power: Premium - 210 hp (157 kW) Regular -205 hp (153 kW)
  • Torque: Premium - 229 lb⋅ft (310 N⋅m) Regular - 217 lb⋅ft (294 N⋅m)

J35A3
  • 2001-2002 Acura MDX[10]
  • Displacement: 3.5 L; 211.8 cu in (3,471 cc)
  • Bore and stroke: 89 mm × 93 mm (3.50 in × 3.66 in)
  • Power: 240 hp (179 kW) at 5800 rpm
  • Torque: 242 lb⋅ft (328 N⋅m) at 4500 rpm

J35A4
  • 2002-2004 Honda Odyssey[11]
  • 2003-2004 Honda Pilot[12]
  • Displacement: 3.5 L; 211.8 cu in (3,471 cc)
  • Bore and stroke: 89 mm × 93 mm (3.50 in × 3.66 in)
  • Power: 240 hp (179 kW) at 5400 rpm
  • Torque: 242 lb⋅ft (328 N⋅m) at 4500 rpm
  • Compression: 10.0:1
  • Valve Train: 24-Valve SOHC VTEC
  • Fuel control: Multi-point fuel injection

J35A5
  • 2003-2006 Acura MDX[13]
  • Displacement: 3.5 L; 211.8 cu in (3,471 cc)
  • Bore and stroke: 89 mm × 93 mm (3.50 in × 3.66 in)
  • Power: 265 hp (198 kW) at 5800 rpm
  • Torque: 250 lb⋅ft (339 N⋅m) at 3500 rpm

J35A6
  • 2005-2010 Honda Odyssey Van, LX, EX
  • 2007+ (With revised bellhousing) Honda Odyssey
  • 2005 Honda Pilot
  • Displacement: 3.5 L; 211.8 cu in (3,471 cc)
  • Bore and stroke: 89 mm × 93 mm (3.50 in × 3.66 in)
  • Power: 255 hp (190 kW) at 5600 rpm
  • Torque: 250 lb⋅ft (339 N⋅m) at 4500 rpm
  • Compression: 10.0:1
  • Valve Train: 24-Valve SOHC VTEC
  • Fuel control: Multi-Point Fuel Injection

J35A7 - VCM

Variable Cylinder Management Piston Oil Jets

  • 2005-2010 Honda Odyssey EX-L, Touring
  • 2007-2010 REVISED BELLHOUSING to Round Shape Honda Odyssey EX-L, Touring
  • Displacement: 3.5 L; 211.8 cu in (3,471 cc)
  • Bore and stroke: 89 mm × 93 mm (3.50 in × 3.66 in)

J35A8
  • 2004-2008 Honda Legend KB1
  • 2005-2008 Acura RL[14]
  • 2007-2008 Acura TL Type-S[15]
  • Displacement: 3.5 L; 211.8 cu in (3,471 cc)
  • Bore and stroke: 89 mm × 93 mm (3.50 in × 3.66 in)
  • Power: 286 hp (213 kW) at 6200 rpm[16]
  • Torque: 256 lb⋅ft (347 N⋅m) at 5000 rpm[16]
  • Compression: 11.0:1
  • Valve Train: 24-Valve SOHC VTEC
  • On the Ward's 10 Best Engines list for 2005, 2008 and 2009.

J35A9
  • 2006-2008 Honda Ridgeline
  • 2006-2008 Honda Pilot (4WD models)[17]
  • Displacement: 3.5 L; 211.8 cu in (3,471 cc)
  • Bore and stroke: 89 mm × 93 mm (3.50 in × 3.66 in)
  • Power: 247 hp (184 kW) at 5750 rpm
  • Torque: 245 lb⋅ft (332 N⋅m)
  • Fuel control: Multi-point fuel injection; PGM-FI
  • VTEC engagement: 4,400 rpm

J35S1
  • 2004-2007 Saturn Vue also referred to as GM L66
  • Displacement: 3.5 L; 211.8 cu in (3,471 cc)
  • Bore and stroke: 89 mm × 93 mm (3.50 in × 3.66 in)
  • Power: 248 hp (185 kW) at 5800 rpm
  • Torque: 242 lb⋅ft (328 N⋅m) at 4500 rpm
  • Has revised bell housing Honda round style along with revised cylinder heads with single exit port
  • Renamed J35A5 from the 2003-2006 Acura MDX with different cam profiles; uses the h5 awd/fwd automatic transmission (and transfer case if applicable) along with the same wire harness and ECU

J35Z
J35Z2

The J35Z engines use a die-cast aluminum block with cast-iron cylinder sleeves.

J35Z1 - VCM
  • 2006-2008 Honda Pilot (front-wheel drive only)
  • Displacement: 3.5 L; 211.8 cu in (3,471 cc)
  • Bore and stroke: 89 mm × 93 mm (3.50 in × 3.66 in)
  • Compression: 10.5:1
  • Power: 244 hp (182 kW) at 5750 rpm
  • Torque: 240 lb⋅ft (325 N⋅m) at 4500 rpm
  • Valvetrain: 24V SOHC i-VTEC
  • Fuel control: Multi-point fuel injection, PGM-FI

J35Z2 - VCM
  • 2008-2012 Honda Accord (except V6 6MT coupe)
  • 2013-2018 Acura RDX
  • 2007+ Honda Inspire (Japanese market, sold as J35A 280ps)
  • Displacement: 3.5 L; 211.8 cu in (3,471 cc)
  • Bore and stroke: 89 mm × 93 mm (3.50 in × 3.66 in)
  • Compression: 10.5:1
  • Power: 268 hp (200 kW) at 6200 rpm (Acura RDX 278 hp (207 kW) at 6200 rpm)
  • Torque: 254 lb⋅ft (344 N⋅m) at 5000 rpm (Acura RDX 251 lb⋅ft (340 N⋅m) at 5000 rpm)
  • Valvetrain: 24V SOHC VCM
  • Fuel control: Multi-point fuel injection; PGM-FI

J35Z3
  • 2008-2012 Honda Accord 6MT Coupe
  • Displacement: 3.5 L; 211.8 cu in (3,471 cc)
  • Bore and stroke: 89 mm × 93 mm (3.50 in × 3.66 in)
  • Compression: 10.0:1
  • Power: 268 hp (200 kW) at 6200 rpm[18]
  • Torque: 254 lb⋅ft (344 N⋅m) at 5000 rpm
  • Valvetrain: 24v SOHC VTEC
  • Fuel control: Multi-point fuel injection; PGM-FI

J35Z4 - VCM

  • 2009-2015 Honda Pilot
  • Displacement: 3.5 L; 211.8 cu in (3,471 cc)
  • Bore and stroke: 89 mm × 93 mm (3.50 in × 3.66 in)
  • Compression: 10.5:1
  • Power: 250 hp (186 kW) at 5700 rpm
  • Torque: 253 lb⋅ft (343 N⋅m) at 4800 rpm
  • Valvetrain: 24v SOHC i-VTEC
  • Fuel control: Multi-point fuel injection; PGM-FI

J35Z5
  • 2009-2014 Honda Ridgeline
  • Displacement: 3.5 L; 211.8 cu in (3,471 cc)
  • Bore and stroke: 89 mm × 93 mm (3.50 in × 3.66 in)
  • Compression: 10.0:1
  • Power and torque: 250 hp (186 kW) at 5700 rpm; 247 lb⋅ft (335 N⋅m) at 4300 rpm
  • Valvetrain: 24v SOHC VTEC
  • Fuel control: Multi-point fuel injection; PGM-FI

J35Z6
  • 2010-2014 Acura TSX V-6
  • 2009-2014 Acura TL (Non SH-AWD)
  • Displacement: 3.5 L; 211.8 cu in (3,471 cc)
  • Bore and stroke: 89 mm × 93 mm (3.50 in × 3.66 in)
  • Compression: 11.2:1
  • Power and torque: 280 hp (209 kW) at 6200 rpm; 254 lb⋅ft (344 N⋅m) at 5000 rpm
  • Valvetrain: 24v SOHC VTEC
  • Fuel control: Multi-point fuel injection; PGM-FI

J35Z8 - VCM
  • 2011-2017 Honda Odyssey (North America)
  • Displacement: 3.5 L; 211.8 cu in (3,471 cc)
  • Bore and stroke: 89 mm × 93 mm (3.50 in × 3.66 in)
  • Compression: 10.5:1
  • Power and torque: 248 hp (185 kW) at 5700 rpm); 250 lb⋅ft (339 N⋅m) at 4800 rpm
  • Valvetrain: 24v SOHC i-VTEC
  • Fuel control: Multi-point fuel injection; PGM-FI

J35Y1 - VCM
  • 2013-2017 Honda Accord V-6
  • Displacement: 3.5 L; 211.8 cu in (3,471 cc)
  • Bore and stroke: 89 mm × 93 mm (3.50 in × 3.66 in)
  • Compression: 10.5:1
  • Power: 278 hp (207 kW) at 6,200 rpm
  • Torque: 252 lb⋅ft (342 N⋅m) at 4,900 rpm
  • Valvetrain: 24v SOHC VTEC (Traditional VTEC cam profiles on front bank intake valves (cylinder 4,5,6) plus VCM on rear bank (cylinder 1,2,3)
  • Ignition control type: ECU -Coil on Plug
  • Fuel control: Multi-Point Fuel Injection[19]
  • Redline: 6,900 rpm
  • Fuel Cut off: 7,300 rpm
  • VTEC engagement: 5,150 rpm[20]

J35Y2
  • 2013-2017 Honda Accord V-6 6MT (MANUAL ONLY)
  • Displacement: 3.5 L; 211.8 cu in (3,471 cc)
  • Bore and stroke: 89 mm × 93 mm (3.50 in × 3.66 in)
  • Compression: 10.0:1[21]
  • Power: 278 hp (207 kW) at 6,200 rpm
  • Torque: 252 lb⋅ft (342 N⋅m) at 5,300 rpm[21]
  • Valvetrain: 24v SOHC VTEC (Traditional VTEC cam profiles on Intake Valves)
  • VTEC engagement: 4,900 rpm[20]

J35Y4 - VCM
  • 2014+ Acura RLX/Honda Legend
  • Displacement: 3.5 L; 211.8 cu in (3,471 cc)
  • Bore and stroke: 89 mm × 93 mm (3.50 in × 3.66 in)
  • Compression: 11.5:1
  • Power: 310 hp (231 kW) at 6,500 rpm
  • Torque: 272 lb⋅ft (369 N⋅m) at 4,500 rpm
  • Valvetrain: 24v SOHC VTEC (VTEC on intake valves only)
  • Redline: 6,800 rpm
  • Fuel cutoff: 7,200 rpm
  • Induction/Fuel Delivery: Naturally Aspirated - Direct Injection

J35Y5 - VCM
  • 2014-2020 Acura MDX
  • Displacement: 3.5 L; 211.8 cu in (3,471 cc)
  • Bore and stroke: 89 mm × 93 mm (3.50 in × 3.66 in)
  • Compression: 11.5:1
  • Power: 290 hp (216 kW) at 6,200 rpm
  • Torque: 267 lb⋅ft (362 N⋅m) at 4,500 rpm
  • Valvetrain: 24v SOHC VTEC (VTEC on intake valves only)
  • Redline: 6,800 rpm
  • Fuel cutoff: 7,200 rpm
  • Induction/Fuel Delivery: Naturally Aspirated - Direct Injection

J35Y6 VCM
  • 2015-2020 Acura TLX
  • 2016+ Honda Pilot
  • 2017+ Honda Ridgeline
  • 2018+ Honda Odyssey (North America)[22]
  • 2019+ Honda Passport
  • Displacement: 3.5 L; 211.8 cu in (3,471 cc)
  • Bore and stroke: 89 mm × 93 mm (3.50 in × 3.66 in)
  • Compression: 11.5:1
  • Power: Acura TLX: 290 hp (216 kW) at 6,200 rpm
  • Torque: Acura TLX: 267 lb⋅ft (362 N⋅m) at 4,500 rpm
  • Power: Honda Pilot, Ridgeline, Passport, and Odyssey: 280 hp (209 kW) at 6,000 rpm
  • Torque: Honda Pilot, Ridgeline, Passport, and Odyssey: 262 lb⋅ft (355 N⋅m) at 4,700 rpm
  • Valvetrain: 24v SOHC i-VTEC (VTEC on intake valves only)
  • Redline: 6,800 rpm
  • Fuel cutoff: 7,200 rpm
  • Induction/Fuel Delivery: Naturally Aspirated - Direct Injection

J37

The J37 uses a die-cast aluminum block with aluminum cylinder liners. Primarily due to the cylinder liners being made from aluminum instead of cast-iron the engine weighs less than the J35Z engines. The intake manifold is made from a cast magnesium alloy.

J37A1
  • 2007-2013 Acura MDX
  • Revised bellhousing
  • Displacement: 3.7 L; 223.6 cu in (3,664 cc)
  • Bore and stroke: 90 mm × 96 mm (3.54 in × 3.78 in)
  • Compression: 11.0:1 (2007-2009); 11.2:1 (2010-2013)
  • Power; torque: 300 hp (224 kW) at 6000 rpm; 275 lb⋅ft (373 N⋅m) at 5000 rpm (2007-2009)
  • Power; torque: 300 hp (224 kW) at 6300 rpm; 270 lb⋅ft (366 N⋅m) at 4500 rpm (2010-2013)
  • Valvetrain: 24v SOHC VTEC
  • Fuel control: Multi-point fuel injection; PGM-FI

J37A2
  • 2009-2012 Acura RL
  • Displacement: 3.7 L; 223.6 cu in (3,664 cc)
  • Bore and stroke: 90 mm × 96 mm (3.54 in × 3.78 in)
  • Compression: 11.2:1
  • Power; torque: 300 hp (224 kW) at 6300 rpm; 271 lb⋅ft (367 N⋅m) at 5000 rpm
  • Valvetrain: 24v SOHC VTEC (intake and exhaust)
  • Fuel control: Multi-point fuel injection; PGM-FI

J37A4
  • 2009-2014 Acura TL SH-AWD
  • Displacement: 3.7 L; 223.6 cu in (3,664 cc)
  • Bore and stroke: 90 mm × 96 mm (3.54 in × 3.78 in)
  • Compression: 11.2:1
  • Power; torque: 305 hp (227 kW) at 6300 rpm; 273 lb⋅ft (370 N⋅m) at 5000 rpm
  • Valvetrain: 24v SOHC VTEC (intake and exhaust)
  • Fuel control: Multi-point fuel injection; PGM-FI

J37A5
  • 2010-2013 Acura ZDX
  • Displacement: 3.7 L; 223.6 cu in (3,664 cc)
  • Bore and stroke: 90 mm × 96 mm (3.5 in × 3.8 in)
  • Compression: 11.2:1[23]
  • Power; torque: 300 hp (224 kW) at 6300 rpm; 270 lb⋅ft (366 N⋅m) at 4500 rpm
  • Valvetrain: 24v SOHC VTEC (intake and exhaust)
  • Fuel control: Multi-point fuel injection; PGM-FI

See also

References
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  10. Lienert, Dan. "Acura MDX Vs. Volvo XC90". Archived from the original on 2017-09-09.
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  12. "2002 Production-Ready Pilot Steers Course For Honda Lineup". world.honda.com. Archived from the original on 2017-09-09.
  13. "-Tribune from Alexandria, Indiana". October 16, 2002. p. 15. Archived from the original on September 9, 2017.
  14. "Acura RL - Road Test - Reviews". Car and Driver. December 2004. Archived from the original on 2017-09-09.
  15. "Archived copy". Archived from the original on 2017-09-09. Retrieved 2017-09-08.CS1 maint: archived copy as title (link)
  16. "2007 Acura TL - Specifications". Hondanews.com. Archived from the original on 2013-12-02. Retrieved 2012-06-10.
  17. "Honda Pilot Receives New Look and New Technology for 2006". Archived from the original on 2017-09-09.
  18. Gillies, Mark (1 March 2008). "2008 Honda Accord Coupe EX-L V-6". Car and Driver. Retrieved 1 February 2021.
  19. "404". Archived from the original on 2017-11-14.
  20. "2016 Powertrain". news.honda.com. Archived from the original on 2016-12-20. Retrieved 2016-12-06.
  21. "2018 Honda Accord - Redesigned Midsize Sedan". Honda Automobiles. Archived from the original on 2014-01-27.
  22. "All-New 2018 Honda Odyssey Minivan Begins Mass Production in Alabama". Archived from the original on 2017-09-09.
  23. "2010 Acura ZDX - Powertrain". Hondanews.com. Archived from the original on 2012-03-03. Retrieved 2012-01-27.
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